Constraints on anomalous charged current couplings, tau neutrino mass and fourth generation mixing from tau leptonic branching fractions
We use recent experimental measurements of tau branching fractions to determine the weak charged current magnetic and electric dipole moments of the tau and the Michel parameter η with unprecedented precision. These results are then used to constrain the tau compositeness scale and the allowed param...
Guardado en:
Autores principales: | , , |
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Formato: | Articulo Preprint |
Lenguaje: | Inglés |
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1999
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Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/81405 http://arxiv.org/abs/hep-ph/9811209v1 |
Aporte de: |
id |
I19-R120-10915-81405 |
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record_format |
dspace |
institution |
Universidad Nacional de La Plata |
institution_str |
I-19 |
repository_str |
R-120 |
collection |
SEDICI (UNLP) |
language |
Inglés |
topic |
Ciencias Exactas Física leptons w boson |
spellingShingle |
Ciencias Exactas Física leptons w boson Dova, María Teresa Swain, John Taylor, Lucas Constraints on anomalous charged current couplings, tau neutrino mass and fourth generation mixing from tau leptonic branching fractions |
topic_facet |
Ciencias Exactas Física leptons w boson |
description |
We use recent experimental measurements of tau branching fractions to determine the weak charged current magnetic and electric dipole moments of the tau 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. We also present new constraints on the mass of the tau neutrino and its mixing with a fourth generation neutrino. |
format |
Articulo Preprint |
author |
Dova, María Teresa Swain, John Taylor, Lucas |
author_facet |
Dova, María Teresa Swain, John Taylor, Lucas |
author_sort |
Dova, María Teresa |
title |
Constraints on anomalous charged current couplings, tau neutrino mass and fourth generation mixing from tau leptonic branching fractions |
title_short |
Constraints on anomalous charged current couplings, tau neutrino mass and fourth generation mixing from tau leptonic branching fractions |
title_full |
Constraints on anomalous charged current couplings, tau neutrino mass and fourth generation mixing from tau leptonic branching fractions |
title_fullStr |
Constraints on anomalous charged current couplings, tau neutrino mass and fourth generation mixing from tau leptonic branching fractions |
title_full_unstemmed |
Constraints on anomalous charged current couplings, tau neutrino mass and fourth generation mixing from tau leptonic branching fractions |
title_sort |
constraints on anomalous charged current couplings, tau neutrino mass and fourth generation mixing from tau leptonic branching fractions |
publishDate |
1999 |
url |
http://sedici.unlp.edu.ar/handle/10915/81405 http://arxiv.org/abs/hep-ph/9811209v1 |
work_keys_str_mv |
AT dovamariateresa constraintsonanomalouschargedcurrentcouplingstauneutrinomassandfourthgenerationmixingfromtauleptonicbranchingfractions AT swainjohn constraintsonanomalouschargedcurrentcouplingstauneutrinomassandfourthgenerationmixingfromtauleptonicbranchingfractions AT taylorlucas constraintsonanomalouschargedcurrentcouplingstauneutrinomassandfourthgenerationmixingfromtauleptonicbranchingfractions |
bdutipo_str |
Repositorios |
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1764820488077443073 |