Thermal photons from $πρ\ra πγ$ revisited

Alam, Jan-e; Roy, Pradip; Sarkar, Sourav

Thermal photons from $πρ\ra πγ$ revisited

Authors

Alam, Jan-e

Roy, Pradip

Sarkar, Sourav

Description

We evaluate the photon spectra from the reaction $πρ\ra πγ$ for the exchange of $π$, $ρ$, $ω$, $ϕ$ and $a_1$ as intermediary mesons. It is found that the contributions from the intermediary $a_1$ is more than any other meson exchange processes up to photon energies 2.5 GeV.
2 pages with one eps file for figure