{"paper":{"title":"Photon production through $A_1$ resonance in high energy heavy ion collisions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"E. Shuryak, G. E. Brown, L. Xiong","submitted_at":"1992-08-04T18:21:04Z","abstract_excerpt":"Electromagnetic radiation from excited hadronic matter is one of the best ways to study the properties of the matter.\n  Considering various processes in the hadronic gas, Kapusta et al \\cite{Kapusta_photons} have found a $\\pi\\rho \\rightarrow \\pi\\gamma$ reaction with intermediate virtual pion or rho to be the main source of photons with energy greater than 0.7 GeV.\n  However, at temperatures considered T=100-200 MeV, a $\\pi\\rho$ pair can easily form an $A_1$(1260) resonance, and we show that this mechanism leads to the photon production rates exceeding those suggested previously. The paper is i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9208206","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}