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arxiv: 1502.01683 · v1 · submitted 2015-02-05 · ✦ hep-ex

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Diffractive Dijet Production with a Leading Proton in ep Collisions at HERA

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classification ✦ hep-ex
keywords diffractiveprotoncrossdeep-inelasticleadingscatteringcalculationscentre-of-mass
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The cross section of the diffractive process e^+p -> e^+Xp is measured at a centre-of-mass energy of 318 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 with photon virtualities Q^2 <2 GeV^2 and in deep-inelastic scattering with 4 GeV^2<Q^2<80 GeV^2. 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.

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