{"paper":{"title":"Decay phi->pi+pi-","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.A.Korol, A.A.Salnikov, A.A.Valishev, A.D.Bukin, A.V.Berdyugin, A.V.Bozhenok, A.V.Vasiljev, D.A.Bukin, D.I.Ganyushin, E.A.Perevedentsev, E.V.Pakhtusova, I.A.Gaponenko, K.I.Beloborodov, M.N.Achasov, M.S.Dubrovin, P.M.Ivanov, S.I.Serednyakov, S.V.Burdin, S.V.Koshuba, T.V.Dimova, V.A.Sidorov, V.B.Golubev, V.N.Ivanchenko, V.P.Druzhinin, V.V.Shary, Yu.M.Shatunov, Z.K.Silagadze","submitted_at":"2000-01-21T10:58:29Z","abstract_excerpt":"The process e+e- ->pi+pi- has been studied with the SND detector at VEPP-2M e+e- collider in the vicinity of phi(1020) resonance. From the analysis of the energy dependence of measured cross section the branching ratio B(phi->pi+pi-)=(7.1+-1.1+-0.9)*10^{-5} and the phase psi_pi=-(34+-4+-3)degrees of interference with the non-resonant pi+pi- production amplitude were obtained."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0001048","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ex/0001048/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}