Speaker
Amir Rezaeian
(Universidad Tecnica Federico Santa Maria)
Description
I will present the recent analysis of the photon-jet correlations in the Color Glass Condensate (CGC) framework in proton-proton and proton-nucleus collisions at RHIC and the LHC. I show that photon-jet correlations exhibit long-range in rapidity ridge-like structure at low transverse momenta of the produced jet and photon in high-multiplicity events. These features are strikingly similar to the observed ridge effect for di-hadron correlations at RHIC and the LHC. I show that photon-jet correlations at small-x kinematics probe the gluon saturation dynamics and such measurements can help to understand the true origin of the observed di-hadron ridge in p+A collisions, and address whether the ridge is an universal phenomenon for all two particle correlations at high energy and high multiplicity events. I will also talk if there is a ridge-like structure for photon-hadron correlation at RHIC and the LHC, and discuss how the hadronization of jet can affect the photon-jet correlations.
Primary author
Amir Rezaeian
(Universidad Tecnica Federico Santa Maria)
