{"paper":{"title":"Anomalous mesonic interactions near a chiral phase transition","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Robert D. Pisarski","submitted_at":"1996-01-23T17:36:10Z","abstract_excerpt":"Using constituent quarks coupled to a linear sigma model at nonzero temperature, I show that many anomalous mesonic amplitudes, such as $\\pi^0 \\rightarrow \\gamma \\gamma$, vanish in a chirally symmetric phase. Processes which are allowed, such as $\\pi^0 \\sigma \\rightarrow \\gamma \\gamma$, are computed to leading order in a loop expansion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9601316","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"}