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Anomalous charged current couplings of the tau and implications for tau compositeness and two-Higgs-doublet models

Document type: Preprint

Abstract

The leptonic branching fractions of the tau lepton are sensitive to anomalous charged current interactions. We use recent experimental measurements to determine the weak charged current magnetic and electric dipole moments and the Michel parameter η with unprecedented precision. These results are then used to constrain the tau compositeness scale and the allowed parameter space for Higgs doublet models.

General information

Issue date: 1998
Document language: English
Journal: Physical Review D; vol. 58, no. 1
Origin: Facultad de Ciencias Exactas
Others identifiers: arXiv:hep-ph/9712384
ISSN: 0556-2821; 1089-4918
xmlui.dri2xhtml.METS-1.0.item-dc-subject: Particle physics ; Physics ; Higgs boson ; Dipole ; Lepton ; Nuclear physics ; Charged current ; Parameter space
Subjects: Física

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Created: 23 de agosto de 2021
Available since: 23 de agosto de 2021
Please, use one of this identificators(URI) for cite o linking this item:
  • http://sedici.unlp.edu.ar/handle/10915/123186
  • https://doi.org/10.1103/physrevd.58.015005

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