{"paper":{"title":"Comment on $V_{ub}$ from Exclusive Semileptonic B and D Decays","arxiv_id":"hep-ph/9711248","primary_cat":"hep-ph","submitted_at":"1997-11-06T06:04:20+00:00","version_compiled":"v2"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13-20260917 on the question bank abstract-p1-20260923, exactly as returned. 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