Article (Scientific journals)
b - tau Yukawa nonunification in supersymmetric SU(5) with an Abelian flavor symmetry
Aristizabal Sierra, Diego; Nardi, Enrico
2004In Physics Letters B, 578, p. 176-180
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Keywords :
Unified theories; Mass relations; Flavor symmetries; Quark and lepton masses and mixing
Abstract :
[en] We present a supersymmetric SU(5) x U(1)H model, free from gauge anomalies, where the Abelian factor U(1)H, introduced to account for the hierarchy of fermion masses and mixings, is broken by the same adjoint representations of SU(5) that also break the GUT symmetry. The model predicts approximate, but never exact, bottom-τ Yukawa unification. The deviations are related to group theoretical coefficients and can naturally be at the level of 10%-20%.
Disciplines :
Physics
Author, co-author :
Aristizabal Sierra, Diego ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules
Nardi, Enrico
Language :
English
Title :
b - tau Yukawa nonunification in supersymmetric SU(5) with an Abelian flavor symmetry
Publication date :
January 2004
Journal title :
Physics Letters B
ISSN :
0370-2693
eISSN :
1873-2445
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
578
Pages :
176-180
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 January 2014

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