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arXiv · hep-lat/9909159

$O(α_{s}a)$ matching coefficients for axial vector current and $ΔB$$=$2 operator

K-I. Ishikawa·T. Onogi·N. Yamada
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Abstract

We present a calculation of the perturbative matching coefficients including mixing with higher dimensional operators for the temporal component of the heavy-light axial current, $A_{4}$, and the $ΔB=2$ operator, $O_S$. For $A_{4}^{\scriptsize static, NRQCD}$, calculations with various RG-improved gauge actions are peformed. Matching coefficients with NRQCD and heavy-clover actions are also compared.

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K-I. Ishikawa, T. Onogi, N. Yamada. 1999-09-28. $O(α_{s}a)$ matching coefficients for axial vector current and $ΔB$$=$2 operator. https://doi.org/10.1016/s0920-5632(00)91654-2

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