A SUSY A4 model for fermion masses and mixings

被引：78
|
作者：
Bazzocchi, F.
Kaneko, S.
Morisi, S.
机构：
[1] Instituto de Física Corpuscular, C.S.I.C./Universitat de València, Campus de Paterna, E-46071 València
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2008年 / 03期
关键词：
discrete and finite symmetries; neutrino physics; beyond standard model; quark masses and SM parameters;
D O I：
10.1088/1126-6708/2008/03/063
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We study a supersymmetric extension of the Standard Model based on discrete A(4) x Z(3) x Z(4) flavor symmetry. We obtain quark mixing angles as well as a realistic fermion mass spectrum and we predict tribimaximal leptonic mixing by a spontaneous breaking of A(4). The top quark Yukawa interaction is present at the renormalizable level in the superpotential while all the other Yukawa interactions arise only at higher orders. We study the Higgs potential and show that it can potentially solve the so called vacuum alignment problem. The leading order predictions are not spoiled by subleading corrections.
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收藏
页数：18
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