Title
Split-family SUSY, U(2)<sup>5</sup> flavour symmetry and neutrino physics
Date Issued
01 January 2014
Access level
open access
Resource Type
journal article
Author(s)
Universidad de Valencia
Publisher(s)
Springer New York LLC
Abstract
In split-family SUSY, one can use a U(2)3 symmetry to protect flavour observables in the quark sector from SUSY contributions. However, attempts to extend this procedure to the lepton sector by using an analogous U(2)5 symmetry fail to reproduce the neutrino data without introducing some form of fine-tuning. In this work, we solve this problem by shifting the U(2)2 symmetry acting on leptons towards the second and third generations. This allows neutrino data to be reproduced without much difficulties, as well as protecting the leptonic flavour observables from SUSY. Key signatures are a μ → eγ branching ratio possibly observable in the near future, as well as having selectrons as the lightest sleptons. © 2014 The Author(s).
Start page
1
End page
9
Volume
74
Issue
2
Language
English
OCDE Knowledge area
Física atómica, molecular y química
Scopus EID
2-s2.0-84897623650
Source
European Physical Journal C
ISSN of the container
14346044
Sources of information:
Directorio de Producción Científica
Scopus