{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:EZKS7L6T6ICMW7FD2IO7UKFPAS","short_pith_number":"pith:EZKS7L6T","schema_version":"1.0","canonical_sha256":"26552fafd3f204cb7ca3d21dfa28af04bd606a7e3be76341c0cec36b7805f736","source":{"kind":"arxiv","id":"2002.12431","version":3},"attestation_state":"computed","paper":{"title":"Dalitz plots and lineshape of $a_1(1260)$ from a relativistic three-body unitary approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Daniel Sadasivan, Hakan Akdag, Maxim Mai, Michael D\\\"oring","submitted_at":"2020-02-27T20:48:33Z","abstract_excerpt":"We formulate the final state interaction of the $a_1(1260)$ resonance decay in a manifestly three-body unitary parameterization and fit it to the $a_1(1260)$ lineshape measured by the ALEPH experiment. Dalitz plots calculated from this fit are presented. The work demonstrates the feasibility to numerically solve a previously derived amplitude and its generalization to isobars with spin and coupled channels. The model can also be applied to other meson decays and modified for the finite-volume problem as it arises in lattice QCD due to its manifest unitarity."},"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":"2002.12431","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2020-02-27T20:48:33Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"b8dd3dcd263c5533c531d739868ff60580c75fdde85c30eb1cb8a1426c6ff183","abstract_canon_sha256":"8c12314fe6dffcae5ef0eef2889b1a3014c1d9effd0ddad1f74ca85feb4f4c15"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:30:11.431605Z","signature_b64":"Yls+Tyr8OmVV9jEzOuluqJ9iLpEZM/a/0N9TnnNjenHHOvRDE9uViSiBLYk+yG1+UdsjZQ9AoR7YiuXoRxY3DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26552fafd3f204cb7ca3d21dfa28af04bd606a7e3be76341c0cec36b7805f736","last_reissued_at":"2026-07-05T02:30:11.431098Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:30:11.431098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dalitz plots and lineshape of $a_1(1260)$ from a relativistic three-body unitary approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Daniel Sadasivan, Hakan Akdag, Maxim Mai, Michael D\\\"oring","submitted_at":"2020-02-27T20:48:33Z","abstract_excerpt":"We formulate the final state interaction of the $a_1(1260)$ resonance decay in a manifestly three-body unitary parameterization and fit it to the $a_1(1260)$ lineshape measured by the ALEPH experiment. Dalitz plots calculated from this fit are presented. The work demonstrates the feasibility to numerically solve a previously derived amplitude and its generalization to isobars with spin and coupled channels. The model can also be applied to other meson decays and modified for the finite-volume problem as it arises in lattice QCD due to its manifest unitarity."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.12431","kind":"arxiv","version":3},"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/2002.12431/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2002.12431","created_at":"2026-07-05T02:30:11.431157+00:00"},{"alias_kind":"arxiv_version","alias_value":"2002.12431v3","created_at":"2026-07-05T02:30:11.431157+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.12431","created_at":"2026-07-05T02:30:11.431157+00:00"},{"alias_kind":"pith_short_12","alias_value":"EZKS7L6T6ICM","created_at":"2026-07-05T02:30:11.431157+00:00"},{"alias_kind":"pith_short_16","alias_value":"EZKS7L6T6ICMW7FD","created_at":"2026-07-05T02:30:11.431157+00:00"},{"alias_kind":"pith_short_8","alias_value":"EZKS7L6T","created_at":"2026-07-05T02:30:11.431157+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.24709","citing_title":"The $a_1(1420)$ in a Unitary Coupled-Channel Three-Body Approach","ref_index":59,"is_internal_anchor":false},{"citing_arxiv_id":"2606.19040","citing_title":"Three-body unitary determination of the $f_1(1285)$ and $f_1(1420)$ pole positions","ref_index":46,"is_internal_anchor":false},{"citing_arxiv_id":"2407.17969","citing_title":"Effects of Final State Interactions on Landau Singularities","ref_index":81,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS","json":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS.json","graph_json":"https://pith.science/api/pith-number/EZKS7L6T6ICMW7FD2IO7UKFPAS/graph.json","events_json":"https://pith.science/api/pith-number/EZKS7L6T6ICMW7FD2IO7UKFPAS/events.json","paper":"https://pith.science/paper/EZKS7L6T"},"agent_actions":{"view_html":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS","download_json":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS.json","view_paper":"https://pith.science/paper/EZKS7L6T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2002.12431&json=true","fetch_graph":"https://pith.science/api/pith-number/EZKS7L6T6ICMW7FD2IO7UKFPAS/graph.json","fetch_events":"https://pith.science/api/pith-number/EZKS7L6T6ICMW7FD2IO7UKFPAS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS/action/storage_attestation","attest_author":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS/action/author_attestation","sign_citation":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS/action/citation_signature","submit_replication":"https://pith.science/pith/EZKS7L6T6ICMW7FD2IO7UKFPAS/action/replication_record"}},"created_at":"2026-07-05T02:30:11.431157+00:00","updated_at":"2026-07-05T02:30:11.431157+00:00"}