B. Caron

Details der Publikationsliste

Zeitraum

1978 - 2008

Anzahl

296

Co-Autoren

Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)

Aad, The ATLAS Collaboration: G., Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...

A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...

Active stabilization studies at the sub-nanometer level for future linear colliders (2008)

Geffroy, N., Brunetti, L., Bolzon, B., Jérémie, A., Caron, B., Lottin, J.

The next collider which will be able to contribute significantly to the comprehension of matter is a high energy linear collider. The luminosity of this collider will have to be of 1035cm-2s-1, which...

THE ATLAS HIGH LEVEL TRIGGER GROUP ∗ (2008)

S. Armstrong, J. T. Baines, C. P. Bee, M. Biglietti, A. Bogaerts, V. Boisvert, ...

Given the extremely high bunch crossing rate foreseen at the Large Hadron Collider (LHC) and the general-purpose nature of the ATLAS particle physics experiment, after the hardware-based first level...

Vibration stabilization for a cantilever magnet prototype at the subnanometer scale (2008)

Brunetti, L., Bolzon, B., Geffroy, N., Jérémie, A., Badel, A., Caron, B., ...

In the future linear colliders, the size of the beams is in the nanometer range, which requires stabilization of the final magnets before the interaction point. In order to guarantee the desired...

Vibration stabilization for a cantilever magnet prototype at the subnanometer scale (2008)

Brunetti, L., Bolzon, B., Geffroy, N., Jérémie, A., Badel, A., Caron, B., ...

In the future linear colliders, the size of the beams is in the nanometer range, which requires stabilization of the final magnets before the interaction point. In order to guarantee the desired...

Vibration stabilization for a cantilever magnet prototype at the subnanometer scale (2008)

Brunetti, L., Bolzon, B., Geffroy, N., Jérémie, A., Badel, A., Caron, B., ...

In the future linear colliders, the size of the beams is in the nanometer range, which requires stabilization of the final magnets before the interaction point. In order to guarantee the desired...

Active stabilization studies at the sub-nanometer level for future linear colliders (2008)

Geffroy, N., Brunetti, L., Bolzon, B., Jérémie, A., Caron, B., Lottin, J.

The next collider which will be able to contribute significantly to the comprehension of matter is a high energy linear collider. The luminosity of this collider will have to be of 1035cm-2s-1, which...

Active stabilization studies at the sub-nanometer level for future linear colliders (2008)

Geffroy, N., Brunetti, L., Bolzon, B., Jérémie, A., Caron, B., Lottin, J.

The next collider which will be able to contribute significantly to the comprehension of matter is a high energy linear collider. The luminosity of this collider will have to be of 1035cm-2s-1, which...

Study of vibrations and stabilization at the sub-nanometer scale for CLIC final doublets (2008)

Bolzon, B., Brunetti, L., Geffroy, N., Jérémie, A., Caron, B., Lottin, J.

CLIC is one of the current projects of high energy linear colliders. Vertical beam sizes of 1nm at the collision point and fast ground motion of a few nanometres impose an active stabilization of the...

Study of vibrations and stabilization at the sub-nanometer scale for CLIC final doublets (2008)

Bolzon, B., Brunetti, L., Geffroy, N., Jérémie, A., Caron, B., Lottin, J.

CLIC is one of the current projects of high energy linear colliders. Vertical beam sizes of 1nm at the collision point and fast ground motion of a few nanometres impose an active stabilization of the...

Study of vibrations and stabilization at the sub-nanometer scale for CLIC final doublets (2008)

Bolzon, B., Brunetti, L., Geffroy, N., Jérémie, A., Caron, B., Lottin, J.

CLIC is one of the current projects of high energy linear colliders. Vertical beam sizes of 1nm at the collision point and fast ground motion of a few nanometres impose an active stabilization of the...

Active stabilization studies at the sub-nanometer level for future linear colliders (2008)

Geffroy, N., Brunetti, L., Bolzon, B., Jérémie, A., Caron, B., Lottin, J.

The next collider which will be able to contribute significantly to the comprehension of matter is a high energy linear collider. The luminosity of this collider will have to be of 1035cm-2s-1, which...

Study of vibrations and stabilization at the sub-nanometer scale for CLIC final doublets (2008)

Bolzon, B., Brunetti, L., Geffroy, N., Jérémie, A., Caron, B., Lottin, J.

CLIC is one of the current projects of high energy linear colliders. Vertical beam sizes of 1nm at the collision point and fast ground motion of a few nanometres impose an active stabilization of the...

