Asymmetry of prompt photon production in p-p collisions at RHIC
G.P.Skoro (1), M.Zupan (2), M.V.Tokarev (3) ((1) Institute of, Nuclear Sciences "Vinca", Faculty of Physics, University of Belgrade,, Belgrade, Yugoslavia, (2) Institute of Nuclear Sciences "Vinca", Belgrade,, Yugoslavia, (3) Laboratory of High Energies
TL;DR
This paper investigates prompt photon production in proton-proton collisions at RHIC, focusing on spin asymmetries, background analysis, and potential to determine gluon polarization sign using Monte Carlo simulations.
Contribution
It introduces a detailed Monte Carlo study of spin-dependent prompt photon production and background discrimination at RHIC energies.
Findings
Predicted longitudinal asymmetry for prompt photons and pi0-meson production.
Analysis of background effects such as pi0 decay.
Discussion on discriminating gluon polarization sign.
Abstract
The prompt photon production in p-p collisions at high energies is studied. Double-spin asymmetry of the process is calculated by using Monte Carlo code SPHINX. A possibility to discriminate the spin-dependent gluon distributions and to determine sign of Delta G is discussed. Detailed study of expected background, such as pi0 production and decay, is given. The predictions for the longitudinal asymmetry of the prompt photons and pi0-meson production in the p-p collisions at RHIC energies have been made.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Particle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions