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Narison","submitted_at":"1994-08-26T10:26:52Z","abstract_excerpt":"Using the recent {\\it world average} $\\alpha_s(M^2_Z)= 0.118 \\pm 0.006$, we give the {\\it first direct extraction} from the $\\Psi$ and $\\Upsilon$ data of the values of the {\\it running heavy quark masses} within QCD spectral sum rules to two-loops in the $\\overline {MS}$-scheme: $\\mr_b(M^{PT2}_b)$ = $(4.23~^{+0.03}_{-0.04} \\pm 0.02)$ GeV and $\\mr_c(M^{PT2}_c)$ = $(1.23~^{+ 0.02}_{-0.04} \\pm 0.03)$ GeV, (the errors are respectively due to $\\alf$ and to the gluon condensate), and the corresponding value of the {\\it short-distance perturbative pole masses to two-loops}: $M^{PT2}_b=(4.62 \\pm 0.02)"},"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-ph/9408376","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1994-08-26T10:26:52Z","cross_cats_sorted":["hep-lat"],"title_canon_sha256":"ba824367fd63b3b2e8f126d94fba02f762483bd370440453fd0ae71997a8127d","abstract_canon_sha256":"535a6d427a1ee69ce118eed966d1d168bac14a3986734f8f85c5f3108d80e4d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:37.842468Z","signature_b64":"mx7AK0qaCV3Qo8TSiezC9LhkZEWitAjSRJUD9Eo8PtI3BchrGvBAFbj5YjbAu1KFGmez08c5B8sw3jIi56QgBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40e779c4837a4c721dcfab37bf2ae292ec8b48b1a0905ec3b0ec4f33f8e9c6a5","last_reissued_at":"2026-05-18T04:30:37.841867Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:37.841867Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A fresh look into the heavy quark-mass values","license":"","headline":"","cross_cats":["hep-lat"],"primary_cat":"hep-ph","authors_text":"S. 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