D. Hoffmann

Details der Publikationsliste

Zeitraum

1974 - 9999

Anzahl

989

Co-Autoren

Electro-Absorptive Optical Modulation by Wannier-Stark Localization in an InGaAsP Superlattice, (9999)

Agrawal, N., Bornholdt, C., Franke, D., Hoffmann, D., Kappe, F.

Electro-absorptive long wavelength (Lambda = 1550 nm) semiconductor modulators with low drive voltage are indispensable components for future high bit-rate communication networks. Recently,...

First monolithic InP-based 90°-hybrid OEIC comprising balanced detectors for 100GE coherent frontends (2009)

Kunkel, R., Hoffmann, D., Weinert, C.M., Molina-Fernandez, I., Halir, R.

A monolithically integrated InP 90° hybrid incorporating waveguide balanced photodiodes is presented. Stable performance is achieved over a wavelength range from 1530 nm to 1565 nm.

Adaptive learning in the foraging behavior of the predatory mite Phytoseiulus persimilis (2009)

Rahmani, H., Hoffmann, D., Walzer, A., Schausberger, P.

Arthropod learning in the context of food acceptance and choice is commonly assumed to be adaptive but documentation of the adaptive value is scarce and lacking for true predators. We examined...

Authoring of multi-platform services (2009)

Schröder, S., Hoffmann, D., Kuhhirt, U.

Since the idea of interactive TV has evolved and the obvious additional value of this development occurred, several platforms were realized - each with different file formats and different...

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

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...

High power Yb:YAG innoslab fs-amplifier (2008)

Rußbüldt, P., Mans, T., Hoffmann, D., Poprawe, R.

For high throughput applications a diode-pumped Yb:YAG Innoslab fs-amplifier, scalable to several 100W, was realized. At 63.2MHz repetition rate and 77W average output power nearly transform and...

Silence Is Golden: Transient Neural Deactivation in the Prefrontal Cortex during Attentive Reading (2008)

Lachaux, J.P., Jung, J., Mainy, N., Dreher, J.C., Bertrand, O., Baciu, M., ...

It is becoming increasingly clear that attention-demanding tasks engage not only activation of specific cortical regions but also deactivation of other regions that could interfere with the task at...

TACKLING CONCRETE PROBLEMS IN MOLECULAR BIOPHYSICS USING MONTE CARLO AND RELATED METHODS: GLYCOSYLATION, FOLDING, SOLVATION (2007)

D. Hoffmann, T. Washio, J. Jacob, K. Gessler

We show how Monte Carlo and related methods as complete enumeration can help to predict and understand the outcomes of concrete biophysical experiments. Three examples are discussed: the effect of...

Ictal clinical and scalp-EEG findings differentiating temporal lobe epilepsies from temporal 'plus' epilepsies (2007)

Barba, C., Barbati, G., Minotti, L., Hoffmann, D., Kahane, P.

Temporal ‘plus’ epilepsies are characterized by seizures involving a complex epileptogenic network including the temporal lobe and the closed neighboured structures such as the orbito-frontal...

Inclusive $D^{*\pm}$ meson cross sections and $D^{*\pm}$-jet correlations in photoproduction at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., Asmone, A., ...

Differential photoproduction cross sections are measured for events containing D*± mesons. The data were taken with the H1 detector at the ep collider HERA and correspond to an integrated luminosity...

Inclusive $D^{*\pm}$ meson cross sections and $D^{*\pm}$-jet correlations in photoproduction at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., Asmone, A., ...

Differential photoproduction cross sections are measured for events containing D*± mesons. The data were taken with the H1 detector at the ep collider HERA and correspond to an integrated luminosity...

Inclusive $D^{*\pm}$ meson cross sections and $D^{*\pm}$-jet correlations in photoproduction at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., Asmone, A., ...

Differential photoproduction cross sections are measured for events containing D*± mesons. The data were taken with the H1 detector at the ep collider HERA and correspond to an integrated luminosity...

Diffractive Open Charm Production in Deep-Inelastic Scattering and Photoproduction at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., Asmone, A., ...

Measurements are presented of diffractive open charm production at HERA. The event topology is given by ep -> eX Y where the system X contains at least one charmed hadron and is well separated by a...

Search for Lepton Flavour Violation in ep Collisions at HERA (2007)

Aktas, A., Alexa, C., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., ...

A search for the lepton flavour violating processes ep->mu X and ep -> tau X is performed with the H1 experiment at HERA. Final states with a muon or tau and a hadronic jet are searched for in a data...

Measurement of beauty production at HERA using events with muons and jets (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A measurement of the beauty production cross section in ep collisions at a centre-of-mass energy of 319 GeV is presented. The data were collected with the H1 detector at the HERA collider in the...

Measurement of Dijet Cross Sections in ep Interactions with a Leading Neutron at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A direct search has been made for magnetic monopoles produced in e^+ p collisions at a centre of mass energy of 300 GeV at HERA. The beam pipe surrounding the interaction region in 1995-1997 was...

A Direct Search for Stable Magnetic Monopoles Produced in Positron-Proton Collisions at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A direct search has been made for magnetic monopoles produced in e^+ p collisions at a centre of mass energy of 300 GeV at HERA. The beam pipe surrounding the interaction region in 1995-1997 was...

Inclusive $D^{*\pm}$ Meson Cross Sections and $D^{*\pm}$ Jet Correlations in Photoproduction at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., Asmone, A., ...

Differential photoproduction cross sections are measured for events containing D* mesons. The data were taken with the H1 detector at the ep collider HERA and correspond to an integrated luminosity...