Active stabilization studies at the sub-nanometer level for future linear colliders (2008)

Geffroy, N., Brunetti, L., Bolzon, B., Jérémie, A., Caron, B., Lottin, J.

The next collider which will be able to contribute significantly to the comprehension of matter is a high energy linear collider. The luminosity of this collider will have to be of 1035cm-2s-1, which...

Vibration stabilization for a cantilever magnet prototype at the subnanometer scale (2008)

Brunetti, L., Bolzon, B., Geffroy, N., Jérémie, A., Badel, A., Caron, B., ...

In the future linear colliders, the size of the beams is in the nanometer range, which requires stabilization of the final magnets before the interaction point. In order to guarantee the desired...

Study of vibrations and stabilization at the sub-nanometer scale for CLIC final doublets (2008)

Bolzon, B., Brunetti, L., Geffroy, N., Jérémie, A., Caron, B., Lottin, J.

CLIC is one of the current projects of high energy linear colliders. Vertical beam sizes of 1nm at the collision point and fast ground motion of a few nanometres impose an active stabilization of the...

Active stabilization studies at the sub-nanometer level for future linear colliders (2008)

Geffroy, N., Brunetti, L., Bolzon, B., Jérémie, A., Caron, B., Lottin, J.

The next collider which will be able to contribute significantly to the comprehension of matter is a high energy linear collider. The luminosity of this collider will have to be of 1035cm-2s-1, which...

Vibration stabilization for a cantilever magnet prototype at the subnanometer scale (2008)

Brunetti, L., Bolzon, B., Geffroy, N., Jérémie, A., Badel, A., Caron, B., ...

In the future linear colliders, the size of the beams is in the nanometer range, which requires stabilization of the final magnets before the interaction point. In order to guarantee the desired...

Study of vibrations and stabilization at the sub-nanometer scale for CLIC final doublets (2008)

Bolzon, B., Brunetti, L., Geffroy, N., Jérémie, A., Caron, B., Lottin, J.

CLIC is one of the current projects of high energy linear colliders. Vertical beam sizes of 1nm at the collision point and fast ground motion of a few nanometres impose an active stabilization of the...

Active stabilization studies at the sub-nanometer level for future linear colliders (2008)

Geffroy, N., Brunetti, L., Bolzon, B., Jérémie, A., Caron, B., Lottin, J.

The next collider which will be able to contribute significantly to the comprehension of matter is a high energy linear collider. The luminosity of this collider will have to be of 1035cm-2s-1, which...

Vibration stabilization for a cantilever magnet prototype at the subnanometer scale (2008)

Brunetti, L., Bolzon, B., Geffroy, N., Jérémie, A., Badel, A., Caron, B., ...

In the future linear colliders, the size of the beams is in the nanometer range, which requires stabilization of the final magnets before the interaction point. In order to guarantee the desired...

Remote Online Farms (2007)

Klous, S, Beck, H P, Bee, C, Caron, B, Garitaonandia, H, Hughes Jones, R, ...

The ATLAS collaboration is investigating the possibility to extend its online computing system with Remote Online Farms. These farms, accessed over a wide area network, would assist with the quasi...

Observation of Exclusive Electron-Positron Production in Hadron-Hadron Collisions (2007)

Abulencia, A., Adelman, J., Affolder, T., Akimoto, T., G. Albrow, M., Ambrose, D., ...

We present the first observation of exclusive $e^+e^-$ production in hadron-hadron collisions, using $p\bar{p}$ collision data at \mbox{$\sqrt{s}=1.96$ TeV} taken by the Run II Collider Detector at...

Search for exclusive gamma gamma production in Hadron-Hadron collisions (2007)

Aaltonen, T., Abulencia, A., Adelman, J., Affolder, T., Akimoto, T., Albrow, M. G., ...

We have searched for exclusive gamma gamma production in proton-antiproton collisions at root s = 1.96 TeV, using 532 pb(-1) of integrated luminosity taken by the run II Collider Detector at...

Observation of exclusive electron-positron production in hadron-hadron collisions (2007)

Abulencia, A., Adelman, J., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., ...

We present the first observation of exclusive e(+)e(-) production in hadron-hadron collisions, using p (p) over bar collision data at root s=1.96 TeV taken by the run II Collider Detector at...

Active stabilization of a mechanical structure (2007)

Brunetti, L., Geffroy, N., Bolzon, B., Jérémie, A., Lottin, J., Caron, B., ...

This article [1] refers to a particular stage of our attempt to reach the stabilization of the linear collider final focus quadrupole. All along this final focus, an absolute displacement has to be...

