{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:QMIOY6XQV7OSI4MVX4ZZHVIFH3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7d21697227545f63b157e5c1bd5631fd8ecbee87be77758de6c02973d20f0a0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-09-30T15:30:47Z","title_canon_sha256":"3b1b948c5065ef975628c4004ac8d2ffdfd25d9bfb32e90c0559464000627ea3"},"schema_version":"1.0","source":{"id":"1309.7879","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7879","created_at":"2026-05-18T03:04:48Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7879v2","created_at":"2026-05-18T03:04:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7879","created_at":"2026-05-18T03:04:48Z"},{"alias_kind":"pith_short_12","alias_value":"QMIOY6XQV7OS","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QMIOY6XQV7OSI4MV","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QMIOY6XQ","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:9312c4399e54c0a35d3f62aefeb04ddb5c958faa73375ba6a0a9084cc9cac5a9","target":"graph","created_at":"2026-05-18T03:04:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We calculate the invariant and helicity amplitudes for the nonleptonic decay Lambda_b -> Lambda + J/psi, psi(2S) in the covariant confined quark model. We discuss joint angular decay distributions in the cascade decay Lambda_b -> Lambda(-> p pi-) + J/psi, psi(2S) (-> l+ l-) and calculate some of the asymmetry parameters that characterize the joint angular decay distribution. We confirm expectations from the naive quark model that the transitions into the lambda_Lambda=1/2 helicity states of the daughter baryon Lambda are strongly suppressed leading to a near maximal negative polarization of th","authors_text":"Jurgen G. Korner, Mikhail A. Ivanov, Pietro Santorelli, Thomas Gutsche, Valery E. Lyubovitskij","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-09-30T15:30:47Z","title":"Polarization effects in the cascade decay Lambda_b -> Lambda(-> p pi-) + J/psi(-> l+ l-) in the covariant confined quark model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7879","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4003d1dfc079037b96f4b32b3b5ffca97ba2a3c79a55fd5db7807b57997eb657","target":"record","created_at":"2026-05-18T03:04:48Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7d21697227545f63b157e5c1bd5631fd8ecbee87be77758de6c02973d20f0a0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-09-30T15:30:47Z","title_canon_sha256":"3b1b948c5065ef975628c4004ac8d2ffdfd25d9bfb32e90c0559464000627ea3"},"schema_version":"1.0","source":{"id":"1309.7879","kind":"arxiv","version":2}},"canonical_sha256":"8310ec7af0afdd247195bf3393d5053ec2336354ad11e632ef194ef84ee8070a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8310ec7af0afdd247195bf3393d5053ec2336354ad11e632ef194ef84ee8070a","first_computed_at":"2026-05-18T03:04:48.354709Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:04:48.354709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V5AJbj9NBL/WS+vVK409DamU+XWcB0ACni4yrB6En/LULzd4NFOIWfe0qxGELoXjsG3yCdUNnv9uxlUeF77qBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:04:48.355282Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.7879","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4003d1dfc079037b96f4b32b3b5ffca97ba2a3c79a55fd5db7807b57997eb657","sha256:9312c4399e54c0a35d3f62aefeb04ddb5c958faa73375ba6a0a9084cc9cac5a9"],"state_sha256":"ca93936d447f972b27a970acc82dd09f1af92ed009840759cc62ed8b2218ee7c"}