Production of $D^{*\pm}$ Mesons with Dijets in Deep-Inelastic Scattering at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., Asmone, A., ...

Inclusive D* production is measured in deep-inelastic ep scattering at HERA with the H1 detector. In addition, the production of dijets in events with a D* meson is investigated. The analysis covers...

Measurement of beauty production at HERA using events with muons and jets (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A measurement of the beauty production cross section in ep collisions at a centre-of-mass energy of 319 GeV is presented. The data were collected with the H1 detector at the HERA collider in the...

Measurement of beauty production at HERA using events with muons and jets (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A measurement of the beauty production cross section in ep collisions at a centre-of-mass energy of 319 GeV is presented. The data were collected with the H1 detector at the HERA collider in the...

Production of D*$\pm$ Mesons with Dijets in Deep-Inelastic Scattering at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Antunovic, B., Aplin, S., Asmone, A., ...

Inclusive D* production is measured in deep-inelastic ep scattering at HERA with the H1 detector. In addition, the production of dijets in events with a D* meson is investigated. The analysis covers...

Measurement and QCD Analysis of the Diffractive Deep-Inelastic Scattering Cross Section at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A detailed analysis is presented of the diffractive deep-inelastic scattering process $ep\to eXY$, where $Y$ is a proton or a low mass proton excitation carrying a fraction $1 - \xpom > 0.95$ of the...

Diffractive Deep-Inelastic Scattering with a Leading Proton at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The cross section for the diffractive deep-inelastic scattering process $ep \to e X p$ is measured, with the leading final state proton detected in the H1 Forward Proton Spectrometer. The data...

Tau lepton production in ep collisions at HERA. (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The production of tau leptons in ep collisions is investigated using data recorded by the H1 detector at HERA in the period 1994-2000. Tau leptons are identified by detecting their decay products,...

Diffractive Deep-Inelastic Scattering with a Leading Proton at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The cross section for the diffractive deep-inelastic scattering process $ep \to e X p$ is measured, with the leading final state proton detected in the H1 Forward Proton Spectrometer. The data...

Measurement and QCD Analysis of the Diffractive Deep-Inelastic Scattering Cross Section at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A detailed analysis is presented of the diffractive deep-inelastic scattering process $ep\to eXY$, where $Y$ is a proton or a low mass proton excitation carrying a fraction $1 - \xpom > 0.95$ of the...

Tau lepton production in ep collisions at HERA. (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The production of tau leptons in ep collisions is investigated using data recorded by the H1 detector at HERA in the period 1994-2000. Tau leptons are identified by detecting their decay products,...

Diffractive Deep-Inelastic Scattering with a Leading Proton at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The cross section for the diffractive deep-inelastic scattering process $ep \to e X p$ is measured, with the leading final state proton detected in the H1 Forward Proton Spectrometer. The data...

Measurement and QCD Analysis of the Diffractive Deep-Inelastic Scattering Cross Section at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A detailed analysis is presented of the diffractive deep-inelastic scattering process $ep\to eXY$, where $Y$ is a proton or a low mass proton excitation carrying a fraction $1 - \xpom > 0.95$ of the...

Tau lepton production in ep collisions at HERA. (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The production of tau leptons in ep collisions is investigated using data recorded by the H1 detector at HERA in the period 1994-2000. Tau leptons are identified by detecting their decay products,...

Search for a Narrow Baryonic Resonance Decaying to $K^0_s p$ or $K^0_s \bar{p}$ in Deep Inelastic Scattering at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for a narrow baryonic resonance decaying to $K^0_s p$ or $K^0_s \bar p$ is carried out in deep inelastic ep scattering with the H1 detector at HERA. Such a resonance could be a strange...

Measurement of Charm and Beauty Dijet Cross Sections in Photoproduction at HERA using the H1 Vertex Detector (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement of charm and beauty dijet photoproduction cross sections at the ep collider HERA is presented. Events are selected with two or more jets of transverse momentum $p_t^{jet}_{1(2)}>11(8)$...

Photoproduction of dijets with high transverse momenta at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Differential dijet cross sections are measured in photoproduction in the region of photon virtualities Q^2 < 1 GeV^2 with the H1 detector at the HERA ep collider using an integrated luminosity of...

Diffractive photoproduction of $\rho$ mesons with large momentum transfer at HERA. (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The diffractive photoproduction of rho mesons, e p \to e rho Y, with large momentum transfer squared at the proton vertex, |t|, is studied with the H1 detector at HERA using an integrated luminosity...

Search for doubly-charged Higgs boson production at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for the single production of doubly-charged Higgs bosons H^{\pm \pm} in ep collisions is presented. The signal is searched for via the Higgs decays into a high mass pair of same charge...

Search for a Narrow Baryonic Resonance Decaying to $K^0_s p$ or $K^0_s \bar{p}$ in Deep Inelastic Scattering at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for a narrow baryonic resonance decaying to $K^0_s p$ or $K^0_s \bar p$ is carried out in deep inelastic ep scattering with the H1 detector at HERA. Such a resonance could be a strange...

Measurement of Charm and Beauty Dijet Cross Sections in Photoproduction at HERA using the H1 Vertex Detector (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement of charm and beauty dijet photoproduction cross sections at the ep collider HERA is presented. Events are selected with two or more jets of transverse momentum $p_t^{jet}_{1(2)}>11(8)$...

