{"paper":{"title":"Measuring of $|V_{ub}|$ in the forthcoming decade","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. S. Kim (Dept. of Physics, Yonsei Univ.)","submitted_at":"1997-01-18T05:54:37Z","abstract_excerpt":"I first introduce the importance of measuring V_ub precisely. Then, from a theoretician's point of view, I review (a) past history, (b) present trials, and (c) possible future alternatives on measuring |V_ub| and/or |V_ub/V_cb|. As of my main topic, I introduce a model-independent method, which predicts \\Gamma(B -> X_u l \\nu) / \\Gamma(B -> X_c l \\nu) \\equiv (\\gamma_u / \\gamma_c) \\times | V_{ub} / V_{cb}|^2 \\simeq (1.83 \\pm 0.28) \\times |V_ub / V_cb|^2 and |V_ub/V_cb| \\equiv (\\gamma_c / \\gamma_u)^{1/2} \\times [{\\cal{B}}(B -> X_u l \\nu)/{\\cal{B}}(B -> X_c l \\nu)]^{1/2} \\simeq (0.74 \\pm 0.06) \\ti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9701316","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"}