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Allton, C.T.Sachrajda, D.B.Carpenter, G.Martinelli, G.Siegert, K.Schilling, M.Crisafulli, O.P\\`ene, Ph.Boucaud, P.Hernandez, R.Sommer, S.G\\\"usken, V.Lubicz","submitted_at":"1993-08-09T14:28:21Z","abstract_excerpt":"We present the results of a numerical calculation of semi-leptonic form factors relevant for heavy flavour meson decays into light mesons, at $\\beta=6.4$ on a $24^3 \\times 60$ lattice, using the Wilson action in the quenched approximation. We obtain $f^+_K(0)=0.65\\pm 0.18$, $V(0)=0.95\\pm 0.34$, $A_1(0)=0.63\\pm 0.14 $ and $A_2(0)=0.45\\pm 0.33 $. We also obtain $A_1(q^2_{max})=0.62\\pm 0.09$, $V(0)/A_1(0)=1.5\\pm 0.28 $ and $A_2(0)/A_1(0)=0.7\\pm 0.4$. The results for $f^+_K(0)$, $V(0)$ and $A_1(0)$ are consistent with the experimental data and with previous lattice determinations with larger latti"},"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":"hep-lat/9308007","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1993-08-09T14:28:21Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7818deb89f9e4579f84807954540c48b7b21181e509e86fc0269e3942135999d","abstract_canon_sha256":"4c7e9ca0f884d626e68df7eb26a45fe0397bcede0cc945ee1aacb1d75226a608"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:57:29.559663Z","signature_b64":"iCTry8jmA9hb+jgA5vKjFqovvqjImv6gQZbSnIhLpEtGW+owsavUsJEC8imxxO9plTSU0Z/OIK5+xxPetk4xAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"365762e85e4d8b1448a4158de8cd59684160f6b58c06775b39c1d4193e7fea94","last_reissued_at":"2026-07-04T23:57:29.559099Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:57:29.559099Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Semi-leptonic Decays of Heavy Flavours on a Fine Grained Lattice","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"As.Abada, C.R. Allton, C.T.Sachrajda, D.B.Carpenter, G.Martinelli, G.Siegert, K.Schilling, M.Crisafulli, O.P\\`ene, Ph.Boucaud, P.Hernandez, R.Sommer, S.G\\\"usken, V.Lubicz","submitted_at":"1993-08-09T14:28:21Z","abstract_excerpt":"We present the results of a numerical calculation of semi-leptonic form factors relevant for heavy flavour meson decays into light mesons, at $\\beta=6.4$ on a $24^3 \\times 60$ lattice, using the Wilson action in the quenched approximation. We obtain $f^+_K(0)=0.65\\pm 0.18$, $V(0)=0.95\\pm 0.34$, $A_1(0)=0.63\\pm 0.14 $ and $A_2(0)=0.45\\pm 0.33 $. We also obtain $A_1(q^2_{max})=0.62\\pm 0.09$, $V(0)/A_1(0)=1.5\\pm 0.28 $ and $A_2(0)/A_1(0)=0.7\\pm 0.4$. 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