New physics search via angular distribution of $B \rightarrow D^* \ell ν_{\ell}$ decay in the light of the new lattice data
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866929268409237504 |
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| author | Kapoor, Tejhas Huang, Zhuo-Ran Kou, Emi |
| author_facet | Kapoor, Tejhas Huang, Zhuo-Ran Kou, Emi |
| contents | In this article, we investigate the potential of the angular distribution of the $B \rightarrow D^* \ell ν_{\ell}$ process to search for new physics signals. The Belle collaboration has analysed it to constraint $V_{cb}$ and the $B\to D^*$ form factors, under the assumption of the Standard Model. With the newly released lattice QCD data, we can perform a simultaneous fit of the form factors, $V_{cb}$ as well as new physics parameters. We use the Belle data and the lattice data to constrain right-handed new physics. In addition, we also generate unbinned pseudo-dataset and perform a sensitivity study on more general new physics models, using the lattice data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_11636 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | New physics search via angular distribution of $B \rightarrow D^* \ell ν_{\ell}$ decay in the light of the new lattice data Kapoor, Tejhas Huang, Zhuo-Ran Kou, Emi High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice In this article, we investigate the potential of the angular distribution of the $B \rightarrow D^* \ell ν_{\ell}$ process to search for new physics signals. The Belle collaboration has analysed it to constraint $V_{cb}$ and the $B\to D^*$ form factors, under the assumption of the Standard Model. With the newly released lattice QCD data, we can perform a simultaneous fit of the form factors, $V_{cb}$ as well as new physics parameters. We use the Belle data and the lattice data to constrain right-handed new physics. In addition, we also generate unbinned pseudo-dataset and perform a sensitivity study on more general new physics models, using the lattice data. |
| title | New physics search via angular distribution of $B \rightarrow D^* \ell ν_{\ell}$ decay in the light of the new lattice data |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2401.11636 |