4.7 Article

Measurement of beauty production in DIS and F2b(b)over-bar extraction at ZEUS

Journal

EUROPEAN PHYSICAL JOURNAL C
Volume 69, Issue 3-4, Pages 347-360

Publisher

SPRINGER
DOI: 10.1140/epjc/s10052-010-1423-2

Keywords

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Funding

  1. US Department of Energy
  2. Italian National Institute
  3. Science and Technology Facilities Council, UK
  4. Malaysian government
  5. US National Science Foundation
  6. Polish Ministry of Science and Higher Education [DPN/N188/DESY/2009]
  7. Polish Ministry of Science and Higher Education
  8. Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT)
  9. Korean Ministry of Education
  10. Korea Science and Engineering Foundation
  11. FNRS
  12. IISN
  13. FRIA
  14. Belgian Federal Science Policy Office
  15. Spanish Ministry of Education and Science
  16. Natural Sciences and Engineering Research Council of Canada (NSERC)
  17. German Federal Ministry for Education and Research (BMBF)
  18. RF Presidential grant [N 1456.2008.2]
  19. Russian Ministry of Education and Science
  20. Netherlands Foundation for Research on Matter (FOM)
  21. Israel Science Foundation
  22. MINERVA Gesellschaft fur Forschung GmbH
  23. Israel Science Foundation [293/02-11.2]
  24. US-Israel Binational Science Foundation
  25. STFC [ST/H001026/1, ST/H001026/2, ST/H001077/1, ST/H000992/1] Funding Source: UKRI
  26. Science and Technology Facilities Council [ST/H001077/1, ST/H000992/1, ST/H001026/2, ST/H001026/1] Funding Source: researchfish

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Beauty production in deep inelastic scattering with events in which a muon and a jet are observed in the final state has been measured with the ZEUS detector at HERA using an integrated luminosity of 114 pb(-1). The fraction of events with beauty quarks in the data was determined using the distribution of the transverse momentum of the muon relative to the jet. The cross section for beauty production was measured in the kinematic range of photon virtuality, Q (2)> 2 GeV2, and inelasticity, 0.05 < y < 0.7, with the requirement of a muon and a jet. Total and differential cross sections are presented and compared to QCD predictions. The beauty contribution to the structure function F (2) was extracted and is compared to theoretical predictions.

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