{"paper":{"title":"Mechanisms of the reaction pi^-p --> a^0_0(980)n --> p-^0 eta n at high energies","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"G.N. Shestakov (Laboratory of Theoretical Physics, N.N. Achasov, S.L. Sobolev Institute for Mathematics)","submitted_at":"1996-10-18T09:45:29Z","abstract_excerpt":"The main dynamical mechanisms of the reaction $\\pi^-p \\rightarrow a^0_0 (980)n \\rightarrow \\pi^0\\eta n$ at high energies, currently investigated at Serpukhov and Brookhaven, are considered in detail. It is shown that the observed forward peak in its differential cross section can be explained within the framework of the Regge pole model only by the conspiring $\\rho_2$ Regge pole exchange. The tentative estimates of the absolute $\\pi^-p \\rightarrow a^0_0(980)n \\rightarrow \\pi^0\\eta n$ reaction cross section at $P_{lab}^{\\pi^-} = 18$ GeV/c are obtained: $\\sigma\\approx200$ nb and, in the forward "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9610409","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"}