Photoproduction of dijets with high transverse momenta at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Differential dijet cross sections are measured in photoproduction in the region of photon virtualities Q^2 < 1 GeV^2 with the H1 detector at the HERA ep collider using an integrated luminosity of...

Diffractive photoproduction of $\rho$ mesons with large momentum transfer at HERA. (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The diffractive photoproduction of rho mesons, e p \to e rho Y, with large momentum transfer squared at the proton vertex, |t|, is studied with the H1 detector at HERA using an integrated luminosity...

Search for doubly-charged Higgs boson production at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for the single production of doubly-charged Higgs bosons H^{\pm \pm} in ep collisions is presented. The signal is searched for via the Higgs decays into a high mass pair of same charge...

Search for a Narrow Baryonic Resonance Decaying to $K^0_s p$ or $K^0_s \bar{p}$ in Deep Inelastic Scattering at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for a narrow baryonic resonance decaying to $K^0_s p$ or $K^0_s \bar p$ is carried out in deep inelastic ep scattering with the H1 detector at HERA. Such a resonance could be a strange...

Measurement of Charm and Beauty Dijet Cross Sections in Photoproduction at HERA using the H1 Vertex Detector (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement of charm and beauty dijet photoproduction cross sections at the ep collider HERA is presented. Events are selected with two or more jets of transverse momentum $p_t^{jet}_{1(2)}>11(8)$...

Photoproduction of dijets with high transverse momenta at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Differential dijet cross sections are measured in photoproduction in the region of photon virtualities Q^2 < 1 GeV^2 with the H1 detector at the HERA ep collider using an integrated luminosity of...

Diffractive photoproduction of $\rho$ mesons with large momentum transfer at HERA. (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The diffractive photoproduction of rho mesons, e p \to e rho Y, with large momentum transfer squared at the proton vertex, |t|, is studied with the H1 detector at HERA using an integrated luminosity...

Search for doubly-charged Higgs boson production at HERA (2007)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for the single production of doubly-charged Higgs bosons H^{\pm \pm} in ep collisions is presented. The signal is searched for via the Higgs decays into a high mass pair of same charge...

Frequency stabilisation of Q-switched Nd:YAG oscillators for airborne and spaceborne LIDAR systems (2007)

Nicklaus, K., Morasch, V., Hoefer, M., Luttmann, J., Vierkötter, M., Ostermeyer, M., ...

Lidar Systems for the measurement of three-dimensional wind or cloud and aerosol formations in the earth atmosphere require highly stable pulsed single frequency laser systems with a narrow line...

Heat transport in solid and air-clad fibers for high-power fiber lasers (2007)

Zintzen, B., Langer, T., Geiger, J., Hoffmann, D., Loosen, P.

An analytical approach for the thermal design for high-power fiber lasers and fiber components is presented. The approach is based on defining a thermal resistance for each fiber layer. Thus the...

Anordnung mit einem feststehenden Festkoerpermedium (2007)

Russbueldt, P., Hoffmann, D.

DE 102007002888 A1 UPAB: 20080615 NOVELTY - The arrangement has a reflector arranged on a side of a fixed solid-state medium (1) e.g. optically pumped laser medium, that is pumped by a pump device...

Nodulation deficiency caused by fast neutron mutagenesis of the model legume Lotus japonicus (2007)

Hoffmann, D., Jiang, Q. Y., Men, A., Kinkema, M. D., Gresshoff, P. M.

Fast neutron mutagenesis of Lotus japonicus wild-type genotype Gifu resulted in the isolation of a stable mutant (FNN5-2) unable to form nitrogen fixing nodules in symbiosis with Mesorhizobium loti,...

Nodulation deficiency caused by fast neutron mutagenesis of the model legume Lotus japonicus (2007)

Hoffmann, D., Jiang, Q. Y., Men, A., Kinkema, M. D., Gresshoff, P. M.

Fast neutron mutagenesis of Lotus japonicus wild-type genotype Gifu resulted in the isolation of a stable mutant (FNN5-2) unable to form nitrogen fixing nodules in symbiosis with Mesorhizobium loti,...

Vorkommen von Vancomycin-resistenten Enterokokken (VRE) in der aquatischen Umwelt während eines epidemischen Ausbruchs in einer Klinik und neue Ansätze zur Verhinderung des Eintrages in die Umwelt. (2007)

Kohnen, W., Schön-Hölz, K., Schwartz, T., Frey, W., Böhme, C., Hoffmann, D., ...

1.Jahrestagung der Gesellschaft für Hygiene, Umweltmedizin und Präventivmedizin (GHUP) und 10.Jahrestagung des Landesinstituts für den Öffentlichen Gesundheitsdienst NRW, Bielefeld,...

Proton Dissociative $\rho$ and Elastic $\phi$ Electroproduction at HERA (2006)

Adloff, C., Aid, S., Anderson, M., Andreev, V., Andrieu, B., Arkadov, V., ...

The electroproduction of rho mesons with proton diffractive dissociation for Q^2 7 GeV^2 and the elastic electroproduction of Phi mesons for Q^2 6 Gev^2 are studied in e^+ p collisions at HERA with...

A measurement and QCD analysis of the proton structure function F$_{2}$(x,Q$^{2}$) at HERA (2006)

Aid, S., Andreev, V., Andrieu, B., Appuhn, R.D., Arpagaus, M., Babaev, A., ...

A new measurement of the proton structure function F_2(x,Q^2) is reported for momentum transfers squared Q^2 between 1.5~GeV^2 and 5000~GeV^2 and for Bjorken x between 3\cdot 10^{-5} and 0.32 using...

