{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:M4OLCZZ6PH7RMUB3N4UL7LXBD3","short_pith_number":"pith:M4OLCZZ6","schema_version":"1.0","canonical_sha256":"671cb1673e79ff16503b6f28bfaee11edaac0d8655413f2dcf8c781021a522d1","source":{"kind":"arxiv","id":"1109.5843","version":2},"attestation_state":"computed","paper":{"title":"Amplitude analyses of the decays chi_c1 -> eta pi+ pi- and chi_c1 -> eta' pi+ pi-","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. J. Sadoff, A. Lincoln, A. Powell, A. Ryd, A. Szczepaniak, A. Tomaradze, B. K. Heltsley, B. Xin, CLEO Collaboration: G. S. Adams, C. S. Park, C. Thomas, D. Besson, D. Cinabro, D. Cronin-Hennessy, D. G. Cassel, D. H. Miller, D. L. Hartill, D. L. Kreinick, D. M. Asner, D. Peterson, D. Riley, E. H. Thorndike, G. Bonvicini, G. Tatishvili, G. Wilkinson, H. Muramatsu, H. Vogel, I. P. J. Shipsey, J. Hietala, J. Insler, J. Libby, J. L. Rosner, J. Napolitano, J. P. Alexander, J. Rademacker, J. R. Patterson, J. Wiss, J. Yelton, J. Y. Ge, J. Zhu, K. K. Seth, K. M. Ecklund, K. Randrianarivony, K. W. Edwards, L. Gibbons, L. J. Pearson, L. Martin, L. M. Zhang, M. Artuso, M. J. Smith, M. Kornicer, M. R. Shepherd, M. Selen, N. Lowrey, P. Naik, P. Rubin, P. U. E. Onyisi, P. Zhou, R. A. Briere, R. Ehrlich, R. E. Mitchell, R. Mountain, S. Blusk, S. Das, S. Dobbs, S. Mehrabyan, S. Ricciardi, S. Stone, S. W. Gray, T. K. Pedlar, T. Skwarnicki, T. Xiao, V. E. Kuznetsov, W. M. Sun, X. Shi, Z. Metreveli","submitted_at":"2011-09-27T11:41:53Z","abstract_excerpt":"Using a data sample of 2.59 x 10^7 psi(2S) decays obtained with the CLEO-c detector, we perform amplitude analyses of the complementary decay chains chi_c1 -> eta pi+ pi- and chi_c1 -> eta' pi+ pi-. We find evidence for a P-wave eta' pi scattering amplitude, which, if interpreted as a resonance, would have exotic J^PC = 1^-+ and parameters consistent with the pi_1(1600) state reported in other production mechanisms. We also make the first observation of the decay a_0(980) -> eta' pi and measure the ratio of branching fractions B(a_0(980) -> eta' pi)/B(a_0(980) -> eta pi) = 0.064 +- 0.014 +- 0."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1109.5843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-09-27T11:41:53Z","cross_cats_sorted":[],"title_canon_sha256":"49d52e374501c3f5dae9ee21b9f00d5f587641f79b75b7bb11fb808407625662","abstract_canon_sha256":"39b4312e575a9bd15e60c3f24367ce60886a345bfdbaa15b8968f53acf6c1a50"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:05:03.604542Z","signature_b64":"39r88kQR6RPTLxCwKDGHKNNlSyVvYuomfJCfTlMZA2Yl/WQagC6yQdaaM3AfCK6dU4JHuflfVMUNSIMMBG3BBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"671cb1673e79ff16503b6f28bfaee11edaac0d8655413f2dcf8c781021a522d1","last_reissued_at":"2026-05-18T04:05:03.603824Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:05:03.603824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Amplitude analyses of the decays chi_c1 -> eta pi+ pi- and chi_c1 -> eta' pi+ pi-","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. J. Sadoff, A. Lincoln, A. Powell, A. Ryd, A. Szczepaniak, A. Tomaradze, B. K. Heltsley, B. Xin, CLEO Collaboration: