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Form factors for semileptonic $B\to \pi\ , B_s\to K$ and $B_s\to D_s$ decays

We report on our determinations of $B\to \pi\ell\nu$, $B_s\to K \ell \nu$ and $B_s\to D_s \ell \nu$ semileptonic form factors. In addition we discuss the determination of $R$-ratios testing lepton-flavor universality and suggest an improved ratio. Our calculations are based on the set of 2+1 flavor...

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Detalles Bibliográficos
Autores principales:	Flynn, Jonathan, Hill, Ryan, Juettner, Andreas, Soni, Amarjit, Tsang, Justus Tobias, Witzel, Oliver
Lenguaje:	eng
Publicado:	2021
Materias:	hep-lat Particle Physics - Lattice
Acceso en línea:	https://dx.doi.org/10.22323/1.396.0306 http://cds.cern.ch/record/2799043

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