44 Result(s)
within
Elementary Particles, Quantum Field Theory
Nuclear Physics, Heavy Ions, Hadrons
K. R. Long
Article
-
Article
Measurement of open beauty production at HERA in the D*μ final state
The production of beauty quarks with a \(D^{\ast\pm}\) and a muon in the final state has been measured with the ZEUS de...
-
Article
Search for stop production in R-parity-violating supersymmetry at HERA
A search for stop production in R-parity-violating supersymmetry has been performed in e+p interactions with the ZEUS detector at HERA, using an integrated luminosity of 65 pb-1. At HERA, the R-parity-violating c...
-
Article
Photoproduction of events with rapidity gaps between jets at HERA
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 luminosit...
-
Article
Measurement of K0 S, Λ and Λ̄ production at HERA
The production of the neutral strange hadrons K0 S, Λ and Λ̄ has been measured in ep collisions at HERA using the ZEUS detector. Cross sections, baryon-to-meson ratios, relative yields of strange and charged ligh...
-
Article
Measurement of azimuthal asymmetries in neutral current deep inelastic scattering at HERA
The distribution of the azimuthal angle of charged and neutral hadrons relative to the lepton plane has been studied for neutral current deep inelastic ep scattering using an integrated luminosity of 45 pb-1 take...
-
Article
Diffractive photoproduction of D*±(2010) at HERA
Diffractive photoproduction of D*±(2010) mesons was measured with the ZEUS detector at the ep collider HERA, using an integrated luminosity of 78.6 pb-1. The D* mesons were reconstructed in the kinematic range: t...
-
Article
Forward-jet production in deep inelastic ep scattering at HERA
Forward jet cross sections have been measured in neutral current deep inelastic scattering at low Bjorken-x with the ZEUS detector at HERA using an integrated luminosity of 81.8 pb-1. Measurements are presented f...
-
Article
Dijet production in diffractive deep inelastic scattering at HERA
The production of dijets in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 61 pb-1. The dijet cross section has been measured for virtuali...
-
Article
Open AccessDiffractive photoproduction of dijets in ep collisions at HERA
Diffractive photoproduction of dijets was measured with the ZEUS detector at the ep collider HERA using an integrated luminosity of 77.2 pb-1. The measurements were made in the kinematic range Q2 < 1 GeV2, 0.20<y...
-
Article
Open AccessProduction of excited charm and charm-strange mesons at HERA
The production of excited charm, D 1(2420)0 and D 2 * (2460)0, and charm-strange, D ...
-
Article
Open AccessMeasurement of charged current deep inelastic scattering cross sections with a longitudinally polarised electron beam at HERA
Measurements of the cross sections for charged current deep inelastic scattering in e − p collisions with longitudinally polarised electron beams are presented. The...
-
Article
Open AccessMeasurement of high-Q 2 neutral current deep inelastic e − p scattering cross sections with a longitudinally polarised electron beam at HERA
Measurements of the neutral current cross sections for deep inelastic scattering in e − p collisions at HERA with a longitudinally polarised electron beam are prese...
-
Article
Open AccessSubjet distributions in deep inelastic scattering at HERA
Subjet distributions were measured in neutral current deep inelastic ep scattering with the ZEUS detector at HERA using an integrated luminosity of 81.7 pb−1. Jets were identified using the k ...
-
Article
Open AccessMeasurement of D ± and D 0 production in deep inelastic scattering using a lifetime tag at HERA
The production of D ±- and D 0-mesons has been measured with the ZEUS detector at HERA using an integrated luminosity of 133.6 pb−1. The measurements cover the kinematic range 5<Q ...
-
Article
Open AccessMeasurement of charm and beauty production in deep inelastic ep scattering from decays into muons at HERA
The production of charm and beauty quarks in ep interactions has been measured with the ZEUS detector at HERA for squared four-momentum exchange Q 2>20 GeV2, using an integrated luminosity...
-
Article
Open AccessMeasurement of beauty production in DIS and extraction at ZEUS
Beauty production in deep inelastic scattering with events in which a muon and a jet are observed in the final state has been measured with the ZEUS detector at HERA using an integrated luminosity of 114 pb−1. Th...
-
Article
Open AccessMeasurement of high-Q 2 charged current deep inelastic scattering cross sections with a longitudinally polarised positron beam at HERA
Measurements of the cross sections for charged current deep inelastic scattering in e + p collisions with a longitudinally polarised positron beam are presented. Th...
-
Article
Open AccessInclusive dijet cross sections in neutral current deep inelastic scattering at HERA
Single- and double-differential inclusive dijet cross sections in neutral current deep inelastic ep scattering have been measured with the ZEUS detector using an integrated luminosity of 374 pb−1. The measurement...
-
Article
Open AccessMeasurement of beauty production in deep inelastic scattering at HERA using decays into electrons
The production of beauty quarks in ep interactions has been studied with the ZEUS detector at HERA for exchanged four-momentum squared Q 2>10 GeV2, using an integrated luminosity of 363 pb
-
Article
Open AccessMeasurement of heavy-quark jet photoproduction at HERA
Photoproduction of beauty and charm quarks in events with at least two jets has been measured with the ZEUS detector at HERA using an integrated luminosity of 133 pb−1. The fractions of jets containing b and c qu...