A measurement and QCD analysis of the proton structure function F$_{2}$(x,Q$^{2}$) at HERA (2006)

Aid, S., Andreev, V., Andrieu, B., Appuhn, R.D., Arpagaus, M., Babaev, A., ...

A new measurement of the proton structure function F_2(x,Q^2) is reported for momentum transfers squared Q^2 between 1.5~GeV^2 and 5000~GeV^2 and for Bjorken x between 3\cdot 10^{-5} and 0.32 using...

A measurement and QCD analysis of the proton structure function F$_{2}$(x,Q$^{2}$) at HERA (2006)

Aid, S., Andreev, V., Andrieu, B., Appuhn, R.D., Arpagaus, M., Babaev, A., ...

A new measurement of the proton structure function F_2(x,Q^2) is reported for momentum transfers squared Q^2 between 1.5~GeV^2 and 5000~GeV^2 and for Bjorken x between 3\cdot 10^{-5} and 0.32 using...

Inclusive $d^0$ and $d^{\star\pm}$ production in neutral current deep inelastic EP scattering at HERA (2006)

Adloff, C., Aid, S., Anderson, M., Andreev, V., Andrieu, B., Appuhn, R.D., ...

First results on inclusive D0 and D* production in deep inelastic $ep$ scattering are reported using data collected by the H1 experiment at HERA in 1994. Differential cross sections are presented for...

Elastic J/Psi Production at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Cross sections for elastic production of J/Psi mesons in photoproduction and electroproduction are measured in electron proton collisions at HERA using an integrated luminosity of 55 pb^{-1}. Results...

Measurement of $F_2^{c\bar{c}}$ and $F_2^{b\bar{b}}$ at Low $Q^2$ and x using the H1 Vertex Detector at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Measurements are presented of inclusive charm and beauty cross sections in e^+p collisions at HERA for values of photon virtuality 12 \le Q^2 \le 60 GeV^2 and of the Bjorken scaling variable 0.0002...

A Determination of Electroweak Parameters at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Using the deep inelastic e$^+p$ and $e^-p$ charged and neutral current scattering cross sections previously published, a combined electroweak and QCD analysis is performed to determine electroweak...

A Determination of Electroweak Parameters at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Using the deep inelastic e$^+p$ and $e^-p$ charged and neutral current scattering cross sections previously published, a combined electroweak and QCD analysis is performed to determine electroweak...

A Determination of Electroweak Parameters at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Using the deep inelastic e$^+p$ and $e^-p$ charged and neutral current scattering cross sections previously published, a combined electroweak and QCD analysis is performed to determine electroweak...

Measurement of Event Shape Variables in Deep-Inelastic Scattering at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Deep-inelastic ep scattering data taken with the H1 detector at HERA and corresponding to an integrated luminosity of 106 pb^{-1} are used to study the differential distributions of event shape...

Spin-flip processes and ultrafast magnetization dynamics in Co - unifying the microscopic and macroscopic view of femtosecond magnetism (2006)

Cinchetti, M., Albaneda, M. Sánchez, Hoffmann, D., Roth, T., Krauß, M., ...

The femtosecond magnetization dynamics of a thin cobalt film excited with ultrashort laser pulses has been studied using two complementary pump-probe techniques, namely spin-, energy- and...

Forward Jet Production in Deep Inelastic Scattering at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The production of forward jets has been measured in deep inelastic ep collisions at HERA. The results are presented in terms of single differential cross sections as a function of the Bjorken scaling...

First Measurement of Charged Current Cross Sections at HERA with Longitudinally Polarised Positrons (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Data taken with positrons of different longitudinal polarisation states in collision with unpolarised protons at HERA are used to measure the total cross sections of the charged current process, e^+...

Measurement of $F_2^{c\bar{c}}$ and $F_2^{b\bar{b}}$ at Low $Q^2$ and x using the H1 Vertex Detector at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Measurements are presented of inclusive charm and beauty cross sections in e^+p collisions at HERA for values of photon virtuality 12 \le Q^2 \le 60 GeV^2 and of the Bjorken scaling variable 0.0002...

First Measurement of Charged Current Cross Sections at HERA with Longitudinally Polarised Positrons (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Data taken with positrons of different longitudinal polarisation states in collision with unpolarised protons at HERA are used to measure the total cross sections of the charged current process, e^+...

Forward Jet Production in Deep Inelastic Scattering at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The production of forward jets has been measured in deep inelastic ep collisions at HERA. The results are presented in terms of single differential cross sections as a function of the Bjorken scaling...

Measurement of $F_2^{c\bar{c}}$ and $F_2^{b\bar{b}}$ at Low $Q^2$ and x using the H1 Vertex Detector at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Measurements are presented of inclusive charm and beauty cross sections in e^+p collisions at HERA for values of photon virtuality 12 \le Q^2 \le 60 GeV^2 and of the Bjorken scaling variable 0.0002...

First Measurement of Charged Current Cross Sections at HERA with Longitudinally Polarised Positrons (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Data taken with positrons of different longitudinal polarisation states in collision with unpolarised protons at HERA are used to measure the total cross sections of the charged current process, e^+...

Measurement of Event Shape Variables in Deep-Inelastic Scattering at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Deep-inelastic ep scattering data taken with the H1 detector at HERA and corresponding to an integrated luminosity of 106 pb^{-1} are used to study the differential distributions of event shape...

Tau lepton production in ep collisions at HERA. (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The production of tau leptons in ep collisions is investigated using data recorded by the H1 detector at HERA in the period 1994-2000. Tau leptons are identified by detecting their decay products,...

