Investigation of the inelastic electroproduction of J/psi mesons at the HERA collider within the semihard QCD approachстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The results of theoretical calculations within the semihard (kt-factorization) approach are compared with the latest data obtained in the ZEUS experiment at the HERA collider for the inelastic electroproduction of J/Psi mesons in the kinematical region specified by the inequalities 2 GeV2 < Q2 < 80 GeV2, 50 GeV < W < 250 GeV, 0.2 < z < 0.9, and −1.6 < ylab < 1.3. The dependence of these theoretical results on the choice of parametrization among three widely used parametrizations of unintegrated gluon distributions is studied.