Medium-Modification of Photon-Tagged Jets in AA Collisions

Аннотация

We study nuclear modification of the photon-tagged jets in AA collisions within the jet quenching scheme based on the light-cone path integral approach to the induced gluon emission. The calculations are performed for running coupling. Collisional energy loss is treated as a perturbation to the radiative mechanism. We obtain a reasonable agreement with the recent data from the STAR Collaboration on the mid-rapidity nuclear modification factor I_AA for Au+Au collisions at \(\sqrt s \)= 200 GeV for parametrization of running α_s consistent with that necessary for description of the data on suppression of the high-p_T spectra.