Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 72, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-012-2148-1
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Funding
- Helmholtz Association (HGF) [VH-NG-401]
- 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]
- 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]
- DESY directorate
- STFC [PP/E000355/1, ST/L001195/1, ST/K000705/1, ST/H001069/2, ST/H00100X/2, ST/H00100X/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K001310/1 LHCb Upgrades, ST/H00100X/2, ST/K001310/1, ST/K001310/1 ATLAS Upgrades, PP/E000355/1, ST/H00100X/1, ST/K000705/1, ST/L001195/1, ST/M001474/1, ST/K001310/1 ATLAS, ST/H001069/2, ST/K001418/1, ST/K001310/1 LHCb] Funding Source: researchfish
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The cross section for ep -> eb (b) over barX in photoproduction is measured with the H1 detector at the ep-collider HERA. The decay channel b (b) over bar -> eeX' is selected by identifying the semi-electronic decays of the b-quarks. The total production cross section is measured in the kinematic range given by the photon virtuality Q(2) <= 1 GeV2, the inelasticity 0.05 <= y <= 0.65 and the pseudorapidity of the b-quarks vertical bar eta(b)vertical bar, vertical bar eta((b) over bar)vertical bar <= 2. The differential production cross section is measured as a function of the average transverse momentum of the beauty quarks < P-T(b)> down to the threshold. The results are compared to next-to-leading-order QCD predictions.
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