Search for doubly-charged Higgs boson production at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for the single production of doubly-charged Higgs bosons H^{\pm \pm} in ep collisions is presented. The signal is searched for via the Higgs decays into a high mass pair of same charge...

Diffractive photoproduction of $\rho$ mesons with large momentum transfer at HERA. (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The diffractive photoproduction of rho mesons, e p \to e rho Y, with large momentum transfer squared at the proton vertex, |t|, is studied with the H1 detector at HERA using an integrated luminosity...

Photoproduction of dijets with high transverse momenta at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Differential dijet cross sections are measured in photoproduction in the region of photon virtualities Q^2 < 1 GeV^2 with the H1 detector at the HERA ep collider using an integrated luminosity of...

Search for a Narrow Baryonic Resonance Decaying to $K^0_s p$ or $K^0_s \bar{p}$ in Deep Inelastic Scattering at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for a narrow baryonic resonance decaying to $K^0_s p$ or $K^0_s \bar p$ is carried out in deep inelastic ep scattering with the H1 detector at HERA. Such a resonance could be a strange...

Measurement of Charm and Beauty Dijet Cross Sections in Photoproduction at HERA using the H1 Vertex Detector (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement of charm and beauty dijet photoproduction cross sections at the ep collider HERA is presented. Events are selected with two or more jets of transverse momentum $p_t^{jet}_{1(2)}>11(8)$...

Measurement and QCD Analysis of the Diffractive Deep-Inelastic Scattering Cross Section at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A detailed analysis is presented of the diffractive deep-inelastic scattering process $ep\to eXY$, where $Y$ is a proton or a low mass proton excitation carrying a fraction $1 - \xpom > 0.95$ of the...

Diffractive Deep-Inelastic Scattering with a Leading Proton at HERA (2006)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The cross section for the diffractive deep-inelastic scattering process $ep \to e X p$ is measured, with the leading final state proton detected in the H1 Forward Proton Spectrometer. The data...

Dense wavelength multiplexing for a high power diode laser (2006)

Wessling, C., Traub, M., Hoffmann, D., Poprawe, R.

At present methods of polarization and wavelength multiplexing with dielectric coatings are used to increase the brightness of diode lasers. The number of suitable diode laser wavelengths is limited...

MOPA with kW average power and multi MW peak power: Experimental results, theoretical modeling, and scaling limits (2006)

Nicklaus, K., Hoefer, M., Hoffmann, D., Luttmann, J., Wester, R., Poprawe, R.

A Master-Oscillator-Power-Amplifier (MOPA) design combining rod and slab laser technology for high pulse energy, high average power and near diffraction limited beam quality for industrial use has...

Optical isolator for unpolarized laser radiation at multi-kilowatt average power (2006)

Nicklaus, K., Daniels, M., Hohn, R., Hoffmann, D.

A fiber coupled birefringence compensated Faraday Isolator set-up has been developed. At 2 kW average power a transmission greater 93 % and an isolation of 15 dB was achieved. No degradation in beam...

Nonequilibrium radiation of long-wavelength InAs/GaSb superlattice photodiodes (2006)

Hoffmann, D., Hood, A., Fuchs, F., Razeghi, M.

The emission behavior of binary-binary type-II InAs/GaSb superlattice photodiodes has been studied in the spectral range between 8 and 13 µm. With a radiometric calibration of the experimental setup...

Negative luminescence of InAs/GaSb superlattice photodiodes (2006)

Fuchs, F., Hoffmann, D., Gin, A., Hood, A., Wei, Y., Razeghi, M.

The emission behaviour of InAs/GaSb superlattice photodiodes has been studied in the spectral range between 8 µm and 13 µm. With a radiometric calibration of the experimental set-up the internal...

Electroluminescence of InAs-GaSb heterodiodes (2006)

Hoffmann, D., Hood, A., Michel, E., Fuchs, F., Razeghi, M.

The electroluminescence of a Type II InAs-GaSb superlattice heterodiode has been studied as a function of injection current and temperature in the spectral range between 3 and 13 µm. The heterodiode...

Capacitance-voltage investigation of high-purity InAs/GaSb superlattice photodiodes (2006)

Hood, A., Hoffmann, D., Wei, Y., Fuchs, F., Razeghi, M.

The residual carrier backgrounds of binary type-II InAs/GaSb superlattice photodiodes with cutoff wavelengths around 5 µm have been studied in the temperature range between 20 and 200 K. By applying...

1.55 mu m Mach-Zehnder modulators on InP for optical 40/80 Gbit/s transmission networks (2006)

Klein, H.N., Chen, H., Hoffmann, D., Staroske, S., Steffan, A.G., Velthaus, K.O.

We demonstrate excellent 40 Gbit/s operation of a packaged InP Mach- Zehnder-modulator with a low rms jitter of 730 fs. A modulator with 63 GHz on-chip bandwidth is shown as a step towards 80 Gbit/s...

Elektro-optischer Modulator für zukünftige Kommunikationsnetze: Abschlußbericht Version A1, Projekt-Akronym: OptiMod/MultiTeraNet. Projektlaufzeit: 1.10.02 - 30.9.05 (2006)

Velthaus, K.O., Hoffmann, D., Klein, H.

Der angestrebte elektro-optische Modulator für Übertragungsraten von bis zu 80 Gbit/s geht von einem Mach-Zehnder-Modulator mit integriertem optischen Spot-Size-Converter (Taper) auf InP-Grundlage...

