Measurement of dijet production in diffractive deep-inelastic scattering with a leading proton at HERA
H1 Collaboration (ukupan broj autora: 203)
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The cross section of diffractive deep-inelastic scattering ep - GT eXp is measured, where the system X contains at least two jets and the leading final state proton is detected in the H1 Forward Proton Spectrometer. The measurement is performed for fractional proton longitudinal momentum loss x(P) LT 0.1 and covers the range 0.1 LT vertical bar t vertical bar LT 0.7 GeV2 in squared four-momentum transfer at the proton vertex and 4 LT Q(2) LT 110 GeV2 in photon virtuality. The differential cross sections extrapolated to vertical bar t vertical bar LT 1 GeV2 are in agreement with next-to-leading order QCD predictions based on diffractive parton distribution functions extracted from measurements of inclusive and dijet cross sections in diffractive deep-inelastic scattering. The data are also compared with leading order Monte Carlo models.
Извор:European Physical Journal C. Particles and Fields, 2012, 72, 4
- DESY directorate, Bundesministerium fur Bildung und Forschung, FRG [05H09GUF, 05H09VHC, 05H09VHF, 05H16PEA], UK Science and Technology Facilities Council, UK Particle Physics and Astronomy Research Council, FNRS-FWO-Vlaanderen, IISN-IIKW, IWT, Interuniversity Attraction Poles Programme, Belgian Science Policy, Polish Ministry of Science and Higher Education [DPN/N168/DESY/2009], Deutsche Forschungsgemeinschaft, VEGA SR [2/7062/27], Swedish Natural Science Research Council, Ministry of Education of the Czech Republic [LC527, INGO-LA09042, MSM0021620859], Swiss National Science Foundation, CONACYT, Mexico [48778-F], Russian Foundation for Basic Research (RFBR) [1329.2008.2], Rosatom, European Social Fund, National Resources, Romanian National Authority for Scientific Research [PN 09370101], Ministry of Science of Montenegro [05-1/3-3352], Helmholtz Association (HGF) [VH-NG-401]