A note on the production of photons at RHIC
S. Frixione (CERN)
TL;DR
This paper examines how isolated photon production in polarized hadronic collisions can be used to measure the polarized gluon density in the proton, analyzing different isolation methods for improved accuracy.
Contribution
It explores the impact of various photon isolation prescriptions on the measurement of the polarized gluon distribution in proton collisions.
Findings
Isolation prescriptions significantly affect photon measurement accuracy
Polarized gluon density can be probed via isolated photon data
Methodological considerations improve measurement feasibility
Abstract
I study the production of prompt photons in polarized hadronic collisions, considering different isolation prescriptions. In particular, I focus on the problem of the measurability of the polarized gluon density in the proton through isolated-photon data.
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