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Volkov","submitted_at":"2010-02-09T08:48:37Z","abstract_excerpt":"We calculate the contribution of semi-hadronic states with pseudoscalar $P=\\pi^0, \\eta$ and scalar ($\\sigma$(550))meson accompanied with real photon as an intermediate state of a heavy photon to the anomalous magnetic moment of muon. We consider the intermediate states with $\\pi_0$ and $\\sigma$ as a hadrons in frames of Nambu-Jona-Lasinio model. The contribution of $\\pi_0\\gamma$ state is in agreement with results obtained in previous theoretical considerations as well as with experimental data $a_\\mu^{\\pi_0\\gamma}\\approx 4.5 \\times 10^{-10}$, besides we estimate $a_{\\mu}^{\\eta\\gamma}=0.7 \\time"},"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":"1002.1797","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-02-09T08:48:37Z","cross_cats_sorted":[],"title_canon_sha256":"d286e0673a95a55ec2afdab06e13012e1fec5e3470f4ce9355652eeb310b83e3","abstract_canon_sha256":"c8d7aa5e1e73e2e70a4329d2a501408a7dfaba49b7e59ceec4fb7fb4c9327482"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:39.815604Z","signature_b64":"9PILrwbpxBUu4gb1G2xAvFi7o/+mpOIcuwp/t/XVkw/aqaHp6Xv0rn2CdZJYT6VX1e9CgnG7sc8YNfRWfpleBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65c5ab57dcd04054901507c336e5646a0c09a14f6773585c4ca78c30ef0b2c9d","last_reissued_at":"2026-05-18T04:33:39.815116Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:39.815116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Contributions of semi-hadronic states $P\\gamma;S\\gamma, \\pi^+\\pi^-\\gamma$ to amm of muon, in frames of Nambu-Jona-Lasinio model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A.I. 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