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Phys. Rev. Lett. 102, 192002 (2009) [7 pages]

Measurement of γ+b+X and γ+c+X Production Cross Sections in pp̅ Collisions at s=1.96  TeV

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V. M. Abazov et al. The DØ Collaboration
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Received 8 January 2009; published 12 May 2009

First measurements of the differential cross sections d3σ/(dpTγdyγdyjet) for the inclusive production of a photon in association with a heavy quark (b, c) jet are presented, covering photon transverse momenta 30<pTγ<150  GeV, photon rapidities |yγ|<1.0, jet rapidities |yjet|<0.8, and jet transverse momenta pTjet>15  GeV. The results are based on an integrated luminosity of 1  fb-1 in pp̅ collisions at s=1.96  TeV recorded with the D0 detector at the Fermilab Tevatron Collider. The results are compared with next-to-leading order perturbative QCD predictions.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.192002
DOI:
10.1103/PhysRevLett.102.192002
PACS:
13.85.Qk, 12.38.Qk