Measurement of Deeply Virtual Compton Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement is presented of elastic deeply virtual Compton scattering \gamma* p \to \gamma p made using e^+ p collision data corresponding to a luminosity of 46.5 pb^{-1}, taken with the H1...

Search for leptoquark bosons in $ep$ collisions at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for scalar and vector leptoquarks coupling to first generation fermions is performed using the $e^+p$ and $e^−p$ scattering data collected by the H1 experiment between 1994 and 2000....

Search for leptoquark bosons in $ep$ collisions at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for scalar and vector leptoquarks coupling to first generation fermions is performed using the $e^+p$ and $e^−p$ scattering data collected by the H1 experiment between 1994 and 2000....

Search for leptoquark bosons in $ep$ collisions at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for scalar and vector leptoquarks coupling to first generation fermions is performed using the $e^+p$ and $e^−p$ scattering data collected by the H1 experiment between 1994 and 2000....

Inclusive Production of $D^+, D^0, D_s^+ and D^*+$ Mesons in Deep Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Inclusive production cross sections are measured in deep inelastic scattering at HERA for meson states composed of a charm quark and a light antiquark or the charge conjugate. The measurements cover...

Inclusive Production of $D^+, D^0, D_s^+ and D^*+$ Mesons in Deep Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Inclusive production cross sections are measured in deep inelastic scattering at HERA for meson states composed of a charm quark and a light antiquark or the charge conjugate. The measurements cover...

Inclusive Production of $D^+, D^0, D_s^+ and D^*+$ Mesons in Deep Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Inclusive production cross sections are measured in deep inelastic scattering at HERA for meson states composed of a charm quark and a light antiquark or the charge conjugate. The measurements cover...

Measurement of charm and beauty photoproduction at HERA using D$^*\mu$ correlations (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement of charm and beauty photoproduction at the electron proton collider HERA is presented based on the simultaneous detection of a D$^*\pm$ meson and a muon. The correlation between the...

Search for light gravitinos in events with photons and missing transverse momentum at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

A search for gravitinos produced in $e\pmp$ collisions is performed using the H1 detector at HERA. The data were taken at a centre-of-mass energy of 319 GeV and correspond to an integrated luminosity...

Search for Squark Production in R-Parity Violating Supersymmetry at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

A search for squarks in R-parity violating supersymmetry is performed in e+/- p collisions at HERA using the H1 detector. The data were taken at a centre-of-mass energy of 319 GeV and correspond to...

Search for Squark Production in R-Parity Violating Supersymmetry at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

A search for squarks in R-parity violating supersymmetry is performed in e+/- p collisions at HERA using the H1 detector. The data were taken at a centre-of-mass energy of 319 GeV and correspond to...

Search for Squark Production in R-Parity Violating Supersymmetry at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

A search for squarks in R-parity violating supersymmetry is performed in e+/- p collisions at HERA using the H1 detector. The data were taken at a centre-of-mass energy of 319 GeV and correspond to...

Measurement of Anti-Deuteron Photoproduction and a Search for Heavy Stable Charged Particles at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

The cross section for anti-deuteron photoproduction is measured at HERA at a mean centre-of-mass energy of W_{\gamma p} = 200 GeV in the range 0.2 < p_T/M < 0.7 and |y| < 0.4, where M, p_T and y are...

Forward $\pi^0$ Production and Associated Transverse Energy Flow in Deep-Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Deep-inelastic positron-proton interactions at low values of Bjorken-x down to x \approx 4.10^-5 which give rise to high transverse momentum pi^0 mesons are studied with the H1 experiment at HERA....

Forward $\pi^0$ Production and Associated Transverse Energy Flow in Deep-Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Deep-inelastic positron-proton interactions at low values of Bjorken-x down to x \approx 4.10^-5 which give rise to high transverse momentum pi^0 mesons are studied with the H1 experiment at HERA....

Forward $\pi^0$ Production and Associated Transverse Energy Flow in Deep-Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Deep-inelastic positron-proton interactions at low values of Bjorken-x down to x \approx 4.10^-5 which give rise to high transverse momentum pi^0 mesons are studied with the H1 experiment at HERA....

Measurement of Prompt Photon Cross Sections in Photoproduction at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Results are presented on the photoproduction of isolated prompt photons, inclusively and associated with jets, in the gamma p center of mass energy range 142 < W < 266 GeV. The cross sections are...

Measurement of Prompt Photon Cross Sections in Photoproduction at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Results are presented on the photoproduction of isolated prompt photons, inclusively and associated with jets, in the gamma p center of mass energy range 142 < W < 266 GeV. The cross sections are...

Measurement of Prompt Photon Cross Sections in Photoproduction at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Results are presented on the photoproduction of isolated prompt photons, inclusively and associated with jets, in the gamma p center of mass energy range 142 < W < 266 GeV. The cross sections are...

Measurement of the proton structure function $F_2$ at low $Q^2$ in QED Compton scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

The proton structure function F_2(x,Q^2) is measured in inelastic QED Compton scattering using data collected with the H1 detector at HERA. QED Compton events are used to access the kinematic range...

Search for bosonic stop decays in R-parity violating supersymmetry in $e^+p$ collisions at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

A search for scalar top quarks in R-parity violating supersymmetry is performed in e^+ p collisions at HERA using the H1 detector. The data, taken at sqrt{s}=319 GeV and 301 GeV, correspond to an...

