Saturation physics and angular correlations at RHIC and LHC
Jamal Jalilian-Marian
TL;DR
This paper explores how angular correlations between pions and photons in high-energy nuclear collisions can reveal saturation effects of gluons, using the Color Glass Condensate framework to make predictions for experiments at RHIC and LHC.
Contribution
It provides theoretical predictions for pion-photon angular correlations in deuteron-gold and proton-lead collisions, highlighting their potential to probe gluon saturation effects.
Findings
Predicted angular correlation patterns at different rapidities and transverse momenta.
Emphasized the role of saturation dynamics in high gluon density regimes.
Suggested measurements could confirm saturation physics at RHIC and LHC.
Abstract
We investigate the angular correlation between pions and photons produced in deuteron-gold collisions at RHIC and proton-lead collisions at LHC using the Color Glass Condensate formalism and make predictions for the dependence of the production cross section on the angle between the pion and photon at different rapidities and transverse momenta. Measuring this dependence would shed further light on the role of high gluon density and saturation dynamics at RHIC and LHC.
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