What we can learn from the angular differential rates (only) in semileptonic $B \to D^* \ell ν_\ell$ decays
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| Format: | Preprint |
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2024
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| _version_ | 1866910770093096960 |
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| author | Martinelli, G. Simula, S. Vittorio, L. |
| author_facet | Martinelli, G. Simula, S. Vittorio, L. |
| contents | We present a simple approach to the study of semileptonic $B \to D^* \ell ν_\ell$ decays based on the angular distributions of the final state particles only. Our approach is model independent and never requires the knowledge of $\vert V_{cb} \vert$. By studying such distributions in the case of light leptons, a comparison between results from different data sets from the Belle and BelleII Collaborations and between data and Standard Model calculations is also given for several interesting quantities. A good consistency is observed between some of the experimental results and the theoretical predictions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2409_10492 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | What we can learn from the angular differential rates (only) in semileptonic $B \to D^* \ell ν_\ell$ decays Martinelli, G. Simula, S. Vittorio, L. High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice We present a simple approach to the study of semileptonic $B \to D^* \ell ν_\ell$ decays based on the angular distributions of the final state particles only. Our approach is model independent and never requires the knowledge of $\vert V_{cb} \vert$. By studying such distributions in the case of light leptons, a comparison between results from different data sets from the Belle and BelleII Collaborations and between data and Standard Model calculations is also given for several interesting quantities. A good consistency is observed between some of the experimental results and the theoretical predictions. |
| title | What we can learn from the angular differential rates (only) in semileptonic $B \to D^* \ell ν_\ell$ decays |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2409.10492 |