Scientific Commons: E. G. Boos

The photoproduction of dijet events, where the two jets with the highest transverse energy are separated by a large gap in pseudorapidity, have been studied with the ZEUS detector using an integrated...

Diffractive Photoproduction of D*±(2010) at HERA (2007)

H. Abramowicz, DESY Forschung Hochenergiephysik, I. Abt, L. Adamczyk, M. Adamus, V. Adler, ...

Journal article

Multi-jet cross sections in charged current e±p scattering at HERA (2007)

H. Abramowicz, DESY Forschung Hochenergiephysik, I. Abt, L. Adamczyk, M. Adamus, P.D. Allfrey, ...

Journal article

Measurement of D Mesons Production in Deep Inelastic Scattering at HERA (2007)

H. Abramowicz, DESY Forschung Hochenergiephysik, I. Abt, L. Adamczyk, M. Adamus, V. Adler, ...

Journal article

Exclusive ρ 0 Production in Deep Inelastic Scattering at HERA (2007)

H. Abramowicz, DESY Forschung Hochenergiephysik, I. Abt, L. Adamczyk, M. Adamus, V. Adler, ...

Journal article

Substructure dependence of jet cross sections at HERA and determination of alpha(S) (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

Jet substructure and differential cross sections for jets produced in the photoproduction and deep inelastic ep scattering regimes have been measured with the ZEUS detector at HERA using an...

Observation of isolated high-E-T photons in deep inelastic scattering (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

First measurements of cross sections for isolated prompt photon production in deep inelastic ep scattering have been made using the ZEUS detector at the HERA electron-proton collider using an...

The dependence of dijet production on photon virtuality in ep collisions at HERA (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The dependence of dijet production on the virtuality of the exchanged photon, Q(2), has been studied by measuring dijet cross sections in the range 0 less than or similar to Q(2) lt 2000 GeV2 with...

Evidence for a narrow baryonic state decaying to K0s-p and K0s-pbar in deep inelastic scattering at HERA (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

A resonance search has been made in the K(S)(0)p and K-S(0)(p) over bar invariant-mass spectrum measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb(-1). The search was...

Photoproduction of D*(+/-) mesons associated with a leading neutron (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

The photoproduction of D*(+/-)(2010) mesons associated with a leading neutron has been observed with the ZEUS detector in ep collisions at HERA using an integrated luminosity of 80 pb(-1). The...

Search for QCD-instanton induced events in deep inelastic ep scattering at HERA (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for QCD-instanton-induced events in deep inelastic ep scattering has been performed with the ZEUS detector at the HERA collider, using data corresponding to an integrated luminosity of 38...

Isolated tau leptons in events with large missing transverse momentum at HERA (2004)

Chekanov, S., Derrick, A., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for events containing isolated tau leptons and large missing transverse momentum, not originating from the tau decay, has been performed with the ZEUS detector at the electron-proton...

Bose-Einstein correlations in one and two dimensions in deep inelastic scattering (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

Bose-Einstein correlations in one and two dimensions have been studied in deep inelastic ep scattering events measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb(-1). The...

Search for contact interactions, large extra dimensions and finite quark radius in ep collisions at HERA (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

A search for physics beyond the Standard Model has been performed with high-Q(2) neutral current deep inelastic scattering events recorded with the ZEUS detector at HERA. Two data sets, e(+) p →...

Observation of (KsKs0)-K-0 resonances in deep inelastic scattering at HERA (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Inclusive (KSKS0)-K-0 production in deep inelastic ep scattering at HERA has been studied with the ZEUS detector using an integrated luminosity of 120 pb(-1). Two states are observed at masses of...

High-Q(2) neutral current cross sections in e(+)p deep inelastic scattering at root s=318 GeV (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

Cross sections for e(+)p neutral current deep inelastic scattering have been measured at a center-of-mass energy of roots=318 GeV with the ZEUS detector at HERA using an integrated luminosity of 63.2...

Exclusive electroproduction of J/psi mesons at HERA (2004)

Chekanov, S., Derrick, A., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The exclusive electroproduction of J/psi mesons, ep → epJ/psi, has been studied with the ZEUS detector at HERA for virtualities of the exchanged photon in the ranges 0.15 lt Q(2) lt 0.8 GeV2 and 2...

Bottom photoproduction measured using decays into muons in dijet events in ep collisions at root s=318 GeV (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Miglioranzi, S., ...

The photoproduction of bottom quarks in events with two jets and a muon has been measured with the ZEUS detector at HERA using an integrated luminosity of 110 pb(-1). The fraction of jets containing...

Measurement of Dstar(+/-) production in deep inelastic e(+/-)p scattering at DESY HERA (2004)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Inclusive production of Dstar(+/-) (2010) mesons in deep inelastic scattering has been measured with the ZEUS detector at DESY HERA using an integrated luminosity of 81.9 pb-1. The decay channel...

Measurement of beauty production in deep inelastic scattering at HERA (2004)

Chekanov, S., Derrick, M., Loizides, J.H., Magill, S., Miglioranzi, S., Musgrave, B., ...

