{"paper":{"title":"Scaling law for the $\\Upsilon(4S) \\to B \\bar B$ and $\\psi(3770) \\to D \\bar D$ decay constants from effective sum rules","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"V.V. Kiselev","submitted_at":"1994-01-27T07:19:23Z","abstract_excerpt":"Sum rules for exclusive production of heavy meson pairs in $e^+e^-$ annihilation are used to evaluate the $\\Upsilon(4S) \\to B \\bar B$ and $\\psi(3770) \\to D \\bar D$ decay widths. Infinitely heavy quark limit is discussed, so that scaling law for the quarkonium-meson coupling constant is derived. A value of the $B\\bar B$ pair contribution into the leptonic constant $f_{\\Upsilon(4S)}$ is estimated."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9401339","kind":"arxiv","version":1},"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"}