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$b \to c l \bar{\nu}$ decays at LHCb
/ Chen, Chen (Marseille, CPPM)
This report introduces two recent measurements of semileptonic $b$-hadron decays at the LHCb experiment, including a test of Lepton Flavour Universality (LFU) using $\bar{B}^0 \to D^{(*)+} l^- \bar{\nu}_l$ decays where $l\in\{\mu,\tau\}$, and a study of the $D^{*+}$ longitudinal polarisation in the $\bar{B}^0 \to D^{*+} \tau^- \bar{\nu}_\tau$ decay. [...]
arXiv:2405.08953.
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2024-05-17 04:35 |
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Updates on inclusive charmed and bottomed meson decays from the lattice
/ Kellermann, Ryan (KEK, Tsukuba) ; Barone, Alessandro (U. Mainz, PRISMA ; U. Southampton (main)) ; Hashimoto, Shoji (KEK, Tsukuba) ; Jüttner, Andreas (U. Southampton (main) ; CERN) ; Kaneko, Takashi (KEK, Tsukuba ; KMI, Nagoya)
With the development of lattice QCD in recent years, a determination of decay rates for inclusive semileptonic decays from lattice correlators now seems viable. [...]
arXiv:2405.06152.
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7 p.
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2024-05-16 08:37 |
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