{"paper":{"title":"On the Decay Mode $B^- \\to \\mu^- \\bar \\nu_\\mu \\gamma$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"F.De Fazio, G.Nardulli, P.Colangelo","submitted_at":"1996-06-04T11:29:46Z","abstract_excerpt":"A QCD relativistic potential model is employed to compute the decay rate and the photon spectrum of the process $B^- \\to \\mu^- {\\bar \\nu}_\\mu \\gamma$. The result ${\\cal B}(B^- \\to \\mu^- {\\bar \\nu}_\\mu \\gamma) \\simeq 1 \\times 10^{-6}$ confirms the enhancement of this decay channel with respect to the purely leptonic mode, and supports the proposal of using this process to access relevant hadronic quantities such as the $B$-meson leptonic decay constant and the CKM matrix element $V_{ub}$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9606219","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"}