A lattice study of b semileptonic decay
Abstract
We present results from a lattice study of the semileptonic decay b c l l . We use O(a2, αs a2) improved quenched lattices of the MILC collaboration, with lattice spacing 0.13 fm. For the valence quarks, the tadpole-improved clover action is used, with the Fermilab method employed for the heavy quarks. Form factors are extracted from the vector as well as the axial-vector part of the current.
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