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Heavy flavor contributions to the Drell-Yan cross-section

Jan, 1995
31 pages
Published in:
  • Phys.Rev.D 52 (1995) 149-161
e-Print:
DOI:
Report number:
  • INLO-PUB-1-95
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Abstract: (DESY)
We investigate the effect of heavy flavor contributions to vector boson (VV = γ\gamma, ZZ, WW) production which is described by the Drell-Yan mechanism. All reactions with bottom and top quarks (QiQ_i = bb, tt) in the final state, like q1+qˉ2→V+Q1+Qˉ2q_1 + \bar{q}_2\rightarrow V + Q_1 + \bar{Q}_2 and g+g→V+Q1+Qˉ2g + g\rightarrow V + Q_1 + \bar{Q}_2, are considered. This study also includes the virtual contributions containing heavy flavor loops which were not taken into account earlier in the literature. Our analysis reveals that the above corrections to the Drell-Yan cross section are very small. Only at energies characteristic for the LHC they are of the same order of magnitude as the order \alphastwoQCD contributions due to light quark and gluon subprocesses calculated earlier in the literature.
  • hadron hadron: interaction
  • interaction: hadron hadron
  • gauge boson: hadroproduction
  • hadroproduction: gauge boson
  • heavy quark
  • quark: pair production
  • pair production: quark
  • Drell-Yan process
  • quark antiquark: annihilation
  • annihilation: quark antiquark
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