$B_s\to D^{(*)}_s l\nu$ form factors using heavy HISQ quarks

McLean, Euan; Davies, Christine; Lytle, Andrew; Koponen, Jonna; on behalf of HPQCD Collaboration,

doi:10.22323/1.334.0281

Volume 334 - The 36th Annual International Symposium on Lattice Field Theory (LATTICE2018) - Weak Decays and Matrix Elements

$B_s\to D^{(*)}_s l\nu$ form factors using heavy HISQ quarks

E. McLean*, C. Davies, A. Lytle, J. Koponen on behalf of HPQCD Collaboration

*: corresponding author

Full text: pdf

Published on: May 29, 2019

Abstract

We present progress on an ongoing calculation of the

$B_s\to D_s^{(*)} l \nu$ form factors calculated on the

$n_f=2+1+1$ MILC ensembles and using the Highly Improved Staggered Quark action for all valence quarks. We perform the calculation at a range of

$b$ quark masses (and lattice spacings) so that we can extrapolate to the physical

$b$ -quark mass.

DOI: https://doi.org/10.22323/1.334.0281

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