Precision Calculations in B physics
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866929498290651136 |
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| author | Steinhauser, Matthias |
| author_facet | Steinhauser, Matthias |
| contents | We discuss recent higher order calculations to properties of $B$ mesons. This includes next-to-next-to-leading order corrections to nonleptonic and next-to-next-to-next-to-leading order corrections to semileptonic $B$ meson decays. The latter is important in connection to the determination of the CKM matrix element $V_{cb}$. We also discuss next-to-next-to-leading order corrections to the width difference in the neutral $B$ meson system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_07572 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Precision Calculations in B physics Steinhauser, Matthias High Energy Physics - Phenomenology We discuss recent higher order calculations to properties of $B$ mesons. This includes next-to-next-to-leading order corrections to nonleptonic and next-to-next-to-next-to-leading order corrections to semileptonic $B$ meson decays. The latter is important in connection to the determination of the CKM matrix element $V_{cb}$. We also discuss next-to-next-to-leading order corrections to the width difference in the neutral $B$ meson system. |
| title | Precision Calculations in B physics |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2409.07572 |