{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ORI2M3MGGAN3RHSD2QYTETTCWD","short_pith_number":"pith:ORI2M3MG","schema_version":"1.0","canonical_sha256":"7451a66d86301bb89e43d431324e62b0f714d1c6526fbd422a4cabd9a3a84df7","source":{"kind":"arxiv","id":"1909.13083","version":2},"attestation_state":"computed","paper":{"title":"Novel method to reliably determine the photon helicity in $b\\to s\\gamma$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Fu-Sheng Yu, Wei Wang, Zhen-Xing Zhao","submitted_at":"2019-09-28T12:44:18Z","abstract_excerpt":"A sizable right-handed photon polarization in $b\\to s\\gamma$ is a clear signal for new physics. In this work we point out that the photon helicity in $b\\to s\\gamma$ can be unambiguously extracted by combining the measurements in $B\\to K_1\\gamma$ and the Cabibbo-favored $D\\to K_1 e^+\\nu$ decay. We propose a ratio of up-down asymmetries in $D\\to K_1 e^+\\nu$ to quantify the hadronic effects. { A method for measuring in experiment the involved partial decay widths in the ratio is discussed, and experimental facilities like BESIII, Belle-II and LHCb are likely to measure this ratio. We also give th"},"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":"1909.13083","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-09-28T12:44:18Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"ecf797633af1e07e10efe03bc65d81b54b303ec97590b23b1a5d0296a1725b73","abstract_canon_sha256":"cbf9d9f49cd097a67566926d994a118b12311dfc07160115855e357313b6275e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:24:28.272676Z","signature_b64":"TMP78EnaVs+172/x74wRdgTklj4h/PF5llcYG84o/9E67i5z7ECQ5pqi2T+sg9b7zvatvaKjfUjuJlXVvCblAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7451a66d86301bb89e43d431324e62b0f714d1c6526fbd422a4cabd9a3a84df7","last_reissued_at":"2026-07-05T01:24:28.272218Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:24:28.272218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Novel method to reliably determine the photon helicity in $b\\to s\\gamma$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Fu-Sheng Yu, Wei Wang, Zhen-Xing Zhao","submitted_at":"2019-09-28T12:44:18Z","abstract_excerpt":"A sizable right-handed photon polarization in $b\\to s\\gamma$ is a clear signal for new physics. In this work we point out that the photon helicity in $b\\to s\\gamma$ can be unambiguously extracted by combining the measurements in $B\\to K_1\\gamma$ and the Cabibbo-favored $D\\to K_1 e^+\\nu$ decay. We propose a ratio of up-down asymmetries in $D\\to K_1 e^+\\nu$ to quantify the hadronic effects. { A method for measuring in experiment the involved partial decay widths in the ratio is discussed, and experimental facilities like BESIII, Belle-II and LHCb are likely to measure this ratio. We also give th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.13083","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/1909.13083/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":"1909.13083","created_at":"2026-07-05T01:24:28.272267+00:00"},{"alias_kind":"arxiv_version","alias_value":"1909.13083v2","created_at":"2026-07-05T01:24:28.272267+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.13083","created_at":"2026-07-05T01:24:28.272267+00:00"},{"alias_kind":"pith_short_12","alias_value":"ORI2M3MGGAN3","created_at":"2026-07-05T01:24:28.272267+00:00"},{"alias_kind":"pith_short_16","alias_value":"ORI2M3MGGAN3RHSD","created_at":"2026-07-05T01:24:28.272267+00:00"},{"alias_kind":"pith_short_8","alias_value":"ORI2M3MG","created_at":"2026-07-05T01:24:28.272267+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.15250","citing_title":"Probing ALP couplings to electroweak gauge bosons","ref_index":48,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD","json":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD.json","graph_json":"https://pith.science/api/pith-number/ORI2M3MGGAN3RHSD2QYTETTCWD/graph.json","events_json":"https://pith.science/api/pith-number/ORI2M3MGGAN3RHSD2QYTETTCWD/events.json","paper":"https://pith.science/paper/ORI2M3MG"},"agent_actions":{"view_html":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD","download_json":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD.json","view_paper":"https://pith.science/paper/ORI2M3MG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1909.13083&json=true","fetch_graph":"https://pith.science/api/pith-number/ORI2M3MGGAN3RHSD2QYTETTCWD/graph.json","fetch_events":"https://pith.science/api/pith-number/ORI2M3MGGAN3RHSD2QYTETTCWD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD/action/storage_attestation","attest_author":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD/action/author_attestation","sign_citation":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD/action/citation_signature","submit_replication":"https://pith.science/pith/ORI2M3MGGAN3RHSD2QYTETTCWD/action/replication_record"}},"created_at":"2026-07-05T01:24:28.272267+00:00","updated_at":"2026-07-05T01:24:28.272267+00:00"}