$B_s \to K\ellν$ form factors from lattice QCD with domain-wall heavy quarks
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| Main Authors: | , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866910652457549824 |
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| author | Mohanta, Protick Kaneko, Takashi Hashimoto, Shoji |
| author_facet | Mohanta, Protick Kaneko, Takashi Hashimoto, Shoji |
| contents | We report on our on-going study of the $B_s \to K\ellν$ 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 $m_Q\!<\!0.7a^{-1}$ 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_01570 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | $B_s \to K\ellν$ form factors from lattice QCD with domain-wall heavy quarks Mohanta, Protick Kaneko, Takashi Hashimoto, Shoji High Energy Physics - Lattice We report on our on-going study of the $B_s \to K\ellν$ 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 $m_Q\!<\!0.7a^{-1}$ 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. |
| title | $B_s \to K\ellν$ form factors from lattice QCD with domain-wall heavy quarks |
| topic | High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2401.01570 |