{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:W7AKGV7ZPTQ67IXBPOGMZOTJ6J","short_pith_number":"pith:W7AKGV7Z","schema_version":"1.0","canonical_sha256":"b7c0a357f97ce1efa2e17b8cccba69f2600128078e02cbae8dd2bb6c003d0a81","source":{"kind":"arxiv","id":"1902.05737","version":2},"attestation_state":"computed","paper":{"title":"Production of $Z_c(3900$) and $Z_c(4020)$ in $B_c$ decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Dian-Yong Chen, Gang Li, Qi Wu, Xue-Jia Fan","submitted_at":"2019-02-15T09:38:40Z","abstract_excerpt":"In the present work, we propose to search the charmonium-like states $Z_c(3900$) and $Z_c(4020)$ in the $B_c$ decay. In an effective Lagrangian approach, the branching ratios of $B_c^+ \\to Z_c(3900)^+ \\pi^0$ and $B_c^+\\to Z_c (4020)^+ \\pi^0$ are estimated to be of order of $10^{-4}$ and $10^{-7}$, respectively. The large production rate of $Z_c(3900)$ could provide an important source of the production of $Z_c(3900)$ from the semi-exclusive decay of $b$-flavored hadrons reported by D0 Collaboration, which can be tested by the exclusive measurements in LHCb."},"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":"1902.05737","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-02-15T09:38:40Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"3d4360aa63325eb934b9316264c7876d94ed6637768177a23dd2a4d2da209d05","abstract_canon_sha256":"996e49f7cfda65bd29b826ae8e3ae9c44efbfa7e1577e74011c30c21bf70519d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:59.269841Z","signature_b64":"jM32QPdWRKGAPFgrzjvSWJGeVwdlsRaFmMvFmYXerMa7OPbrxMcW0UHF2KQ97v+A81YJGDbvgpmLDSJjJw5ABA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7c0a357f97ce1efa2e17b8cccba69f2600128078e02cbae8dd2bb6c003d0a81","last_reissued_at":"2026-05-17T23:49:59.269262Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:59.269262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Production of $Z_c(3900$) and $Z_c(4020)$ in $B_c$ decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Dian-Yong Chen, Gang Li, Qi Wu, Xue-Jia Fan","submitted_at":"2019-02-15T09:38:40Z","abstract_excerpt":"In the present work, we propose to search the charmonium-like states $Z_c(3900$) and $Z_c(4020)$ in the $B_c$ decay. In an effective Lagrangian approach, the branching ratios of $B_c^+ \\to Z_c(3900)^+ \\pi^0$ and $B_c^+\\to Z_c (4020)^+ \\pi^0$ are estimated to be of order of $10^{-4}$ and $10^{-7}$, respectively. The large production rate of $Z_c(3900)$ could provide an important source of the production of $Z_c(3900)$ from the semi-exclusive decay of $b$-flavored hadrons reported by D0 Collaboration, which can be tested by the exclusive measurements in LHCb."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05737","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":"1902.05737","created_at":"2026-05-17T23:49:59.269371+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.05737v2","created_at":"2026-05-17T23:49:59.269371+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05737","created_at":"2026-05-17T23:49:59.269371+00:00"},{"alias_kind":"pith_short_12","alias_value":"W7AKGV7ZPTQ6","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_16","alias_value":"W7AKGV7ZPTQ67IXB","created_at":"2026-05-18T12:33:30.264802+00:00"},{"alias_kind":"pith_short_8","alias_value":"W7AKGV7Z","created_at":"2026-05-18T12:33:30.264802+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/W7AKGV7ZPTQ67IXBPOGMZOTJ6J","json":"https://pith.science/pith/W7AKGV7ZPTQ67IXBPOGMZOTJ6J.json","graph_json":"https://pith.science/api/pith-number/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/graph.json","events_json":"https://pith.science/api/pith-number/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/events.json","paper":"https://pith.science/paper/W7AKGV7Z"},"agent_actions":{"view_html":"https://pith.science/pith/W7AKGV7ZPTQ67IXBPOGMZOTJ6J","download_json":"https://pith.science/pith/W7AKGV7ZPTQ67IXBPOGMZOTJ6J.json","view_paper":"https://pith.science/paper/W7AKGV7Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.05737&json=true","fetch_graph":"https://pith.science/api/pith-number/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/graph.json","fetch_events":"https://pith.science/api/pith-number/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/action/storage_attestation","attest_author":"https://pith.science/pith/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/action/author_attestation","sign_citation":"https://pith.science/pith/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/action/citation_signature","submit_replication":"https://pith.science/pith/W7AKGV7ZPTQ67IXBPOGMZOTJ6J/action/replication_record"}},"created_at":"2026-05-17T23:49:59.269371+00:00","updated_at":"2026-05-17T23:49:59.269371+00:00"}