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# 36th Annual International Symposium on Lattice Field Theory

22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

## $B \to D^{(*)}\ell\nu$ form factors from $N_f$=2+1 QCD with Moebius domain-wall quarks

Jul 24, 2018, 6:45 PM
2h
Lincoln (Kellogg Hotel and Conference Center)

### Lincoln

#### Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Poster

### Speaker

Dr Takashi Kaneko (KEK)

### Description

We report our preliminary results for the $B \to D^{(*)}\ell\nu$ semileptonic form factors at zero and nonzero recoils in 2+1 flavor QCD. The Moebius domain-wall action is employed for light, charm and bottom quarks at lattice cutoffs $a^{-1}$ = 2.5 and 3.6 GeV. We take bottom quark masses up to 2.4 times the physical charm mass to control discretization effects. We test the heavy quark scaling of the form factors for the extrapolation to the physical bottom mass.

### Presentation Materials

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