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- W4310430183 abstract "We address the non-perturbative calculation of the decay rate of inclusive semi-leptonic $B_{(s)}$ mesons decays from lattice QCD. Precise theoretical Standard Model predictions are key ingredients in searches for new physics. This type of computation may eventually provide new insight into the long-standing tension between the inclusive and exclusive determinations of the CKM matrix elements $|V_{cb}|$ and $|V_{ub}|$. We perform a pilot lattice computation for $B_s rightarrow X_c , l nu_l$ and improve on existing techniques. The valence-quark masses in our simulations are approximately physical for the domain-wall strange and charm quarks as well as for the bottom quark, for which we use a relativistic heavy quark effective action. We report on our progress and discuss future plans towards a first study with fully controlled systematic effects." @default.
- W4310430183 created "2022-12-10" @default.
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- W4310430183 date "2022-11-28" @default.
- W4310430183 modified "2023-09-27" @default.
- W4310430183 title "Inclusive semi-leptonic $B_{(s)}$ mesons decay at the physical $b$ quark mass" @default.
- W4310430183 doi "https://doi.org/10.48550/arxiv.2211.15623" @default.
- W4310430183 hasPublicationYear "2022" @default.
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