Active stabilization of a mechanical structure (2007)

Brunetti, L., Geffroy, N., Bolzon, B., Jérémie, A., Lottin, J., Caron, B., ...

This article [1] refers to a particular stage of our attempt to reach the stabilization of the linear collider final focus quadrupole. All along this final focus, an absolute displacement has to be...

Active stabilization of a mechanical structure (2007)

Brunetti, L., Geffroy, N., Bolzon, B., Jérémie, A., Lottin, J., Caron, B., ...

This article [1] refers to a particular stage of our attempt to reach the stabilization of the linear collider final focus quadrupole. All along this final focus, an absolute displacement has to be...

Active stabilization of a mechanical structure (2007)

Brunetti, L., Geffroy, N., Bolzon, B., Jérémie, A., Lottin, J., Caron, B., ...

This article [1] refers to a particular stage of our attempt to reach the stabilization of the linear collider final focus quadrupole. All along this final focus, an absolute displacement has to be...

Active stabilization of a mechanical structure (2007)

Brunetti, L., Geffroy, N., Bolzon, B., Jérémie, A., Lottin, J., Caron, B., ...

This article [1] refers to a particular stage of our attempt to reach the stabilization of the linear collider final focus quadrupole. All along this final focus, an absolute displacement has to be...

Active stabilization of a mechanical structure (2007)

Brunetti, L., Geffroy, N., Bolzon, B., Jérémie, A., Lottin, J., Caron, B., ...

This article [1] refers to a particular stage of our attempt to reach the stabilization of the linear collider final focus quadrupole. All along this final focus, an absolute displacement has to be...

Implementation and performance of a tau lepton selection within the ATLAS trigger system at the LHC (2006)

Casado, M P, Dos Anjos, A, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS experiment at the Large Hadron Collider (LHC) has an interaction rate of up to $10^9$ Hz. The trigger must efficiently select interesting events while rejecting the large amount of...

Implementation and Performance of the Seeded Reconstruction for the ATLAS Event Filter Selection Software (2006)

Santamarina, C., Conde-Muino, P., Dos Anjos, A., Armstrong, S., Baines, J. T. M., Bee, C. P., ...

ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...

Precision Electroweak Measurements on the Z Resonance (2006)

Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Precision Electroweak Measurements on the Z Resonance (2006)

Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Implementation and Performance of the Seeded Reconstruction for the ATLAS Event Filter Selection Software (2006)

Santamarina, C., Conde-Muino, P., Dos Anjos, A., Armstrong, S., Baines, J. T. M., Bee, C. P., ...

ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., T. M. Baines, J., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., T. M. Baines, J., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., T. M. Baines, J., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., T. M. Baines, J., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., T. M. Baines, J., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., T. M. Baines, J., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., T. M. Baines, J., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., T. M. Baines, J., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., T. M. Baines, J., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., T. M. Baines, J., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., T. M. Baines, J., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., T. M. Baines, J., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Implementation and Performance of the Seeded Reconstruction for the ATLAS Event Filter Selection Software (2005)

Santamarina-Rios, C, Conde-Muíño, P, Dos Anjos, A, Armstrong, S, Baines, J T M, Bee, C P, ...

ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...

Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC (2005)

Gesualdi-Mello, A, Anjos, A, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center-of-mass energy, whilst...

Measurement of Isolated Prompt Photon Production in Photon-Photon Collisions at $\sqrt{s}_{ee}$=183-209 GeV (2005)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

For the first time at LEP the production of prompt photons is studied in the collisions of quasi-real photons using the OPAL data taken at e+e- centre-of-mass energies between 183 GeV and 209 GeV....

Implementation and Performance of the High Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC (2005)

Schiavi, C, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and Performance of the High Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC (2005)

Schiavi, C, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

A Level-2 trigger algorithm for the identification of muons in the ATLAS Muon Spectrometer (2005)

Di Mattia, A, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS Level-2 trigger provides a software-based event selection after the initial Level-1 hardware trigger. For the muon events, the selection is decomposed in a number of broad steps: first, the...

A Level-2 trigger algorithm for the identification of muons in the ATLAS Muon Spectrometer (2005)

Di Mattia, A, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS Level-2 trigger provides a software-based event selection after the initial Level-1 hardware trigger. For the muon events, the selection is decomposed in a number of broad steps: first, the...

