PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Quark and Lepton Flavor Physics
Studies of the CKM matrix elements and $b$-hadron production using semileptonic decays at LHCb
R. Vazquez gomez*  on behalf of the LHCb collaboration
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Published on: August 02, 2019
Exclusive semileptonic $b$-hadron decays are under good theoretical control, which allows precise determinations of the CKM matrix elements, $V_{ub}$ and $V_{cb}$. The large production of $\Lambda_b$ baryons and $B_s$ mesons at the LHC allows LHCb to provide complementary information with respect to the B-factories in this sector, as well as in the measurement of the shape of the $\Lambda_b$ differential decay rates. Novel experimental techniques are used to measure the fraction of semileptonic $B^+$ to charm meson decays, in order to improve the understanding of the inclusive charm semileptonic rate and the background description for analyses exploiting exclusive $b\rightarrow c$ and $b\rightarrow u$ transitions. The latest LHCb results on CKM matrix element determination and related measurements and searches are presented.
DOI: https://doi.org/10.22323/1.340.0177
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