{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:2CF3DXB3ACBY2QALZZVMAJYBA7","short_pith_number":"pith:2CF3DXB3","schema_version":"1.0","canonical_sha256":"d08bb1dc3b00838d400bce6ac0270107f2e697af122058a91311574866c9eb10","source":{"kind":"arxiv","id":"1309.4425","version":2},"attestation_state":"computed","paper":{"title":"The muon capture rate on hydrogen and the values of $g_A$ and $g_{\\pi NN}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"F. Myhrer, K. Kubodera, S. Pastore","submitted_at":"2013-09-17T18:50:45Z","abstract_excerpt":"Motivated by the recent developments in the determination of the experimental values of the nucleon axial-vector coupling constant $g_A$ and the pion-nucleon coupling constant $g_{\\pi NN}$, we carry out a heavy-baryon chiral perturbation calculation of the hyperfine-singlet $\\mu p$ capture rate $\\Gamma_0$ to next-to-next-to-leading order (N$^2$LO), with the use of the latest values of $g_A$ and $g_{\\pi NN}$. The calculated N$^2$LO value is $\\Gamma_0^{\\rm theor}(\\mu^- p \\to \\nu_\\mu n) =718 \\pm 7 \\,s^{-1}$, where the estimated N$^3$LO contribution dominates the error. This value is in excellent "},"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":"1309.4425","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-09-17T18:50:45Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"21127d8092496983af4a2c45d5caf13272674be80b8830456df79a6964ab83c7","abstract_canon_sha256":"8692c38e0d68a90d8bf081db3f0654c891aa15bb44717e2bc54417ed905d5c0a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:36.342570Z","signature_b64":"NEVpMF1SB4aGIhpWhNOKEDy/heh5pdCBCbIATqcCpVZtx1UCvqIZHz2yEPB6pKFrcRdE6UYTCZP9C51u3fQ9Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d08bb1dc3b00838d400bce6ac0270107f2e697af122058a91311574866c9eb10","last_reissued_at":"2026-05-18T01:47:36.341850Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:36.341850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The muon capture rate on hydrogen and the values of $g_A$ and $g_{\\pi NN}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"F. Myhrer, K. Kubodera, S. Pastore","submitted_at":"2013-09-17T18:50:45Z","abstract_excerpt":"Motivated by the recent developments in the determination of the experimental values of the nucleon axial-vector coupling constant $g_A$ and the pion-nucleon coupling constant $g_{\\pi NN}$, we carry out a heavy-baryon chiral perturbation calculation of the hyperfine-singlet $\\mu p$ capture rate $\\Gamma_0$ to next-to-next-to-leading order (N$^2$LO), with the use of the latest values of $g_A$ and $g_{\\pi NN}$. The calculated N$^2$LO value is $\\Gamma_0^{\\rm theor}(\\mu^- p \\to \\nu_\\mu n) =718 \\pm 7 \\,s^{-1}$, where the estimated N$^3$LO contribution dominates the error. This value is in excellent "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4425","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":""},"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":"1309.4425","created_at":"2026-05-18T01:47:36.341948+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.4425v2","created_at":"2026-05-18T01:47:36.341948+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4425","created_at":"2026-05-18T01:47:36.341948+00:00"},{"alias_kind":"pith_short_12","alias_value":"2CF3DXB3ACBY","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_16","alias_value":"2CF3DXB3ACBY2QAL","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_8","alias_value":"2CF3DXB3","created_at":"2026-05-18T12:27:30.460161+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7","json":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7.json","graph_json":"https://pith.science/api/pith-number/2CF3DXB3ACBY2QALZZVMAJYBA7/graph.json","events_json":"https://pith.science/api/pith-number/2CF3DXB3ACBY2QALZZVMAJYBA7/events.json","paper":"https://pith.science/paper/2CF3DXB3"},"agent_actions":{"view_html":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7","download_json":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7.json","view_paper":"https://pith.science/paper/2CF3DXB3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.4425&json=true","fetch_graph":"https://pith.science/api/pith-number/2CF3DXB3ACBY2QALZZVMAJYBA7/graph.json","fetch_events":"https://pith.science/api/pith-number/2CF3DXB3ACBY2QALZZVMAJYBA7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7/action/storage_attestation","attest_author":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7/action/author_attestation","sign_citation":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7/action/citation_signature","submit_replication":"https://pith.science/pith/2CF3DXB3ACBY2QALZZVMAJYBA7/action/replication_record"}},"created_at":"2026-05-18T01:47:36.341948+00:00","updated_at":"2026-05-18T01:47:36.341948+00:00"}