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Two-loop renormalization of the effective field theory of a static quark

Physics Letters B, no. 1 (1991): 105-110

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We give a recurrence relation for two-loop integrals encountered in the effective field theory of an infinitely heavy quark, Q, interacting with gluons and Nl massless quarks, q, from which we obtain exact two-loop results, in any dimension and covariant gauge, for the propagator of Q and the vertex function of the heavy-light current J =...更多

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