We discuss the main issues in dealing with heavy quarks on the lattice and shortly present
the different approaches used. We discuss a selection of computations covering first the b …

A bstract We improve QCD calculations of the semileptonic B d, s→ π, K decay form factors
at large hadronic recoil by implementing the next-to-leading-logarithmic resummation for the …

Semileptonic B s→ K ℓ ν decays provide an alternative b-decay channel to determine the
Cabibbo-Kobayashi-Maskawa (CKM) matrix element| V ub| and to obtain a R-ratio to …

A bstract We provide hadronic input for the B-meson semileptonic transitions to a light
pseudoscalar meson at large recoil. The B s→ K form factor calculated from QCD light-cone …

We use lattice QCD to calculate the form factors f+(q 2) and f 0 (q 2) for the semileptonic
decay B s→ K ℓ ν. Our calculation uses six MILC asqtad 2+ 1 flavor gauge-field ensembles …

Within the framework of large-momentum effective theory (LaMET), we propose a hard-
collinear factorization formula to extract the subleading-twist B-meson light-cone distribution …

Semileptonic and leptonic B decays, circa 2016 | Modern Physics Letters A World Scientific
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In light of the first observation of the semileptonic decay B s 0→ K-μ+ ν μ by the LHCb
Collaboration, we revisit the determination of the Cabibbo-Kobayashi-Maskawa parameter …

We present a new normalization condition for the axial current, derived from the PCAC
relation with non-vanishing quark mass. This condition is expected to reduce mass effects in …

In this paper, we calculate the ratio of Cabibbo-Kobayashi-Maskawa matrix elements,| V
ub|/| V cb|, based on the semileptonic decay B s 0→ K-μ+ ν μ. Its key component, the B s→ K …