{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:CYW6TL4BZCZ2CWMR766DON4IM2","short_pith_number":"pith:CYW6TL4B","schema_version":"1.0","canonical_sha256":"162de9af81c8b3a15991ffbc37378866ab37b3ea5d7dd0889d2d7ad75961a7a1","source":{"kind":"arxiv","id":"2411.11533","version":3},"attestation_state":"computed","paper":{"title":"Lattice calculation of the $\\eta_c\\eta_c$ and $J/\\psi J/\\psi$ s-wave scattering length","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"hep-lat","authors_text":"Chuan Liu, Haobo Yan, Xin-Yu Tuo, Yu Meng, Zhaolong Zhang","submitted_at":"2024-11-18T12:41:30Z","abstract_excerpt":"We calculate the s-wave scattering length in the $0^+$ sector of $\\eta_c\\eta_c$ and the $2^+$ sector of $J/\\psi J/\\psi$ using three $N_f=2$ twisted mass gauge ensembles with the lattice spacing $a=0.0667,0.085,0.098$ fm, respectively. The scattering lengths are extracted using the conventional L{\\\"u}scher finite size method. We observe sizable discretization effects and the results after a continuum extrapolation are $a^{0^+}_{\\eta_c\\eta_c}=-0.104(09)$ fm and $a^{2^+}_{J/\\psi J/\\psi}=-0.165(16)$ fm. The slight difference of light quark mass is ignored in this study. Our results indicate that t"},"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":"2411.11533","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2024-11-18T12:41:30Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"28f49bbfc1aa93211236fcd8a19e50c25cd0f36a2b88b26b620957064f7dcc1a","abstract_canon_sha256":"a5ddf28edd6806aff497a63e1e334079b3b4e7f6be827a6d82f71aed556a6e27"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:49:11.064854Z","signature_b64":"rxq+6EWV6QqEHZVWxGVy5bRc8yN/8toRgJgKvrByT75UnGrPlxoKJAxANwCGAIr0ZqDqB4MaeKnXdaOfIyIgAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"162de9af81c8b3a15991ffbc37378866ab37b3ea5d7dd0889d2d7ad75961a7a1","last_reissued_at":"2026-07-05T10:49:11.064373Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:49:11.064373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lattice calculation of the $\\eta_c\\eta_c$ and $J/\\psi J/\\psi$ s-wave scattering length","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"hep-lat","authors_text":"Chuan Liu, Haobo Yan, Xin-Yu Tuo, Yu Meng, Zhaolong Zhang","submitted_at":"2024-11-18T12:41:30Z","abstract_excerpt":"We calculate the s-wave scattering length in the $0^+$ sector of $\\eta_c\\eta_c$ and the $2^+$ sector of $J/\\psi J/\\psi$ using three $N_f=2$ twisted mass gauge ensembles with the lattice spacing $a=0.0667,0.085,0.098$ fm, respectively. The scattering lengths are extracted using the conventional L{\\\"u}scher finite size method. We observe sizable discretization effects and the results after a continuum extrapolation are $a^{0^+}_{\\eta_c\\eta_c}=-0.104(09)$ fm and $a^{2^+}_{J/\\psi J/\\psi}=-0.165(16)$ fm. The slight difference of light quark mass is ignored in this study. Our results indicate that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.11533","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/2411.11533/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":"2411.11533","created_at":"2026-07-05T10:49:11.064435+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.11533v3","created_at":"2026-07-05T10:49:11.064435+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.11533","created_at":"2026-07-05T10:49:11.064435+00:00"},{"alias_kind":"pith_short_12","alias_value":"CYW6TL4BZCZ2","created_at":"2026-07-05T10:49:11.064435+00:00"},{"alias_kind":"pith_short_16","alias_value":"CYW6TL4BZCZ2CWMR","created_at":"2026-07-05T10:49:11.064435+00:00"},{"alias_kind":"pith_short_8","alias_value":"CYW6TL4B","created_at":"2026-07-05T10:49:11.064435+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/CYW6TL4BZCZ2CWMR766DON4IM2","json":"https://pith.science/pith/CYW6TL4BZCZ2CWMR766DON4IM2.json","graph_json":"https://pith.science/api/pith-number/CYW6TL4BZCZ2CWMR766DON4IM2/graph.json","events_json":"https://pith.science/api/pith-number/CYW6TL4BZCZ2CWMR766DON4IM2/events.json","paper":"https://pith.science/paper/CYW6TL4B"},"agent_actions":{"view_html":"https://pith.science/pith/CYW6TL4BZCZ2CWMR766DON4IM2","download_json":"https://pith.science/pith/CYW6TL4BZCZ2CWMR766DON4IM2.json","view_paper":"https://pith.science/paper/CYW6TL4B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.11533&json=true","fetch_graph":"https://pith.science/api/pith-number/CYW6TL4BZCZ2CWMR766DON4IM2/graph.json","fetch_events":"https://pith.science/api/pith-number/CYW6TL4BZCZ2CWMR766DON4IM2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CYW6TL4BZCZ2CWMR766DON4IM2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CYW6TL4BZCZ2CWMR766DON4IM2/action/storage_attestation","attest_author":"https://pith.science/pith/CYW6TL4BZCZ2CWMR766DON4IM2/action/author_attestation","sign_citation":"https://pith.science/pith/CYW6TL4BZCZ2CWMR766DON4IM2/action/citation_signature","submit_replication":"https://pith.science/pith/CYW6TL4BZCZ2CWMR766DON4IM2/action/replication_record"}},"created_at":"2026-07-05T10:49:11.064435+00:00","updated_at":"2026-07-05T10:49:11.064435+00:00"}