{"paper":{"title":"A fresh look into the heavy quark-mass values","license":"","headline":"","cross_cats":["hep-lat"],"primary_cat":"hep-ph","authors_text":"S. 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)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9408376","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"}