Measurement of dijet production at low $D^2$ at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Triple differential dijet cross sections in e^\pm p interactions are presented in the region of photon virtualities 2

Search for leptoquark bosons in ep collisions at HERA (2005)

Aktas, A, Andreev, V, Anthonis, T, Aplin, S, Asmone, A, ...

A search for scalar and vector leptoquarks coupling to first generation fermions is performed using the e(+) p and e(-) p scattering data collected by the H1 experiment between 1994 and 2000. The...

Measurement of deeply virtual Compton scattering at HERA (2005)

Aktas, A, Andreev, V, Anthonis, T, Aplin, S, Asmone, A, ...

A measurement is presented of elastic deeply virtual Compton scattering gamma* p -> gamma p made using e(+) p collision data corresponding to a luminosity of 46.5 pb(-1), taken with the H1 detector...

Forward Jet Production in Deep Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

The production of forward jets has been measured in deep inelastic ep collisions at HERA. The results are presented in terms of single differential cross sections as a function of the Bjorken scaling...

Elastic J/Psi Production at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Cross sections for elastic production of J/Psi mesons in photoproduction and electroproduction are measured in electron proton collisions at HERA using an integrated luminosity of 55 pb^{-1}. Results...

Measurement of Deeply Virtual Compton Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement is presented of elastic deeply virtual Compton scattering \gamma* p \to \gamma p made using e^+ p collision data corresponding to a luminosity of 46.5 pb^{-1}, taken with the H1...

Search for leptoquark bosons in $ep$ collisions at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for scalar and vector leptoquarks coupling to first generation fermions is performed using the $e^+p$ and $e^−p$ scattering data collected by the H1 experiment between 1994 and 2000....

A Determination of Electroweak Parameters at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Using the deep inelastic e$^+p$ and $e^-p$ charged and neutral current scattering cross sections previously published, a combined electroweak and QCD analysis is performed to determine electroweak...

Measurement of beauty production at HERA using events with muons and jets (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A measurement of the beauty production cross section in ep collisions at a centre-of-mass energy of 319 GeV is presented. The data were collected with the H1 detector at the HERA collider in the...

Measurement of dijet cross sections in ep interactions with a leading neutron at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

Measurements are reported of the production of dijet events with a leading neutron in ep interactions at HERA. Differential cross sections for photoproduction and deep inelastic scattering are...

A direct search for stable magnetic monopoles produced in positron-proton collisions at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A direct search has been made for magnetic monopoles produced in e$^+$p collisions at a centre of mass energy of 300 GeV at HERA. The beam pipe surrounding the interaction region in 1995–1997 was...

Measurement of $F_2^{c\overline{c}}$ and $F_2^{b\overline{b}}$ at high $Q^2$ using the H1 vertex detector at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

Measurements are presented of inclusive charm and beauty cross sections in e$^+$p collisions at HERA for values of photon virtuality Q$^2$ > 150 GeV$^2$ and of inelasticity 0.1 < y < 0.7. The charm...

Measurement of charm and beauty photoproduction at HERA using D$^*\mu$ correlations (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement of charm and beauty photoproduction at the electron proton collider HERA is presented based on the simultaneous detection of a D$^*\pm$ meson and a muon. The correlation between the...

Search for light gravitinos in events with photons and missing transverse momentum at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

A search for gravitinos produced in $e\pmp$ collisions is performed using the H1 detector at HERA. The data were taken at a centre-of-mass energy of 319 GeV and correspond to an integrated luminosity...

Measurement of Prompt Photon Cross Sections in Photoproduction at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Results are presented on the photoproduction of isolated prompt photons, inclusively and associated with jets, in the gamma p center of mass energy range 142 < W < 266 GeV. The cross sections are...

Inclusive Production of $D^+, D^0, D_s^+ and D^*+$ Mesons in Deep Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Inclusive production cross sections are measured in deep inelastic scattering at HERA for meson states composed of a charm quark and a light antiquark or the charge conjugate. The measurements cover...

Elastic J/Psi Production at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Cross sections for elastic production of J/Psi mesons in photoproduction and electroproduction are measured in electron proton collisions at HERA using an integrated luminosity of 55 pb^{-1}. Results...

Measurement of Deeply Virtual Compton Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement is presented of elastic deeply virtual Compton scattering \gamma* p \to \gamma p made using e^+ p collision data corresponding to a luminosity of 46.5 pb^{-1}, taken with the H1...

Search for leptoquark bosons in $ep$ collisions at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A search for scalar and vector leptoquarks coupling to first generation fermions is performed using the $e^+p$ and $e^−p$ scattering data collected by the H1 experiment between 1994 and 2000....

A Determination of Electroweak Parameters at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

Using the deep inelastic e$^+p$ and $e^-p$ charged and neutral current scattering cross sections previously published, a combined electroweak and QCD analysis is performed to determine electroweak...

Measurement of beauty production at HERA using events with muons and jets (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A measurement of the beauty production cross section in ep collisions at a centre-of-mass energy of 319 GeV is presented. The data were collected with the H1 detector at the HERA collider in the...

Measurement of dijet cross sections in ep interactions with a leading neutron at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

Measurements are reported of the production of dijet events with a leading neutron in ep interactions at HERA. Differential cross sections for photoproduction and deep inelastic scattering are...

A direct search for stable magnetic monopoles produced in positron-proton collisions at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

A direct search has been made for magnetic monopoles produced in e$^+$p collisions at a centre of mass energy of 300 GeV at HERA. The beam pipe surrounding the interaction region in 1995–1997 was...