The beauty production cross section for deep inelastic scattering events with at least one hard jet in the Breit frame together with a union has been measured, for photon virtualities Q(2) gt 2 GeV2,...

Dijet angular distributions in photoproduction of charm at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Dijet angular distributions of photoproduction events in which a D/sup *+or-/ meson is produced in association with one of two energetic jets have been measured with the ZEUS detector at HERA, using...

Search for single-top production in ep collisions at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

A search for single-top production, ep to et X, has been made with the ZEUS detector at HERA using an integrated luminosity of 130.1 pb/sup -1/. Events from both the leptonic and hadronic decay...

Measurement of event shapes in deep inelastic scattering at HERA (2003)

Chekanov, S., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., Repond, J., ...

Inclusive event-shape variables have been measured in the current region of the Breit frame for neutral current deep inelastic ep scattering using an integrated luminosity of 45.0 pb/sup -1/...

Observation of the strange sea in the proton via inclusive phi -meson production in neutral current deep inelastic scattering at HERA (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Inclusive phi (1020)-meson production in neutral current deep inelastic e/sup +/p scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 45 pb/sup -1/. The phi...

Study of the azimuthal asymmetry of jets in neutral current deep inelastic scattering at HERA (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

The azimuthal distribution of jets produced in the Breit frame in high-Q/sup 2/ deep inelastic e/sup +/p scattering has been studied with the ZEUS detector at HERA using an integrated luminosity of...

ZEUS next-to-leading-order QCD analysis of data on deep inelastic scattering (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Next-to-leading-order QCD analyses of the ZEUS data on deep inelastic scattering together with fixed-target data have been performed, from which the gluon and quark densities of the proton and the...

Jet production in charged current deep inelastic e+p scattering at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

The production rates and substructure of jets have been studied in charged current deep inelastic e(+)p scattering for Q(2) gt 200 GeV2 with the ZEUS detector at HERA using an integrated luminosity...

Leading proton production in e+ p collisions at HERA (2003)

Chekanov, S., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., Repond, J., ...

Events with a final-state proton carrying a large fraction of the proton beam momentum, x(L) gt 0.6, and the square of the transverse momentum p(T)(2) lt 0.5 GeV2 T, have been studied in e(+)p...

Measurement of deeply virtual Compton scattering at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

The cross-section for deeply virtual Compton scattering in the reaction ep → egammap has been measured with the ZEUS detector at HERA using integrated luminosities of 95.0 pb(-1) of e(+) p and 16.7...

Measurement of high-Q2 charged current cross sections in e+ p deep inelastic scattering at HERA (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Cross sections for e (+) p charged current deep inelastic scattering at a centre-of-mass energy of 318 [LF]GeV have bee n determined with an integrated luminosity of 60.9 pb(-1) collected with the...

Measurement of high-Q e(-)p neutral current cross sections at HERA and the extraction of xF3 (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Cross sections for e(-)p neutral current deep inelastic scattering have been measured at a centre-of-mass energy of 318 GeV using an integrated luminosity of 15.9 pb(-1) collected with the ZEUS...

Measurement of proton-dissociative diffractive photoproduction of vector mesons at large momentum transfer at HERA (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Diffractive photoproduction of vector mesons, gammap → VY, where Y is a proton-dissociative system, has been measured in e(+)p interactions with the ZEUS detector at HERA using an integrated...

Measurement of subjet multiplicities in neutral current deep inelastic scattering at HERA and determination of alpha(s) (2003)

Chekanov, S., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., Repond, J., ...

The subjet multiplicity has been measured in neutral current e(+) p interactions at Q(2) gt 125 GeV2 with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb(-1). Jets were identified...

Measurement of the open-charm contribution to the diffractive proton structure function (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

Production of D*+/-(2010) mesons in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 82 pb(-1). Diffractive events were...

Measurements of inelastic J/psi and psi'photoproduction at HERA (2003)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

The cross sections for inelastic photoproduction of J/psi and psi' mesons have been measured in ep collisions with the ZEUS detector at HERA, using an integrated luminosity of 38.0 pb(- 1). The...

Scaling violations and determination of alpha(s) from jet production in gamma p interactions at HERA (2003)

Chekanov, S., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., Repond, J., ...

Differential cross sections for jet photoproduction in the reaction ep → e jet X have been measured with the ZEUS detector at HERA using 82.2 pb(-1) of integrated luminosity. Inclusive jet cross...

Search for resonance decays to lepton plus jet at DESY HERA and limits on leptoquarks (2003)

Chekanov, S., Derrick, M., Krakauer, D., Loizides, J.H., Magill, S., Musgrave, B., ...

A search for narrow-width resonances that decay into electron+jet or neutrino+jet has been performed with the ZEUS detector at the DESY ep collider HERA operating at center-of- mass energies of 300...

Searches for excited fermions in ep collisions at HERA (2002)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

Searches in ep collisions for heavy excited fermions have been performed with the ZEUS detector at HERA. Excited states of electrons and quarks have been searched for in e/sup +/p collisions at a...

Leading neutron production in e+p collisions at HERA (2002)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., Repond, J., ...

