Nonprompt direct-photon production in Au$+$Au collisions at $\sqrt{s_{{}_{NN}}}=200$ GeV

U. A. Acharya, A. Adare, C. Aidala +332

The measurement of the direct-photon spectrum from Au$+$Au collisions at $\sqrt{s_{{}_{NN}}}=200$ GeV is presented by the PHENIX collaboration using the external-photon-conversion te…