QCD corrections to hadronic [ital W][gamma] production with nonstandard [ital WW][gamma] couplings

Journal Article · Wed Dec 01 04:00:00 EST 1993 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.48.5140· OSTI ID:5802816

Baur, U ^[1]; Han, T ^[2]; Ohnemus, J ^[3]

---

1. Department of Physics, Florida State University, Tallahassee, Florida 232306 (United States)
2. Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, Illinois 60510 (United States)
3. Department of Physics, University of Durham, Durham, DH1 3LE (United Kingdom)

The process [ital pp][sup ([minus])][r arrow][ital W][sup [plus minus]][gamma]+[ital X][r arrow][ital l][sup [plus minus]][nu][gamma]+[ital X] is calculated to [ital O]([alpha][sub [ital s]]) for general [ital CP]-conserving [ital WW][gamma] couplings. At the Fermilab Tevatron center-of-mass energy, the QCD corrections to [ital W][sub [gamma]] production are modest, and the Born and inclusive [ital O]([alpha][sub [ital s]]) cross sections have similar sensitivities to the effects of anomalous couplings. At supercollider energies, the inclusive QCD corrections are large at high photon transverse momenta, reducing the sensitivity to nonstandard [ital WW][gamma] couplings by up to a factor 2. The size of the QCD corrections can be reduced significantly, and a large fraction of the sensitivity lost can be regained, if a jet veto is imposed.

• DOE Contract Number: FG05-87ER40319
• OSTI ID: 5802816
• Journal Information: Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 48:11; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

662230 -- Quantum Chromodynamics-- (1992-)
662340* -- Hadron Interactions-- (1992-)
662440 -- Properties of Other Particles Including Hypothetical Particles-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BOSONS
CALCULATION METHODS
CORRECTIONS
COUPLING
CP INVARIANCE
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
FERMILAB TEVATRON
FIELD THEORIES
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
INVARIANCE PRINCIPLES
LINEAR MOMENTUM
MASSLESS PARTICLES
MATHEMATICAL MODELS
MONTE CARLO METHOD
PARTICLE MODELS
PARTICLE PRODUCTION
PHOTONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
STANDARD MODEL
SYNCHROTRONS
TRANSVERSE MOMENTUM
UNIFIED GAUGE MODELS
W MINUS BOSONS
W PLUS BOSONS