Constraints on Four Fermion Contact Interactions from Precise Electroweak Measurements

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We establish constraints on a general four-fermion contact interaction from precise measurements of electroweak parameters. We compute the one-loop contribution for the leptonic $Z$ width, anomalous magnetic, weak-magnetic, electric and weak dipole moments of leptons in order to extract bounds on the energy scale of these effective interactions.
16 pages, RevTeX, two figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/185260

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9802254
 http://arxiv.org/abs/hep-ph/9802254
 J.Phys.G24:2213-2221,1998
 doi:10.1088/0954-3899/24/12/005

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arXiv