Combined inclusive diffractive cross sections measured with forward proton spectrometers in deep inelastic ep scattering at HERA
ZEUS Collaboration (ukupan broj autora: 500)
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A combination of the inclusive diffractive cross section measurements made by the H1 and ZEUS Collaborations at HERA is presented. The analysis uses samples of diffractive deep inelastic ep scattering data at a centre-of-mass energy root s = 318 GeV where leading protons are detected by dedicated spectrometers. Correlations of systematic uncertainties are taken into account, resulting in an improved precision of the cross section measurement which reaches 6 % for the most precise points. The combined data cover the range 2.5 LT Q(2) LT 200 GeV2 in photon virtuality, 0.00035 LT x(P) LT 0.09 in proton fractional momentum loss, 0.09 LT vertical bar t vertical bar LT 0.55 GeV2 in squared four-momentum transfer at the proton vertex and 0.0018 LT beta LT 0.816 in beta = x/x(P), where x is the Bjorken scaling variable.
Извор:European Physical Journal C. Particles and Fields, 2012, 72, 10
- Initiative and Networking Fund of the Helmholtz Association (HGF) [VH-NG-401, S0-072], Max Planck Institute for Physics, Munich, Germany, Polish National Science Centre [DEC-2011/01/BST2/03643], Warsaw University, Poland, DESY, Germany, Russian Foundation for Basic Research [11-02-91345-DFG_a], National Science Foundation, Bundesministerium fur Bildung und Forschung, FRG [05H09GUF, 05H09VHC, 05H09VHF, 05H16PEA], FNRS-FWO-Vlaanderen, IISN-IIKW, IWT, Interuniversity Attraction Poles Programme, Belgian Science Policy, Polish Ministry of Science and Higher Education [DPN/N168/DESY/2009, DPN/N188/DESY/2009], 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], Romanian National Authority for Scientific Research [PN 09370101], Ministry of Science of Montenegro [05-1/3-3352], US Department of Energy, Italian National Institute for Nuclear Physics (INFN), German Federal Ministry for Education and Research (BMBF) [05H09GUF, 05 H09PDF], Science and Technology Facilities Council, UK, FRGS from the Malaysian government, US National Science Foundation, Polish Ministry of Science and Higher Education, Deutsche Forschungsgemeinschaft (DFG) [SFB 676], Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT), Korean Ministry of Education, Korea Science and Engineering Foundation, FNRS, Inter-University Attraction Poles Programme, Belgian Federal Science Policy Office, Spanish Ministry of Education and Science through CICYT, Natural Sciences and Engineering Research Council of Canada (NSERC), German Federal Ministry for Education and Research (BMBF), RF [N 4142.2010.2], Russian Ministry of Education and Science [02.740.11.0244], Netherlands Foundation for Research on Matter (FOM), Israel Science Foundation, [1 P03B 04529]