Study of Z Pair Production and Anomalous Couplings in $e^+ e^-$ Collisions at $\sqrt{s}$ between 190 GeV and 209 GeV (2005)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

A study of Z-boson pair production in e+e- annihilation at center-of-mass energies between 190 GeV and 209 GeV is reported. Final states containing only leptons, (l+l-l+l- and l+l-nn), quark and...

Study of Z Pair Production and Anomalous Couplings in $e^+ e^-$ Collisions at $\sqrt{s}$ between 190 GeV and 209 GeV (2005)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

A study of Z-boson pair production in e+e- annihilation at center-of-mass energies between 190 GeV and 209 GeV is reported. Final states containing only leptons, (l+l-l+l- and l+l-nn), quark and...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., T. M. Baines, J., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., T. M. Baines, J., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., T. M. Baines, J., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., T. M. Baines, J., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., T. M. Baines, J., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., T. M. Baines, J., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Portable Gathering System for Monitoring and Online Calibration at ATLAS (2004)

Conde-Muíño, P, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

During the runtime of any experiment, a central monitoring system that detects problems as soon as they appear has an essential role. In a large experiment, like ATLAS, the online data acquisition...

A Step Towards A Computing Grid For The LHC Experiments: ATLAS Data Challenge 1 (2004)

Sturrock, R, Bischof, R, Epp, B, Ghete, V M, Kuhn, D, Mello, A G, ...

The ATLAS Collaboration at CERN is preparing for the data taking and analysis at the LHC that will start in 2007. Therefore, a series of Data Challenges was started in 2002 whose goals are the...

An overview of the ATLAS high-level trigger dataflow and supervision (2004)

T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...

The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

An overview of the ATLAS high-level trigger dataflow and supervision (2004)

T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...

The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

An overview of the ATLAS high-level trigger dataflow and supervision (2004)

T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...

The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

An overview of the ATLAS high-level trigger dataflow and supervision (2004)

T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...

The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

An overview of the ATLAS high-level trigger dataflow and supervision (2004)

T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...

The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

An overview of the ATLAS high-level trigger dataflow and supervision (2004)

T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...

The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....

An Overview of the ATLAS High Level Trigger Dataflow and Supervision (2003)

Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter (EF)....

An Overview of Algorithms for the ATLAS High Level Trigger (2003)

Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, Boisvert, V, ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

Studies for a common selection software environment in ATLAS: from the Level-2 Trigger to the offline reconstruction (2003)

Wiedenmann, W, Armstrong, S R, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The Atlas High Level Trigger's primary function of event selection will be accomplished with a Level-2 trigger farm and an Event Filter farm, both running software components developed in the Atlas...

Search for R-parity violating decays of sfermions at LEP (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

A search for pair-produced scalar fermions under the assumption that R-parity is not conserved has been performed using data collected with the OPAL detector at LEP. The data samples analysed...

Experimental studies of unbiased gluon jets from $e^{+}e^{-}$ annihilations using the jet boost algorithm (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

We present the first experimental results based on the jet boost algorithm, a technique to select unbiased samples of gluon jets in e+e- annihilations, i.e. gluon jets free of biases introduced by...

Study of Z Pair Production and Anomalous Couplings in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ between 190 GeV and 209 GeV (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

A study of Z-boson pair production in e+e- annihilation at center-of-mass energies between 190 GeV and 209 GeV is reported. Final states containing only leptons, (l+l-l+l- and l+l-nn), quark and...

Tests of the Standard Model and Constraints on New Physics from Measurements of Fermion-Pair Production at 189-209 GeV at LEP (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

Cross-section and angular distributions for hadronic and lepton-pair final states in e+e- collisions at centre-of-mass energies between 189 GeV and 209 GeV, measured with the OPAL detector at LEP,...

A Study of $W^{+}W^{-}\gamma$ Events at LEP (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

A study of W+W- events accomanied by hard photon radiation produced in e+e- collisions at LEP is presented. Events consistent with being two on-shell W bosons and an isolated photon are selected from...

Search for Anomalous Production of Di-lepton Events with Missing Transverse Momentum in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 183-209 GeV (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

In total 1317 di-lepton events with significant missing transverse momentum were identified in a total data sample of 680 pb-1 collected at e+e- centre-of-mass energies ranging from 183 GeV to 209...

Search for the Single Production of Doubly-Charged Higgs Bosons and Constraints on their Couplings from Bhabha Scattering (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

A search for single production of doubly-charged Higgs bosons has been performed using 600.7 pb^-1 of e+e- collision data with sqrt(s)=189--209GeV collected by the OPAL detector at LEP. No evidence...

