Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-12-08
JHEP 1103:035,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
34 pages, 6 figures; version accepted for publication in JHEP
Scientific paper
10.1007/JHEP03(2011)035
We consider an extension of the Standard Model in which the symmetry is enlarged by a global flavour factor A4 and the scalar sector accounts for three copies of the Standard Model Higgs, transforming as a triplet of A4. In this context, we study the most general scalar potential and its minima, performing for each of them a model independent analysis on the related phenomenology. We study the scalar spectrum, the new contributions to the oblique corrections, the decays of the Z and W, the new sources of CP and flavour violation, which all are affected by the introduction of multiple Higgses transforming under A4. We find that this model independent approach discriminates the different minima allowed by the scalar potential.
Adelhart Toorop Reinier de
Bazzocchi Federica
Merlo Luca
Paris Alessio
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