Artículo
Probing lepton flavour violation via neutrinoless τ⟶3μ decays with the ATLAS detector
Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Aben, R.; Alconada Verzini, María Josefina
; Alonso, Francisco
; Arduh, Francisco Anuar
; Dova, Maria Teresa
; Monticelli, Fernando Gabriel
; Wahlberg, Hernan Pablo
; Otero y Garzon, Gustavo Javier
; Piegaia, Ricardo Nestor
; Reisin, Hernan Diego
; Sacerdoti, Sabrina
; Zibell. A.; Zieminska, D.; Zimine, N. I.; Zimmermann, C.; Zimmermann, S.; Zinonos, Z.; Zinser, M.; Ziolkowski, M.; Živković, L.; Zobernig, G.; Zoccoli, A.; Nedden, M. zur; Zurzolo, G.; Zwalinski, L.; The ATLAS Collaboration
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Fecha de publicación:
01/2016
Editorial:
Springer
Revista:
European Physical Journal C: Particles and Fields
ISSN:
1434-6044
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
This article presents the sensitivity of the ATLAS experiment to the lepton-flavour-violating decays of τ → 3µ. A method utilising the production of τ leptons via W → τν decays is used. This method is applied to the sample of 20.3 fb−1 of pp collision data at a centre-ofmass energy of 8 TeV collected by the ATLAS experiment at the LHC in 2012. No event is observed passing the selection criteria, and the observed (expected) upper limit on the τ lepton branching fraction into three muons, Br(τ → 3µ), is 3.76 × 10−7 (3.94 × 10−7 ) at 90% confidence level.
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Articulos de INST.DE FISICA LA PLATA
Citación
Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Aben, R.; et al.; Probing lepton flavour violation via neutrinoless τ⟶3μ decays with the ATLAS detector; Springer; European Physical Journal C: Particles and Fields; 76; 232; 1-2016
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