A study of charm production in beauty decays with the OPAL detector at LEP (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

Using an inclusive method, BR(b -> D\bar{D}X) has been measured in hadronic Z^0 decays with the OPAL detector at LEP. The impact parameter significance of tracks opposite tagged b-jets is used to...

Measurement of charged current triple gauge boson couplings using W pairs at LEP (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

Triple gauge boson couplings are measured from W-pair and single photon events recorded by the OPAL detector at LEP at center-of-mass energies between 183 - 209 GeV with a total integrated luminosity...

Measurement of Heavy Quark Forward-Backward Asymmetries and Average B Mixing Using Leptons in Hadronic Z Decays (2003)

Abbiendi, G, Carter, A, De Wolf, E, McPherson, R A, Neal, H, Thomson, M, ...

Hadronic Z0 decays with identified electrons or muons have been used to measure the forward-backward asymmetries of e^+e^- --> Z0 --> bbbar and e^+e^- --> Z0 --> ccbar events. The asymmetries at...

Architecture of the ATLAS High Level Trigger Event Selection Software (2003)

Grothe, M, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) consists of two selection steps: the second level trigger and the event filter. Both will be implemented in software, running on mostly commodity hardware. Both...

Architecture of the ATLAS High Level Trigger Event Selection Software (2003)

Grothe, M, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) consists of two selection steps: the second level trigger and the event filter. Both will be implemented in software, running on mostly commodity hardware. Both...

Tests of models of color reconnection and a search for glueballs using gluon jets with a rapidity gap (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

Gluon jets with a mean energy of 22 GeV and purity of 95% are selected from hadronic Z0 decay events produced in e+e- annihilations. A subsample of these jets is identified which exhibits a large gap...

The Algorithm Steering and Trigger Decision mechanism of the ATLAS High Level Trigger (2003)

Comune, G, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

Given the extremely high output rate foreseen at LHC and the general-purpose nature of ATLAS experiment, an efficient and flexible way to select events in the High Level Trigger is needed. An...

The Algorithm Steering and Trigger Decision mechanism of the ATLAS High Level Trigger (2003)

Comune, G, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

Given the extremely high output rate foreseen at LHC and the general-purpose nature of ATLAS experiment, an efficient and flexible way to select events in the High Level Trigger is needed. An...

Supervision of the ATLAS High Level Trigger System (2003)

Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter. The HLT...

Supervision of the ATLAS High Level Trigger System (2003)

Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter. The HLT...

Measurement of Isolated Prompt Photon Production in Photon-Photon Collisions at $\sqrt{s_{ee}}$=183-209 GeV (2003)

Abbiendi, G, Ainsley, C, Alexander, G, Åkesson, P F, Allison, J, Amaral, P, ...

For the first time at LEP the production of prompt photons is studied in the collisions of quasi-real photons using the OPAL data taken at e+e- centre-of-mass energies between 183 GeV and 209 GeV....

Measurement of Isolated Prompt Photon Production in Photon-Photon Collisions at $\sqrt{s_{ee}}$=183-209 GeV (2003)

Abbiendi, G, Ainsley, C, Alexander, G, Åkesson, P F, Allison, J, Amaral, P, ...

For the first time at LEP the production of prompt photons is studied in the collisions of quasi-real photons using the OPAL data taken at e+e- centre-of-mass energies between 183 GeV and 209 GeV....

Search for pair-produced leptoquarks in $e^{+}e^{-}$ interactions at $\sqrt{s}\simeq$ 189 -209 GeV (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

A search for pair-produced leptoquarks is performed using e+e- collision events collected by the OPAL detector at LEP at centre-of-mass energies between 189 and 209 GeV. The data sample corresponds...

Search for Stable and Long-Lived Massive Charged Particles in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 130-209 GeV (2003)

Abbiendi, G, Ainsley, C, Alexander, G, Allison, J, Amaral, P, Anagnostou, G, ...

A search for stable and long-lived massive particles of electric charge |Q/e|=1 or fractional charges of 2/3, 4/3, and 5/3 is reported using data collected by the OPAL detector at LEP, at...

Test of non-commutative QED in the process $e^{+}e^{-} \to \gamma \gamma$ at LEP (2003)

Abbiendi, G, Ainsley, C, Alexander, G, Allison, J, Amaral, P, Anagnostou, G, ...

Non-communicative QED would lead to deviations from the Standard Model depending on a new energy scale $\Delta_{NC}$ and a unique direction in space defined by two angles $\eta$ and $\xi$. Here in...

