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- W3002100644 abstract "We present results for semi-leptonic form-factors obtained on a statistical sample of $66$ $32^3 times 64$ lattices at $beta = 6.0$ using quenched Wilson fermions. We find $f_+^{D to K l nu}(q^2 = 0) = 0.73 pm 0.06$, $A_2/A_1({D to K^* l nu}) = 0.72 pm 0.22$, $V/A_1({D_s to phi l nu}) = 1.91 pm 0.04$, and $A_2/A_1({D_s to phi l nu}) = 0.68 pm 0.09$, where the error estimate includes statistical errors and errors due to extrapolation to $q^2 =0$ and to physical values of $(m_u + m_d)/2$ and $m_s$. The remaining sources of systematic errors are those due to $O(a)$ discretization errors and those due to quenching, which our results indicate may be small. We also comment on the validity of pole-dominance in these form-factors. Source available from this http URL" @default.
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- W3002100644 date "1994-09-12" @default.
- W3002100644 modified "2023-09-27" @default.
- W3002100644 title "Semi-leptonic form-factors from lattice qcd" @default.
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