G. S. Adams, C. S. Park, C. Thomas, D. Besson, D. Cinabro, D. Cronin-Hennessy, D. G. Cassel, D. H. Miller, D. L. Hartill, D. L. Kreinick, D. M. Asner, D. Peterson, D. Riley, E. H. Thorndike, G. Bonvicini, G. Tatishvili, G. Wilkinson, H. Muramatsu, H. Vogel, I. P. J. Shipsey, J. Hietala, J. Insler, J. Libby, J. L. Rosner, J. Napolitano, J. P. Alexander, J. Rademacker, J. R. Patterson, J. Wiss, J. Yelton, J. Y. Ge, J. Zhu, K. K. Seth, K. M. Ecklund, K. Randrianarivony, K. W. Edwards, L. Gibbons, L. J. Pearson, L. Martin, L. M. Zhang, M. Artuso, M. J. Smith, M. Kornicer, M. R. Shepherd, M. Selen, N. Lowrey, P. Naik, P. Rubin, P. U. E. Onyisi, P. Zhou, R. A. Briere, R. Ehrlich, R. E. Mitchell, R. Mountain, S. Blusk, S. Das, S. Dobbs, S. Mehrabyan, S. Ricciardi, S. Stone, S. W. Gray, T. K. Pedlar, T. Skwarnicki, T. Xiao, V. E. Kuznetsov, W. M. Sun, X. Shi, Z. Metreveli","submitted_at":"2011-09-27T11:41:53Z","abstract_excerpt":"Using a data sample of 2.59 x 10^7 psi(2S) decays obtained with the CLEO-c detector, we perform amplitude analyses of the complementary decay chains chi_c1 -> eta pi+ pi- and chi_c1 -> eta' pi+ pi-. We find evidence for a P-wave eta' pi scattering amplitude, which, if interpreted as a resonance, would have exotic J^PC = 1^-+ and parameters consistent with the pi_1(1600) state reported in other production mechanisms. We also make the first observation of the decay a_0(980) -> eta' pi and measure the ratio of branching fractions B(a_0(980) -> eta' pi)/B(a_0(980) -> eta pi) = 0.064 +- 0.014 +- 0."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5843","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1109.5843","created_at":"2026-05-18T04:05:03.603930+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.5843v2","created_at":"2026-05-18T04:05:03.603930+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5843","created_at":"2026-05-18T04:05:03.603930+00:00"},{"alias_kind":"pith_short_12","alias_value":"M4OLCZZ6PH7R","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_16","alias_value":"M4OLCZZ6PH7RMUB3","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_8","alias_value":"M4OLCZZ6","created_at":"2026-05-18T12:26:34.985390+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.10944","citing_title":"Study of $\\chi_{cJ}\\to \\eta \\eta \\eta^\\prime$ via intermediate charmed meson loop mechanisms and its implications for non-observation of $\\eta_1(1855)$ in $\\chi_{cJ}$ decays","ref_index":19,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3","json":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3.json","graph_json":"https://pith.science/api/pith-number/M4OLCZZ6PH7RMUB3N4UL7LXBD3/graph.json","events_json":"https://pith.science/api/pith-number/M4OLCZZ6PH7RMUB3N4UL7LXBD3/events.json","paper":"https://pith.science/paper/M4OLCZZ6"},"agent_actions":{"view_html":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3","download_json":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3.json","view_paper":"https://pith.science/paper/M4OLCZZ6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.5843&json=true","fetch_graph":"https://pith.science/api/pith-number/M4OLCZZ6PH7RMUB3N4UL7LXBD3/graph.json","fetch_events":"https://pith.science/api/pith-number/M4OLCZZ6PH7RMUB3N4UL7LXBD3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3/action/storage_attestation","attest_author":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3/action/author_attestation","sign_citation":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3/action/citation_signature","submit_replication":"https://pith.science/pith/M4OLCZZ6PH7RMUB3N4UL7LXBD3/action/replication_record"}},"created_at":"2026-05-18T04:05:03.603930+00:00","updated_at":"2026-05-18T04:05:03.603930+00:00"}