HQET renormalization group improved Lagrangian at mathcal{O}(1/m³) with leading logarithmic accuracy: Spin-dependent case
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classification
hep-ph
keywords
casegroupimprovedlagrangianleadinglogarithmicrenormalizationspin-dependent
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We obtain the renormalization group improved expressions of the Wilson coefficients associated to the ${\cal O}(1/m^3)$ spin-dependent heavy quark effective theory Lagrangian operators, with leading logarithmic approximation, in the case of zero light quarks. We have employed the Coulomb gauge.
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