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This asymmetry is nonvanishing due to a PV $\\gamma N \\Delta$ coupling constant, $d^\\pm_\\Delta$. We argue that an experimental determination of this coupling would be of interest for hadron dynamics, possibly shedding light on the S-wave/P-wave puzzle in the hyperon nonleptonic decays and the violation of Hara's theorem in weak radiative hyperon"},"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":"hep-ph/0106216","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-06-19T14:54:43Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"6dba6613af95fe871c83401d7795f7af2597607acc2523ec57ba5f366cfded4b","abstract_canon_sha256":"3d501cd9c9c76adc260a1df5b8a36424b10fe264e883f8665c5a5fc1277e61d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:46.673923Z","signature_b64":"H1Xv3SVpLruPfslWcwi/rk7QZJhWwvkp/ogAQ6iOSIKol3O+0GY0ThwwhnBYsRv3OI1sDHsp+n0kEtxCQWlfAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56134a27ee70e8496d4a9b992e72619e24dd9ea09cb17be4ed44f15d86d984f0","last_reissued_at":"2026-05-18T02:36:46.673241Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:46.673241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Parity Violating Photoproduction of $\\pi^\\pm$ on the $\\Delta$ Resonance","license":"","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"B.R. 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