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We show that the mechanism develops a singularity around the $\\pi^0 f_0(980)$ or $\\pi^0 a_0(980)$ invariant mass of 1420 MeV where the $\\pi^0 f_0$ and $\\pi^0 a_0$ decay modes are magni"},"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":"1711.04603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-11-13T14:46:41Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"4dd717b6879bfefa234106520982d504fc8d1cd5fc3af27de3d4066376b31a4b","abstract_canon_sha256":"a1630a6dcfa4b8bd785d8ad962bf741fe5322ae9eda24e7e4793409efbe8ead2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:15.242585Z","signature_b64":"ESeRyz93ZwPW6m8M6c+IqOpISN8A5at+ABCC6CSyaf+26W1RDq+IO2vC5noadOhOez1E3DVOFqq5Pql1/ZVYAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1835fe7cda75843f3374ec6776855b69e7b77b73c32ea444c52cca57240be311","last_reissued_at":"2026-05-18T00:18:15.242091Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:15.242091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Triangle singularity enhancing isospin violation in $\\bar B_s^0 \\to J/\\psi \\pi^0 f_0(980)$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"E. 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