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Exploring the Invisible Renormalon: Renormalization of the Heavy-Quark Kinetic Energy
Using the virial theorem of the heavy-quark effective theory, we show that the mixing of the operator for the heavy-quark kinetic energy with the identity operator is forbidden at the one-loop order by Lorentz invariance. This explains why such a mixing was not observed in several one-loop calculati...
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| Lenguaje: | eng |
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1996
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| Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(96)01600-0 http://cds.cern.ch/record/313550 |