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

$B\rightarrow D^\ast\ell\nu$ at non-zero recoil

Jul 27, 2018, 2:20 PM
20m
103 (Kellogg Hotel and Conference Center)

103

Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Weak Decays and Matrix Elements Weak Decays and Matrix Elements

Speaker

Dr Alejandro Vaquero (University of Utah)

Description

We present preliminary blinded results from our analysis of the form factors for B¯→D⋆ℓν¯ decay at non-zero recoil. Our analysis includes 15 MILC asqtad ensembles with Nf=2+1 flavors of sea quarks and lattice spacings ranging from a≈0.15 fm down to 0.045 fm. The valence light quarks employ the asqtad action, whereas The b and c quarks are treated using the Fermilab action. We discuss the impact that our results will have on |V_cb| and R(D*).

Primary authors

Prof. Aida El-Khadra (University of Illinois at Urbana-Champaign) Dr Alejandro Vaquero (University of Utah) Dr Andreas Kronfeld (Fermilab) Carleton DeTar (University of Utah) Dr John Laiho (University of Syracuse) Dr Ruth Van de Water (Fermilab)

Presentation Materials