{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:EJQKFFWSP3QFWXLSVBCDUSP4BD","short_pith_number":"pith:EJQKFFWS","schema_version":"1.0","canonical_sha256":"2260a296d27ee05b5d72a8443a49fc08ec77335ad2e657954d440c191fdb6056","source":{"kind":"arxiv","id":"nucl-ex/0601029","version":2},"attestation_state":"computed","paper":{"title":"Coincidence Measurement of the Nonmesonic Weak Decay of ^{12}_{Lambda}C","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Banu, A. Toyoda, B. H. Kang, E. H. Kim, H. Bhang, H. J. Yim, H. Noumi, H. Outa, H. Park, H. Tamura, J. H. Kim, J.I. Hwang, K. Aoki, K. Tanida, K. Tsukada, M. J. Kim, M. Nakamura, M. Sekimoto, O. Hashimoto, P. K. Saha, S. Ajimura, S. Kameoka, S. N. Nakamura, S. Okada, S. Shin, T. Fukuda, T. Maruta, T. Nagae, T. Takahashi, T. Watanabe, Y. Miura, Y. Miyake, Y. Okayasu, Y. Sato","submitted_at":"2006-01-21T07:25:26Z","abstract_excerpt":"We have measured the angular correlation of the pair nucleons np and nn emitted from the nonmesonic weak decay (NMWD) of ^{12}_{Lambda}C produced via the (pi^+,K^+) reaction in coincidence measurement. The Lambda p -> np and Lambda n -> nn modes were clearly identified by measuring the back-to-back correlation of the emitted nucleon pairs which is the characteristic of two-body kinematics. From the measured nucleon pair numbers N_{nn} and N_{np}, the ratio Gamma_n/Gamma_p of the partial decay widths Gamma_n(Lambda n -> nn) and Gamma_p(Lambda p -> np) of ^{12}_{Lambda}C was extracted to be 0.51"},"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":"nucl-ex/0601029","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2006-01-21T07:25:26Z","cross_cats_sorted":[],"title_canon_sha256":"4351bd8f87b5866e929a2149d68db8ae37dc762689b760f71ab67ca28719a942","abstract_canon_sha256":"9407d1a267d0ccd12203d734c77699a3c00ab71cc8037d36d5ee533b83230002"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:02:16.370929Z","signature_b64":"WILiBz2SsYIFEB/aQCy6fcLNUn7YqAK1wNSRzOhraTO396F7big7vyzXzCdG7TwaY+KsdqbzkRNAj8pDIUtzCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2260a296d27ee05b5d72a8443a49fc08ec77335ad2e657954d440c191fdb6056","last_reissued_at":"2026-07-04T17:02:16.370408Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:02:16.370408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coincidence Measurement of the Nonmesonic Weak Decay of ^{12}_{Lambda}C","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Banu, A. Toyoda, B. H. Kang, E. H. Kim, H. Bhang, H. J. Yim, H. Noumi, H. Outa, H. Park, H. Tamura, J. H. Kim, J.I. Hwang, K. Aoki, K. Tanida, K. Tsukada, M. J. Kim, M. Nakamura, M. Sekimoto, O. Hashimoto, P. K. Saha, S. Ajimura, S. Kameoka, S. N. Nakamura, S. Okada, S. Shin, T. Fukuda, T. Maruta, T. Nagae, T. Takahashi, T. Watanabe, Y. Miura, Y. Miyake, Y. Okayasu, Y. Sato","submitted_at":"2006-01-21T07:25:26Z","abstract_excerpt":"We have measured the angular correlation of the pair nucleons np and nn emitted from the nonmesonic weak decay (NMWD) of ^{12}_{Lambda}C produced via the (pi^+,K^+) reaction in coincidence measurement. The Lambda p -> np and Lambda n -> nn modes were clearly identified by measuring the back-to-back correlation of the emitted nucleon pairs which is the characteristic of two-body kinematics. From the measured nucleon pair numbers N_{nn} and N_{np}, the ratio Gamma_n/Gamma_p of the partial decay widths Gamma_n(Lambda n -> nn) and Gamma_p(Lambda p -> np) of ^{12}_{Lambda}C was extracted to be 0.51"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0601029","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-ex/0601029/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":"nucl-ex/0601029","created_at":"2026-07-04T17:02:16.370473+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0601029v2","created_at":"2026-07-04T17:02:16.370473+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0601029","created_at":"2026-07-04T17:02:16.370473+00:00"},{"alias_kind":"pith_short_12","alias_value":"EJQKFFWSP3QF","created_at":"2026-07-04T17:02:16.370473+00:00"},{"alias_kind":"pith_short_16","alias_value":"EJQKFFWSP3QFWXLS","created_at":"2026-07-04T17:02:16.370473+00:00"},{"alias_kind":"pith_short_8","alias_value":"EJQKFFWS","created_at":"2026-07-04T17:02:16.370473+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD","json":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD.json","graph_json":"https://pith.science/api/pith-number/EJQKFFWSP3QFWXLSVBCDUSP4BD/graph.json","events_json":"https://pith.science/api/pith-number/EJQKFFWSP3QFWXLSVBCDUSP4BD/events.json","paper":"https://pith.science/paper/EJQKFFWS"},"agent_actions":{"view_html":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD","download_json":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD.json","view_paper":"https://pith.science/paper/EJQKFFWS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-ex/0601029&json=true","fetch_graph":"https://pith.science/api/pith-number/EJQKFFWSP3QFWXLSVBCDUSP4BD/graph.json","fetch_events":"https://pith.science/api/pith-number/EJQKFFWSP3QFWXLSVBCDUSP4BD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD/action/storage_attestation","attest_author":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD/action/author_attestation","sign_citation":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD/action/citation_signature","submit_replication":"https://pith.science/pith/EJQKFFWSP3QFWXLSVBCDUSP4BD/action/replication_record"}},"created_at":"2026-07-04T17:02:16.370473+00:00","updated_at":"2026-07-04T17:02:16.370473+00:00"}