The HQET/NRQCD Lagrangian to order alpha/m3
Aneesh Manohar
Abstract
The HQET/NRQCD Lagrangian is computed to order alpha/m3. The computation is performed using dimensional regularization to regulate the ultraviolet and infrared divergences. The results are consistent with reparametrization invariance to order 1/m3. Some subtleties in the matching conditions for NRQCD are discussed.
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