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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Diffractive Dijet Production with Leading Proton in ep Collisions at HERA.
 Žlebčík, Radek ; Valkárová, Alice (advisor) ; Chýla, Jiří (referee) ; Levonian, Sergey (referee)
The cross section of the diffractive process e+p → e+Xp is measured at a centre-of-mass energies of 319 GeV, where the system X contains at least two jets and the leading final state proton p is detected in the H1 Very Forward Proton Spectrometer. The measurement is performed in photoproduction defined by photon virtualities Q2 < 2 GeV2 and in deep-inelastic scattering with 4 GeV2 < Q2 < 80 GeV2 . The results are compared to next-to-leading order QCD calculations based on diffractive parton distribution functions as extracted from measurements of inclusive cross sections in diffractive deep- inelastic scattering. A collinear QCD factorization theorem is tested against the measured cross sections and their ratios. 1
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Studium produkce dijetů ve fotoprodukčních interakcích na HERA
 Žlebčík, Radek ; Valkárová, Alice (advisor) ; Kupčo, Alexander (referee)
Recent experimental data on dijet cross section in diffractive photoproduction at HERA collider are analyzed with an emphasis on QCD factorization breaking effects. The possible sources of the contradiction in conclusions of H1 and ZEUS collaborations such as different hadronization corrections and different phase space of both analysis are studied.
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