A bstract In\({\Lambda} _b^ 0\to {\Lambda} _c^{+}\left (\to {\Lambda}^ 0 {\pi}^{+}\right){\tau}^{-
}{\overline {v}} _ {\tau}\) decay, the solid angle of the final-state particle τ− cannot be …

We benefit from a recent lattice determination of the full set of vector, axial and tensor form
factors for the Λ b→ Λ c*(2595) τ ν¯ τ and Λ c*(2625) τ ν¯ τ semileptonic decays to study the …

A bstract For a general H b→\({H} _c\tau {\overline {\nu}} _ {\tau}\) decay we analyze the role
of the τ polarization vector\({\mathcal {P}}^{\mu}\) in the context of lepton flavor universality …

A bstract We benefit from the lattice QCD determination by the HPQCD of the Standard
Model (SM) form factors for the\({\overline {B}} _s\to {D} _s\)[Phys. Rev. D 101 (2020) …

A bstract We study the d 2 Γ d/(dωd cos θ d), dΓ d/d cos θ d and dΓ d/dE d distributions,
which are defined in terms of the visible energy and polar angle of the charged particle from …

A bstract The semitauonic\({B} _c^{-}\to J/\psi {\tau}^{-}{\overline {\nu}} _ {\tau}\) decay
provides an ideal and clean mode to scrutinize possible new physics effects in\(b\to c {\tau} …

A bstract In\({B} _c^{-}\)→ J/ψ (→ μ+ μ−) τ−\({\overline {\nu}} _ {\tau}\) decay, the three-
momentum\({\boldsymbol {p}} _ {\tau^{-}}\) cannot be determined accurately due to the decay …

We benefit from the lattice QCD determination of the Standard Model (SM) form factors for
the B¯ s→ D∗ s and B¯ s→ Ds semileptonic decays carried out by the HPQCD collaboration …

Lepton flavor universality can be tested through the ratio of semileptonic B meson decays
and leptonic ϒ meson decays, with ϒ≡ ϒ (n S)(n= 1, 2, 3). For the charged-current …

Recently, the experimental measurements of the branching ratios and different polarization
asymmetries for the processes occurring through flavor-changing-charged current …