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
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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
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