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Revista mexicana de física

Print version ISSN 0035-001X

Rev. mex. fis. vol.50 n.4 México Aug. 2004

 

Carta

 

Pinch technique prescription to compute the electroweak corrections to the muon anomalous magnetic moment

 

L.G. Cabral-Rosetti*, G. López Castro**, J. Pestieau***

 

* Departamento de Física de Altas Energías, Instituto de Ciencias Nucleares, UNAM, Apartado Postal 70-543, 04510 México, D.F., México, E-mail: luis@nuclecu.unam.mx

** Departamento de Física, Centro de Investigación y de Estudios Avanzados del IPN, Apartado Postal 14-740, 07000 México D.F., México, E-mail: glopez@fis.cinvestav.mx

*** Institut de Physique Théorique, Université Catholique de Louvain, B-1348 Louvain-La-Neuve, Belgium, E-mail: pestieau@fyma.ucl.ac.be

 

Recibido el 16 de enero de 2004;
Aceptado el 12 de mayo de 2004.

 

Abstract

We apply a simple prescription derived from the framework of the Pinch Technique formalism to check the calculation of the gauge-invariant one-loop bosonic electroweak corrections to the muon anomalous magnetic moment.

Keywords: Muon anomalous magnetic moment; pinch technique; gauge-invariance.

 

Resumen

Aplicamos la simple prescripción derivada en el marco de la Pinch Technique para corroborar la invariancia de norma en los cálculos a un lazo de las correcciones electrodébiles al momento magnético anómalo del muón.

Descriptores: Momento magnético anómalo del muón; pinch technique; invariancia de norma.

 

PACS: 12.15.Hh, 13.20.Eb, 11.30.Hv,13.40.Ks

 

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Acknowledgements

L.G.C.R. has been partially supported by PAPIIT proyect No. IN109001. G.L.C. acknowledges partial financial support from Conacyt.

 

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