A lattice study of $Λ_b$ semileptonic decay

Details A lattice study of $Λ_b$ semileptonic decay A lattice study of $Λ_b$ semileptonic decay

2003-01-22

arxiv.org/abs/hep-lat/0301022v1

Nucl.Phys.Proc.Suppl.119:644-646,2003

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 7 figures, Lattice2002(heavyquark)

Scientific paper

10.1016/S0920-5632(03)01612-8

We present results from a lattice study of the semileptonic decay $\Lambda_b \to \Lambda_c l \nu_l $. We use $O(a^2, \alpha_s a^2)$ improved quenched lattices of the MILC collaboration, with lattice spacing $\sim 0.13$ 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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