Complete next-to-leading order corrections for direct photon production by polarized beam and target

Apr 20, 1993
11 pages
Published in:
  • Phys.Lett.B 304 (1993) 329-333
Report number:
  • MCGILL-93-7

Citations per year

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Abstract: (Elsevier)
Complete next-to-leading order corrections (HOC) to large- p T direct photon production by a longitudinally polarized proton beam and target are determined; the calculation involves one-loop corrections to g → q → →γq and q → q → ̄ →γg as well as the subprocesses g → g → →γq q q → q → →γqq . K -factors well exceeding unity and polarized cross sections well measurable are found. Certain aspects of the HOC are also discussed.
  • p p: inclusive reaction
  • p: polarized beam
  • polarized beam: p
  • p: polarized target
  • polarized target: p
  • photon: direct production
  • direct production: photon
  • transverse momentum: high
  • polarization: longitudinal
  • longitudinal: polarization