Diffractive dijet production with a leading proton in ep collisions at HERA

Andreev V; Baghdasaryan A; Begzsuren K; Belousov A; Belov P; Boudry V; Brandt G; Brinkmann M; Brisson V; Britzger D; Buniatyan A; Bylinkin A; Bystritskaya L; Campbell A J; Cantun Avila K B; Ceccopieri F; Cerny K; Chekelian V; Contreras J G; Cvach J; Dainton J B; Daum K; Diaconu C; Dobre M; Dodonov V; Dossanov A; Eckerlin G; Egli S; Elsen E; Favart L; Fedotov A; Feltesse J; Ferencei J; Fleischer M; Fomenko A

doi:10.1007/JHEP05(2015)056

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Diffractive dijet production with a leading proton in ep collisions at HERA

作者：Andreev V; Baghdasaryan A; Begzsuren K; Belousov A; Belov P; Boudry V; Brandt G; Brinkmann M; Brisson V; Britzger D; Buniatyan A; Bylinkin A; Bystritskaya L; Campbell A J; Cantun Avila K B; Ceccopieri F; Cerny K; Chekelian V; Contreras J G; Cvach J; Dainton J B; Daum K; Diaconu C; Dobre M; Dodonov V; Dossanov A; Eckerlin G; Egli S; Elsen E; Favart L; Fedotov A; Feltesse J; Ferencei J; Fleischer M; Fomenko A

来源：The Journal of High Energy Physics, 2015, 2015(5): 56.

DOI：10.1007/JHEP05(2015)056

摘要

The cross section of the diffractive process e(+)p -> e(+) Xp is measured at a centre-of-mass energy of 318GeV, 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 with photon virtualities Q(2) < 2GeV(2) and in deep-inelastic scattering with 4GeV(2) < Q(2) < 80GeV(2). The results are compared to nextto- leading order QCD calculations based on diffractive parton distribution functions as extracted from measurements of inclusive cross sections in diffractive deep-inelastic scattering.