{"paper":{"title":"Correlator of heavy-light quark currents in HQET in the large $\\beta_0$ limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"The leading 1/β₀ term approximates the perturbative contribution to the heavy-light quark current correlator in HQET up to quadratic light-quark masses.","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Andrey G. Grozin","submitted_at":"2026-03-19T10:11:14Z","abstract_excerpt":"The perturbative contribution to the correlator of two heavy-light quark currents in HQET expanded in light-quark masses up to quadratic terms is calculated at the leading order in $1/\\beta_0$. Ultraviolet and infrared renormalon poles of Borel images of the Wilson coefficients are discussed."},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The perturbative contribution to the correlator of two heavy-light quark currents in HQET expanded in light-quark masses up to quadratic terms is calculated at the leading order in 1/β₀.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the leading 1/β₀ term faithfully approximates the full perturbative series for the Wilson coefficients of this particular correlator once the light-quark mass expansion is performed.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Perturbative HQET correlator of heavy-light currents computed to O(m_q²) at leading 1/β₀ order with explicit renormalon-pole locations.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"The leading 1/β₀ term approximates the perturbative contribution to the heavy-light quark current correlator in HQET up to quadratic light-quark masses.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"9aed026681ea5834d0857e7cc05709bc874980dbfb978363a8d37dfedc7aedd3"},"source":{"id":"2603.18711","kind":"arxiv","version":3},"verdict":{"id":"cc6995ac-acff-4535-b01e-1a0c3452b0bc","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T09:09:32.283689Z","strongest_claim":"The perturbative contribution to the correlator of two heavy-light quark currents in HQET expanded in light-quark masses up to quadratic terms is calculated at the leading order in 1/β₀.","one_line_summary":"Perturbative HQET correlator of heavy-light currents computed to O(m_q²) at leading 1/β₀ order with explicit renormalon-pole locations.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the leading 1/β₀ term faithfully approximates the full perturbative series for the Wilson coefficients of this particular correlator once the light-quark mass expansion is performed.","pith_extraction_headline":"The leading 1/β₀ term approximates the perturbative contribution to the heavy-light quark current correlator in HQET up to quadratic light-quark masses."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2603.18711/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":2,"snapshot_sha256":"383b923d936768f3b524f61b9bb21b9d18c6c5050e143eae237dda4d48d51f8f"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}