Leading proton production in deep inelastic scattering at HERAстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The semi-inclusive reaction e + p → e + Xp was studied with the ZEUS detector at HERA with an integrated luminosity of 12.8 pb −1 . The final-state proton, which was detected with the ZEUS leading proton spectrometer, carried a large fraction of the incoming proton energy, x L > 0.32, and its transverse momentum squared satisfied p T 2 < 0.5 GeV 2 ; the exchanged photon virtuality, Q 2 , was greater than 3 GeV 2 and the range of the masses of the photon-proton system was 45 < W < 225 GeV. The leading proton production cross section and rates are presented as a function of x L , p T 2 , Q 2 and the Bjorken scaling variable, x .