A proposal to solve some puzzles in semileptonic B decays

Details A proposal to solve some puzzles in semileptonic B decays A proposal to solve some puzzles in semileptonic B decays

2012-02-08

arxiv.org/abs/1202.1834v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 4 figures

Scientific paper

Some long-standing problems in the experimental data for semileptonic b -> c l nu decay rates have resisted attempts to resolve them, despite substantial efforts. We summarize the issues, and propose a possible resolution, which may alleviate several of these tensions simultaneously, including the "1/2 vs. 3/2 puzzle" and the composition of the inclusive decay rate in terms of exclusive channels.

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