Recent progress on HQET lagrangian

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HQET lagrangian up to $1/m^3$ terms is discussed. Consequences of reparameterization invariance are considered. Results for the chromomagnetic interaction coefficient at two loops, and in all orders in the large--$β_1$ approximation, are presented.
LaTeX2e, 13 pages, figures included; Invited plenary talk at the IV Int. Workshop on Progress in Heavy Quark Physics, Rostock, September 20-22

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/47390

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9711269
 http://arxiv.org/abs/hep-ph/9711269

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arXiv