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B → D* l ν with 2+1 flavors
Presenter: Jack Laiho — Fermilab
Jack Laiho for the Fermilab lattice and MILC collaborations
We present a calculation of the form factor for B→ D* l ν 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.
© 2006, University of Regensburg, Dept. of Physicscontact: lat07 at physik.uni-regensburg.de