TY - JOUR
T1 - Semileptonic decays on the lattice
T2 - The exclusive 0- to 0- case
AU - Bernard, Claude W.
AU - El-Khadra, Aida X.
AU - Soni, Amarjit
PY - 1991
Y1 - 1991
N2 - We present our results for the meson form factors of several semileptonic decays. They are computed from the corresponding matrix elements evaluated on the lattice as ratios of Green's functions. The renormalization of the local operators is calculated nonperturbatively. The dependence of the form factors on the four-momentum transfer q2 is studied by injecting external three-momenta to the initial- and final-state mesons. We study the pseudoscalar decays Kl, DKl, Dl, Dsl, and DsKl on different lattices. We also analyze scaling, finite-size, and SU(3)-symmetry-breaking effects. The uncertainties in some lattice parameters, e.g., a-1, as a source of systematic errors in this calculation are discussed.
AB - We present our results for the meson form factors of several semileptonic decays. They are computed from the corresponding matrix elements evaluated on the lattice as ratios of Green's functions. The renormalization of the local operators is calculated nonperturbatively. The dependence of the form factors on the four-momentum transfer q2 is studied by injecting external three-momenta to the initial- and final-state mesons. We study the pseudoscalar decays Kl, DKl, Dl, Dsl, and DsKl on different lattices. We also analyze scaling, finite-size, and SU(3)-symmetry-breaking effects. The uncertainties in some lattice parameters, e.g., a-1, as a source of systematic errors in this calculation are discussed.
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U2 - 10.1103/PhysRevD.43.2140
DO - 10.1103/PhysRevD.43.2140
M3 - Article
AN - SCOPUS:35949013387
SN - 0556-2821
VL - 43
SP - 2140
EP - 2156
JO - Physical Review D
JF - Physical Review D
IS - 7
ER -