$B_s \to K\ellν$ form factors from lattice QCD with domain-wall heavy quarks

We report on our on-going study of the $B_{s} \to K ℓ ν$ decay in $N_{f} = 2 + 1$ lattice QCD. We employ fully relativistic setup in which the Möbius domain-wall action is used for all quark flavors. The lattice cutoff is $a^{- 1} \sim 2.5$ GeV, where we take bottom quark masses up to $m_{Q} ⁣ < ⁣ 0.7 a^{- 1}$ in order to control discretization errors. We present preliminary results for the relevant form factors extracted from correlator ratios by inspecting their ground state saturation.

$B_{s} \to K ℓ ν$ form factors from lattice QCD with domain-wall heavy quarks

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$B_{s} \to K ℓ ν$ form factors from lattice QCD with domain-wall heavy quarks

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Bs→KℓνBs​→Kℓν form factors from lattice QCD with domain-wall heavy quarks

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Bs→KℓνBs​→Kℓν form factors from lattice QCD with domain-wall heavy quarks

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$B_{s} \to K ℓ ν$ form factors from lattice QCD with domain-wall heavy quarks

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AI智能校验

$B_{s} \to K ℓ ν$ form factors from lattice QCD with domain-wall heavy quarks

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AI智能校验