Bose-Einstein Correlations of $\pi^{0}$ Pairs from Hadronic $Z^{0}$ Decays (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

We observed Bose-Einstein correlation in pi0 pairs produced in Z0 decays using the data sample collected by the OPAL detector at LEP 1 from 1991 to 1995. Using a static Gaussian picture for the pion...

A Measurement of Semileptonic B Decays to Narrow Orbitally-Excited Charm Mesons (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

The decay chain b -> Bbar -> D^{**0} l nu X, D^{**0} -> D^{*+} pi^-, D^{*+} -> D^0 pi^+, D^0 ->(Kpi or K3pi) is identified in a sample of 3.9 million hadronic Z decays collected with the OPAL...

Di-Jet Production in Photon-Photon colisions at $\sqrt{s_{ee}}$ from 189 to 209 GeV (2003)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

Di-jet producion is studied in collisions of quasi-real photons at e+e- centre- of-mass energies sqrt(s)ee from 189 to 209 GeV at LEP. The data were collected with the OPAL detector. Jets are...

A Measurement of the $\tau^{-}\to \mu^{-}\overline{\nu}_{\mu}\nu_{\tau}$ Branching Ratio (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

The tau -> mu nu nu branching ratio has been measured using data collected from 1990 to 1995 by the OPAL detector at the LEP collider. The resulting value of B(tau -> mu nu nu) = 0.1734 +-...

Charged particle multiplicities in heavy and light quark initiated events above the $Z^0$ peak (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

We have measured the mean charged particle multiplicities separately for bbbar, ccbar and light quark (uubar, ddbar, ssbar) initiated events produced in e+e- annihilations at LEP. The data were...

Multi-Photon Production in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 181 - 209 GeV (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

The process e+e- -> gamma gamma (gamma) is studied using data collected by the OPAL detector at LEP between the years 1997 and 2000. The data set corresponds to an integrated luminosity of 672.3pb-1...

Search for Nearly Mass-Degenerate Charginos and Neutralinos at LEP (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

A search was performed for charginos with masses close to the mass of the lightest neutralino in e+e- collisions at centre-of-mass energies of 189-209 GeV recorded by the OPAL detector at LEP. Events...

Search for the Standard Model Higgs Boson with the OPAL Detector at LEP (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

This paper summarises the search for the Standard Model Higgs boson in e+e- collisions at centre-of-mass energies up to 209 GeV performed by the OPAL Collaboration at LEP. The consistency of the data...

Measurement of the b quark forward-backward asymmetry around the $Z^{0}$ peak using an inclusive tag (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

The b quark forward-backward asymmetry has been measured using hadronic Z0 decays collected by the OPAL experiment at LEP. Z0 -> bbbar decays were selected using a combination of secondary vertex and...

Search for a low mass CP-odd Higgs boson in $e^{+}e^{-}$ collisions with the OPAL detector at LEP2 (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, Amaral, P, ...

We have analysed the data collected by OPAL at centre-of-mass energies between 189 and 209 GeV searching for Higgs boson candidates from the process e/sup +/e/sup -/ to h/sup 0/Z/sup 0/ followed by...

Measurement of the Cross-Section for the Process $\gamma\gamma \to p \overline{p}$ at $\sqrt{s}_{ee}$=183-189 GeV at LEP (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons had been studied using data taken at sqrt(s)_ee=183 GeV and 189 GeV with the OPAL detector at LEP....

Charged Particle Momentum Spectra in $e^+ e^-$ annihilation at $\sqrt{s}$ = 192-209 GeV (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

Charged particle momentum distributions are studied in the reaction e+e- -> hadrons, using data collected with the OPAL detector at centre-of-mass energies from 192 GeV to 209 GeV. The data...

Search for scalar top and scalar bottom quarks at LEP (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

Searches for a scalar top quark and a scalar bottom quark have been performed using a data sample of 438 pb-1 at centre-of-mass energies of sqrt(s) = 192 - 209 GeV collected with the OPAL detector at...

Measurement of Neutral-Current Four-Fermion Production at LEP2 (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

Four-fermion final states qqbar e+e- and qqbar mu+mu- from neutral-current interactions in e+e- collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 183 GeV to 209 GeV....

Inclusive Analysis of the b Quark Fragmentation Function in Z Decays at LEP (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

A study of b quark hadronisation is presented using inclusively reconstructed B hadrons in about four million hadronic Z decays recorded in 1992-2000 with the OPAL detector at LEP. The data are...

