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Journal of High Energy Physics Volume 2005 JHEP08(2005) Create an alert RSS this journal

Michael R. Ramage and Graham G. Ross JHEP08(2005)031 doi:10.1088/1126-6708/2005/08/031

Soft SUSY breaking and family symmetry

Michael R. Ramage1 and Graham G. Ross1,2

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Abstract References Cited By
A spontaneously broken non-abelian SU(3) family symmetry can generate a realistic form for quark, charged lepton and neutrino masses and mixing angles. It also gives a new solution to the SUSY flavour problem by ensuring near family degeneracy of the soft mass SUSY breaking terms. However the need to generate large third generation fermion masses means that the group must be strongly broken to SU(2) giving significant corrections to the third family squark and slepton masses. We investigate the phenomenological implications of such breaking and show that it leads to new solutions capable of fitting all present experimental measurements and bounds as well as the dark matter abundance.

Keywords

Supersymmetry Breaking

Supersymmetry Phenomenology

Supersymmetric Standard Model

Cosmology of Theories beyond the SM

 

E-print Number: hep-ph/0307389

Cited: by |

Refers: to

PACS

11.30.Pb Supersymmetry

12.60.Jv Supersymmetric models

11.30.Qc Spontaneous and radiative symmetry breaking

14.80.Ly Supersymmetric partners of known particles

Subjects

Particle physics and field theory

Dates

Issue 08 (August 2005)

Received 8 April 2005, accepted for publication 22 July 2005

Published 8 August 2005



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