GUT predictions for quark and lepton mass ratios

Details GUT predictions for quark and lepton mass ratios GUT predictions for quark and lepton mass ratios

2009-08-11

arxiv.org/abs/0908.1520v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Based on a talk given at SUSY 09; 5 pages, 1 figure, 2 tables

Scientific paper

Group theoretical factors from GUT symmetry breaking can lead to predictions for the ratios of quark and lepton masses at the unification scale. Due to supersymmetric (SUSY) threshold corrections the viability of such predictions can depend strongly on the SUSY parameters. We derive possible new predictions for the GUT scale ratios m_\mu/m_s, y_\tau/y_b and y_t/y_b and compare them with the experimentally allowed ranges for three common SUSY breaking scenarios.

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