Photon Emission from a Medium-Modified Shower Evolution

Abstract

Photons from the interaction of a highly energetic jet with a thermal medium are an important contribution to the total photon yield measured in ultrarelativistic heavy-ion collisions and also an important probe to study the medium degrees of freedom. Previously this contribution has often been computed in the context of a leading parton energy loss approximation. In this work, jet-medium interaction photons are instead estimated using a medium-modified shower evolution model, where the energy degradation due to vacuum radiation prior to medium formation, the virtuality evolution of intermediate states and the photon emission from subleading shower partons is taken into account consistently. The results indicate that the leading parton energy loss approximation does not appear to work well for photon emission from jet-medium interaction.

5 pages, 3 figures

References in corpus (9)

• Q-PYTHIA: a medium-modified implementation of final state radiation
• A Monte Carlo Model for 'Jet Quenching'
• Incorporating Space-Time Within Medium-Modified Jet Event Generators
• Electromagnetic radiation from nuclear collisions at RHIC energies
• Parton shower evolution in a 3-d hydrodynamical medium
• Towards jet tomography: gamma-hadron correlations
• The physics of $Z^0/{\gamma }^{\ast }$-tagged jets at the LHC
• Enhancement of thermal photon production in event-by-event hydrodynamics
• Elastic energy loss with respect to the reaction plane in a Monte-Carlo model

Cited by in corpus (5)

• Direct real photons in relativistic heavy ion collisions
• Jet-like Correlations with Direct-Photon and Neutral-Pion Triggers at $\sqrt{s_{{}_{NN}}}=200$ GeV
• Direct Photons in Hydrodynamic Modeling of Relativistic Nuclear Collisions
• Charm energy loss and D-D correlations from a shower picture
• Jet-Triggered Photons from Back-Scattering Kinematics for Quark Gluon Plasma Tomography