2011/01/20 by Lusaka Bhattacharya, Pradip Roy
Physics and Astronomy · #Atomic physics #Beam (structure) #Coupling (piping) #Diffusion #Distribution function #High-Energy Particle Collisions Research #Jet (fluid) #Jet quenching #Mechanics #Momentum (technical analysis) #Momentum diffusion #Nuclear physics #Particle physics theoretical and experimental studies #Phase space #Photon #Physics #Plasma #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quantum mechanics #Quark–gluon plasma #Turbulence #hep-ph #nucl-th
paper · pdf · doi:10.1088/0954-3899/38/4/045001
published as J.Phys.G38:045001,2011 · 8 pages, 8 eps figures, To appear in Journal of Physics G
arxiv created 2011/01/20 · openalex publication_date 2011/02/08 · arxiv updated 2015/03/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We discuss the role of collisional energy loss on high pT photon data measured by PHENIX collaboration by calculating photon yield in jet-plasma interaction. The phase space distribution of the participating jet is dynamically evolved by solving Fokker-Planck equation. We treat the strong coupling constant (αs) as function of momentum and temperature while calculating the drag and diffusion coefficients. It is observed that the quenching factor is substantially modified as compared to the case when αs is taken as constant. It is shown that the data is reasonably well reproduced when contributions from all the relevant sources are taken into account. Predictions at higher beam energies relevant for LHC experiment have been made.