Search for associated production of massive states decaying into two photons in $e^{+}e^{-}$ annihilations at $\sqrt{s}$ = 88 - 209 GeV (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

A search is performed for production of short-lived particles in e+e- -> XY, with X -> gamma gamma and Y -> ffbar, for scalar X and scalar or vector Y. Model-independent limits in the range of 25-60...

Search for Charged Excited Leptons in $e^+ e^-$ Collisions at $\sqrt{s}$ = 183-209 GeV (2002)

Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, Anagnostou, G, ...

A search for charged excited leptons decaying into a lepton and photon has been performed using approximately 680 pb-1 of e+e- collision data collected by the OPAL detector at LEP at centre-of-mass...

Decay-mode independent searches for new scalar bosons with the OPAL detector at LEP (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

This paper describes topological searches for neutral scalar bosons S0 produced in association with a Z0 boson via the Bjorken process e+e- -> S0Z0 at centre-of-mass energies of 91 GeV and 183-209...

Measurement of the Charm structure Function $F_{2}^{\gamma},c$ of the Photon at LEP (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Amaral, P, ...

The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at normal e+e- centre-of-mass energies from 183 to 209 GeV. The...

Measurement of the Mass of the W Boson in $e^+ e^-$ collisions using the Fully Leptonic Channel (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

A novel method of determining the mass of the W boson in the W+W- -> lnu lnu channel is presented and applied to 667pb^-1 of data recorded at the center-of- mass energies in the range 183-207 GeV...

Measurement of the Hadronic Photon Structure Function $F_{2}^{\gamma}$ at LEP2 (2002)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

The hadronic structure of the photon F2gamma is measured as a function of Bjorken x and of the photon virtuality Q2 using deep-inelastic scattering data taken by the OPAL detector at LEP at e+e-...

Search for Leptoquarks in Electron-Photon Scattering at $\sqrt{s_{ee}}$ up to 209 GeV at LEP (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

Searches for first generation scalar and vector leptoquarks, and for squarks in R-parity violating SUSY models with the direct decay of the squark into Standard Model particles, have been performed...

Search for Doubly Charged Higgs Bosons with the OPAL detector at LEP (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

A search for pair-produced doubly charged Higgs bosons has been performed using data samples corresponding to an integrated luminosity of about 614 pb-1 collected with the OPAL detector at LEP at...

Particle multiplicity of unbiased gluon jets from $e^+ e^-$ three-jet events (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

The charged particle multiplicities of two- and three-jet events from the reaction e+e- -> Z0 -> hadrons are measured for Z0 decays to light quark (uds) flavors. Using recent theoretical expressions...

Search for Yukawa Production of a Light Neutral Higgs Boson at LEP (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

Within a Two-Higgs-Doublet Model (2HDM) a search for a light Higgs boson in the mass range of 4-12 GeV has been performed in the Yukawa process e+e- -> b bbar A/h -> b bbar tau+tau-, using the data...

Genuine Correlations of Like-Sign Particles in Hadronic $Z^0$ Decays (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

Correlations among hadrons with the same electric charge produced in Z0 decays are studied using the high statistics data collected from 1991 through 1995 with the OPAL detector at LEP. Normalized...

Search for Single Top Quark Production at LEP2 (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

A search for single top quark production via flavour changing neutral currents (FCNC) was performed with data collected by the OPAL detector at the e+e- collider LEP. Approximately 600 pb-1 of data...

Measurement of the Hadronic Cross-Section for the Scattering of Two Virtual Photons at LEP (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

The interaction of virtual photons is investigated using the reaction e+e- -> e+e- hadrons based on data taken by the OPAL experiment at e+e- centre-of-mass energies sqrt(s_ee)=189-209 GeV, for W>5...

Measurement of $Z/\gamma^{*}$ production in Compton scattering of quasi-real photons (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

The process e+ e- -> e+ e- Z/gamma* is studied with the OPAL detector at LEP at a centre of mass energy of sqrt(s) = 189 GeV. The cross-section times the branching ratio of the Z/gamma* decaying into...

Determination of the b Quark Mass at the Z Mass Scale (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

In hadronic decays of Z bosons recorded with the OPAL detector at LEP, events containing b quarks were selected using the long lifetime of b flavoured hadrons. Comparing the 3-jet rate in b events...

Search for Lepton Flavour Violation in $e^+e^-$ Collisions at $\sqrt{s}$ = 189 - 209 GeV (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

We search for lepton flavour violating events (e mu, e tau and mu tau) that could be directly produced in e+e- annihilations, using the full available data sample collected with the OPAL detector at...

