Direct photon production at CERN ISR, CERN collider, and Fermilab Tevatron energies

Predictions are presented for large-p/sub T/ direct photon production in p-barp collisions at CERN ISR (..sqrt..s = 63 GeV), CERN collider (540 GeV), and Fermilab Tevatron (1600 GeV) energies in perturbative QCD. Two sets of gluon and other parton distributions determined from deep-inelastic scatter...

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Veröffentlicht in:	Phys. Rev. D; (United States) 1984-01, Vol.29 (11), p.2527-2534
Hauptverfasser:	Argyres, E. N., Contogouris, A. P., Sanielevici, M., Tanaka, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	BARYON-BARYON INTERACTIONS BREMSSTRAHLUNG CERN ISR CROSS SECTIONS DEEP INELASTIC SCATTERING DIFFERENTIAL CROSS SECTIONS ELECTROMAGNETIC RADIATION ELEMENTARY PARTICLES ENERGY RANGE FIELD THEORIES GLUONS HADRON-HADRON INTERACTIONS INELASTIC SCATTERING INTERACTIONS LEPTON-BARYON INTERACTIONS LEPTON-HADRON INTERACTIONS LEPTON-NUCLEON INTERACTIONS LINEAR MOMENTUM MASSLESS PARTICLES NUCLEON-ANTINUCLEON INTERACTIONS PARTICLE INTERACTIONS PARTICLE PRODUCTION PARTONS PERTURBATION THEORY PHOTONS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS POSTULATED PARTICLES PROTON-ANTIPROTON INTERACTIONS QUANTUM CHROMODYNAMICS QUANTUM FIELD THEORY RADIATIONS SCATTERING STORAGE RINGS 645202 > High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties TEV RANGE TRANSVERSE MOMENTUM
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Beschreibung
Zusammenfassung:	Predictions are presented for large-p/sub T/ direct photon production in p-barp collisions at CERN ISR (..sqrt..s = 63 GeV), CERN collider (540 GeV), and Fermilab Tevatron (1600 GeV) energies in perturbative QCD. Two sets of gluon and other parton distributions determined from deep-inelastic scattering are used. Higher-order corrections (K factors) are approximately taken into account. Contributions from photon bremsstrahlung graphs and the related fractions of photon events accompanied by hadrons are presented and discussed in detail.
ISSN:	0556-2821
DOI:	10.1103/PhysRevD.29.2527