Speaker
Lusaka Bhattacharya
(Saha Institute of Nuclear Physics)
Description
We discuss the role of collisional energy loss on high $p_T$ 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 ($\alpha_s$) 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 $\alpha_s$ 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.
Primary author
Lusaka Bhattacharya
(Saha Institute of Nuclear Physics)