Measurement of the Branching Ratio for the Process $b \to \tau^{-}\overline{\nu}_{\tau}X$ (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

The inclusive branching ratio for the process b -> tau nu X has been measured using hadronic Z decays collected by the OPAL experiment at LEP in the years 1992-2000. The result is: BR(b -> tau nu X)...

Angular Analysis of the Muon Pair Asymmetry at LEP 1 (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

Data on muon pair production obtained by the OPAL collaboration at centre of mass energies near the Z peak are analysed. Small angular mismatches between the directions of the two muons are used to...

Measurement of |$V_{ub}$| using b hadron semileptonic decays (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

The magnitude of the CKM matrix element Vub is determined by measuring the inclusive charmless semileptonic branching fraction of beauty hadrons at OPAL based on b -> Xu l nu event topology and...

Search for Single Leptoquark and Squark Production in Electron-Photon Scattering at $\sqrt{s_{ee}}$ = 189 GeV at LEP (2001)

Abbiendi, G, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, ...

A search for first generation scalar and vector leptoquarks (LQ) as well as for squarks in R-parity violating SUSY models has been performed using e+e- collisions collected with the OPAL detector at...

Precision Neutral Current Asymmetry Parameter Measurements from the Tau Polarization at LEP (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

Measurements of the tau lepton polarization and forward-backward polarization asymmetry near the Z resonance using the OPAL detector are described. The measurements are based on analyses of tau -> e...

Measurement of the Branching Ratio for $D_{s} \to \tau\nu_{\tau}$ Decays (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

Using about 3.9 million hadronic Z decays from e+e- collisions recorded by the OPAL detector at LEP at centre-of-mass energies near MZ the branching ratio for the decay D_s -> tau nu_tau has been...

A Simultaneous Measurement of the QCD Colour Factors and the Strong Coupling (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

Using data from e+e- annihilation into hadrons, taken with the OPAL detector at LEP at the Z pole between 1991 and 1995, we performed a simultaneous measurement of the colour factors of the...

A Search for a Narrow Radial Excitation of the $D^{*\pm}$ Meson (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

A sample of 3.73 million hadronic Z decays, recorded with the OPAL detector at LEP in the years 1991-95, has been used to search for a narrow resonance corresponding to the decay of the D*'+/-(2629)...

Search for the Standard Model Higgs Boson in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 192-209 GeV (2001)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

A search for the Standard Model Higgs boson has been performed with the OPAL detector at LEP based on the full data sample collected at sqrt(s) = 192-209 GeV in 1999 and 2000, corresponding to an...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Precise Determination of the Z Resonance Parameters at LEP: Zedometry (2000)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

This final analysis of hadronic and leptonic cross-sections and of leptonic forward-backward asymmetries in e+e- collisions with the OPAL detector makes use of the full LEP1 data sample comprising...

A Study of $B_{s}$ Meson Oscillation Using $D_{s}^{-}$-Lepton Correlations (2000)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

From data collected around the Z resonance by the OPAL detector at LEP a sample of Bs decays was obtained using Ds^-l^+ combinations, where the Ds^- was fully reconstructed in the phi pi-, K*0K- and...

Charged Multiplicities in Z Decays into u, d, and s Quarks (2000)

Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, Gideon, Allison, J, Anagnostou, G, ...

About 4.4 million hadronic decays of Z bosons, recorded by the OPAL detector at LEP at a centre-of-mass energy of around sqrt(s) = 91.2 GeV, are used to determine the mean charged particle...

Les salicornietum emerici et ramosissimae du littoral méditerranéen français (1978)

Géhu, Jean Marie, Géhu Franck, Jeannette, Caron, B.

En este trabajo, los áutores señalan precisiones taxonómicas y corológicas sobre las Salicornias anuales del litoral mediterráneo francés. Salicornia emerie!, tetraploide y Salicornia...

A Step Towards A Computing Grid For The LHC Experiments: ATLAS Data Challenge 1

Sturrock,R., Bischof,R., Epp,B., Ghete,V. M., Kuhn,D., Mello,A. G., ...

The ATLAS Collaboration at CERN is preparing for the data taking and analysis at the LHC that will start in 2007. Therefore, a series of Data Challenges was started in 2002 whose goals are the...

A Step Towards A Computing Grid For The LHC Experiments: ATLAS Data Challenge 1

Sturrock, R., Bischof, R., Epp, B., Ghete, V. M., Kuhn, D., Mello, A. G., ...

The ATLAS Collaboration at CERN is preparing for the data taking and analysis at the LHC that will start in 2007. Therefore, a series of Data Challenges was started in 2002 whose goals are the...