Heavy quark effective theory and nonrelativistic QCD Lagrangian to order
- 1 July 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 56 (1) , 230-237
- https://doi.org/10.1103/physrevd.56.230
Abstract
The HQET and NRQCD Lagrangian is computed to order . The computation is performed using dimensional regularization to regulate the ultraviolet and infrared divergences. The results are consistent with reparametrization invariance to order . Some subtleties in the matching conditions for NRQCD are discussed.
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