Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2000-10-10
Nucl.Phys.B596:3-29,2001
Physics
High Energy Physics
High Energy Physics - Experiment
28 pages, 9 figures, accepted by Nuclear Physics B, correction to neutron yield
Scientific paper
10.1016/S0550-3213(00)00612-X
Differential cross sections for dijet photoproduction in association with a leading neutron using the reaction e^+ + p --> e^+ + n + jet + jet + X_r have been measured with the ZEUS detector at HERA using an integrated luminosity of 6.4 pb^{-1}. The fraction of dijet events with a leading neutron in the final state was studied as a function of the jet kinematic variables. The cross sections were measured for jet transverse energies E^{jet}_T > 6 GeV, neutron energy E_n > 400 GeV, and neutron production angle theta_n < 0.8 mrad. The data are broadly consistent with factorization of the lepton and hadron vertices and with a simple one-pion-exchange model.
Breitweg J.
ZEUS Collaboration
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