The production of neutrons carrying at least 20% of the proton beam energy (x/sub L/ gt 0.2) in e/sup +/ p collisions has been studied with the ZEUS detector at HERA for a wide range of Q/sup 2/, the...

Dijet photoproduction at HERA and the structure of the photon (2002)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

The dijet cross section in photoproduction has been measured with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb/sup -1/. The events were required to have a virtuality of the...

High-mass dijet cross sections in photoproduction at HERA (2002)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

Dijet differential cross sections for the reaction e/sup +/p to e/sup +/+jet+jet+X in the photoproduction regime have been measured with the ZEUS detector at HERA using an integrated luminosity of...

Measurement of the photon-proton total cross section at a center-of-mass energy of 209 GeV at HERA (2002)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

The photon-proton total cross section has been measured in the process e/sup +/p to e/sup +/ gamma p to e/sup +/X with the ZEUS detector at HERA. Events were collected with photon virtuality Q/sup 2/...

Properties of hadronic final states in diffractive deep inelastic ep scattering at DESY HERA (2002)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

Characteristics of the hadronic final state of diffractive deep inelastic scattering events ep to eXp were studied in the kinematic range 4 lt M/sub X/ lt 35 GeV, 4 lt Q/sup 2/ lt 150 GeV/sup 2/, 70...

Dijet production in neutral current deep inelastic scattering at HERA (2002)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

Dijet cross sections in neutral current deep inelastic ep scattering have been measured in the range 10 lt Q/sup 2/ lt 10/sup 4/ GeV/sup 2/ with the ZEUS detector at HERA using an integrated...

Exclusive photoproduction of J/psi mesons at HERA (2002)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., Repond, J., ...

The exclusive photoproduction of J/psi mesons, gammap → J/psip, has been studied in ep collisions with the ZEUS detector at HERA, in the kinematic range 20 lt W lt 290 GeV, where W is the...

Inclusive jet cross sections in the Breit frame in neutral current deep inelastic scattering at HERA and determination of alphas (2002)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Inclusive jet differential cross sections have been measured in neutral current deep inelastic e(+)p scattering for boson virtualities Q(2) gt 125 GeV2. The data were taken using the ZEUS detector at...

Measurement of diffractive production of D-*+/- (2010) mesons in deep-inelastic scattering at HERA (2002)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Diffractive production of D*+/-(2010) mesons in deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 44.3 pb(-1). Diffractive charm production...

Measurement of high-Q(2) charged current cross sections in e(- )p deep inelastic scattering at HERA (2002)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Repond, J., Yoshida, R., ...

Cross sections for e(-)p charged current deep inelastic scattering have been measured at a centre-of-mass energy of 318 GeV with an integrated luminosity of 16.4 pb(-1) using the ZEUS detector at...

Measurement of the Q(2) and energy dependence of diffractive interactions at HERA (2002)

Chekanov, S., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., Repond, J., ...

Diffractive dissociation of virtual photons, gamma*p → Xp, has beer, studied ill ep interactions with the ZEUS detector at HERA. The data cover photon virtualities 0.17 lt Q(2) lt 0.70 GeV and 3 lt...

Search for lepton-flavor violation in e(+)p collisions at DESY HERA (2002)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

A search has been made for lepton-flavor-violating interactions of the type e(+)p→lX, where l denotes a mu or tau with high transverse momentum, at a center-of-mass energy roots of 300 GeV with an...

Three-jet production in diffractive deep inelastic scattering at HERA (2001)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

Three-jet production in the reaction ep to eXp has been studied with the ZEUS detector at HERA using an integrated luminosity of 42.74 pb/sup -1/. The data were measured in the kinematic region 5 lt...

Study of the effective transverse momentum of partons in the proton using prompt photons in photoproduction at HERA (2001)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

The photoproduction of prompt photons, together with an accompanying jet, has been measured with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb/sup -1/. A study of the effective...

Measurement of open beauty production in photoproduction at HERA (2001)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

The production and semi-leptonic decay of heavy quarks have been studied in the photoproduction process e/sup +/p to e/sup +/+dijet+e/sup -/+X with the ZEUS detector at HERA using an integrated...

Measurement of dijet production in neutral current deep inelastic scattering at high Q(2) and determination of alpha(s) (2001)

Breitweg, J., Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., ...

Dijet production has been studied in neutral current deep inelastic e(+)p scattering for 470 lt Q(2) lt 20000 GeV2 with the ZEUS detector at HERA using an integrated luminosity of 38.4 pb(-1). Dijet...

Measurement of the neutral current cross section and F-2 structure function for deep inelastic e(+)p scattering at HERA (2001)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

The cross section and the proton structure function F-2 fur neutral current deep inelastic e(+)p scattering have been measured with the ZEUS detector at HERA using an integrated luminosity of 30...

Multiplicity moments in deep inelastic scattering at HERA (2001)

Chekanov, S., Derrick, M., Krakauer, D., Magill, S., Musgrave, B., Pellegrino, A., ...

Multiplicity moments of charged particles in deep inelastic e(+) p scattering have been measured with the ZEUS detector at HERA using an integrated luminosity of 38.3 pb(-1). The moments for Q(2) gt...

E. G. Boos

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