Measurement of $F_2^{c\overline{c}}$ and $F_2^{b\overline{b}}$ at high $Q^2$ using the H1 vertex detector at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Babaev, A., ...

Measurements are presented of inclusive charm and beauty cross sections in e$^+$p collisions at HERA for values of photon virtuality Q$^2$ > 150 GeV$^2$ and of inelasticity 0.1 < y < 0.7. The charm...

Measurement of charm and beauty photoproduction at HERA using D$^*\mu$ correlations (2005)

Aktas, A., Andreev, V., Anthonis, T., Aplin, S., Asmone, A., Astvatsatourov, A., ...

A measurement of charm and beauty photoproduction at the electron proton collider HERA is presented based on the simultaneous detection of a D$^*\pm$ meson and a muon. The correlation between the...

Search for light gravitinos in events with photons and missing transverse momentum at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

A search for gravitinos produced in $e\pmp$ collisions is performed using the H1 detector at HERA. The data were taken at a centre-of-mass energy of 319 GeV and correspond to an integrated luminosity...

Measurement of Prompt Photon Cross Sections in Photoproduction at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Results are presented on the photoproduction of isolated prompt photons, inclusively and associated with jets, in the gamma p center of mass energy range 142 < W < 266 GeV. The cross sections are...

Inclusive Production of $D^+, D^0, D_s^+ and D^*+$ Mesons in Deep Inelastic Scattering at HERA (2005)

Aktas, A., Andreev, V., Anthonis, T., Asmone, A., Babaev, A., Backovic, S., ...

Inclusive production cross sections are measured in deep inelastic scattering at HERA for meson states composed of a charm quark and a light antiquark or the charge conjugate. The measurements cover...

MOPA with kW average power and multi MW pulse power (2005)

Nicklaus, K., Hoffmann, D., Hoefer, M., Luttmann, J., Loosen, P., Poprawe, R.

A Nd:YAG MOPA combining rod and slab geometry with 1.3 kW average, 24 MW peak power and 5.4 ns pulse duration at 10 kHz repetition rate has been developed. Birefringence compensation guarantees good...

Anordnung zur Kompensation der Spannungsdoppelbrechung sowie Aufbau mit solchen Anordnungen (2005)

Hoffmann, D., Nicklaus, K.

DE 10328306 A UPAB: 20050218 NOVELTY - First (1) and second (2) solid body laser substances (SBLS) are optically pumped, cooled via a jacket surface and operated symmetrically in reference to their...

Anordnung zur Transformation eines optischen Strahlungsfelds (2005)

Hoffmann, D., Traub, M., Meyer, R., Du, K.

WO2005006054 A UPAB: 20050311 NOVELTY - The light beam (1) leaving the end of the optical fiber (11) proceeds in the Z-direction and is symmetrical in the X- and Y-directions. The beam diverges from...

Diodenlaseranordnung mit einer Mehrzahl von elektrisch in Reihe geschalteten Diodenlasern (2005)

Dinger, R., Hoffmann, D., Haas, C.R.

DE 10209374 A UPAB: 20030923 NOVELTY - The diode laser arrangement has a number of diode lasers (2) electrically in series and each electrically in parallel with a bypass arrangement (4) that is of...

Glaeser mit farbiger Innenmarkierung (2005)

Krauss, M., Raether, F., Hoffmann, D., Siedow, N., Kreutz, E.W., Talkenberg, M.

DE1004026257 A UPAB: 20051208 NOVELTY - Glass composition contains (in wt.%) 0.01-1 copper oxides (CuO/Cu2O), 0.01-1 iron (III) oxide (Fe2O3), 0.01-1 selenium/sodium selenate (Se/Na2SeO3), 0.01-1...

Negative and positive luminescence in midwavelength infrared InAs-GaSb superlattice photodiodes (2005)

Hoffmann, D., Gin, A., Wei, Y., Hood, A., Fuchs, F., Razeghi, M.

The quantum efficiency of negative and positive luminescence in binary type-II InAs-GaSb superlattice photodiodes has been investigated in the midinfrared spectral range around the 5-µm wavelength....

Negative luminescence of long-wavelength InAs/GaSb superlattice photodiodes (2005)

Hoffmann, D., Hood, A., Wei, Y., Gin, A., Fuchs, F., Razeghi, M.

The electrically pumped emission behavior of binary type-II InAs/GaSb superlattice photodiodes has been studied in the spectral range between 8 µm and 13 µm. With a radiometric calibration of the...

Computational methods for the design of effective therapies against drug resistant HIV strains (2005)

Beerenwinkel, N., Sing, T., Lengauer, T., Rahnenfuhrer, J., Roomp, K., Savenkov, I., ...

The development of drug resistance is a major obstacle to successful treatment of HIV infection. The extraordinary replication dynamics of HIV facilitates its escape from selective pressure exerted...

Estimating HIV evolutionary pathways and the genetic barrier to drug resistance (2005)

Beerenwinkel, N., Daumer, M., Sing, T., Rahnenfuhrer, J., Lengauer, T., Selbig, J., ...

Background. The evolution of drug-resistant viruses challenges the management of human immunodeficiency virus (HIV) infections. Understanding this evolutionary process is important for the design of...

Mtreemix: a software package for learning and using mixture models of mutagenetic trees (2005)

Beerenwinkel, N., Rahnenfuhrer, J., Kaiser, R., Hoffmann, D., Selbig, J., Lengauer, T.

Mixture models of mutagenetic trees constitute a class of probabilistic models for describing evolutionary processes that are characterized by the accumulation of permanent genetic changes. They have...