B -> D* l nu with 2+1 flavors

Details B -> D* l nu with 2+1 flavors B -> D* l nu with 2+1 flavors

2007-10-05

arxiv.org/abs/0710.1111v1

PoSLAT2007:358,2007

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 3 figures; proc. of the XXV International Symposium on Lattice Field Theory, July 30 - August 4, 2007, Regensburg, Ge

Scientific paper

We present a calculation of the form factor for B -> D* l nu using a 2+1
improved staggered action for the light quarks (on the MILC configurations),
and the Fermilab action for the heavy quarks. The form factor is computed at
zero recoil using a new double ratio method which yields the form factor more
directly than previous approaches.

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