Exploring Softly Broken SUSY Theories via Grassmannian Taylor Expansion

Details Exploring Softly Broken SUSY Theories via Grassmannian Taylor Expansion Exploring Softly Broken SUSY Theories via Grassmannian Taylor Expansion

1998-12-29

arxiv.org/abs/hep-ph/9812513v1

Phys.Lett.B449:201-206,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 10pp, no figures

Scientific paper

10.1016/S0370-2693(99)00086-6

We demonstrate that soft SUSY breaking introduced via replacement of the couplings of a rigid theory by spurion superfields has far reaching consequences. Substituting these modified couplings into renormalization constants, RG equations, solutions to these equations, fixed points, finiteness conditions, etc., one can get corresponding relations for the soft terms by a simple Taylor expansion over the Grassmannian variables. This way one can get new solutions of the RG equations. Some examples including the MSSM, SUSY GUTs and the N=2 Seiberg-Witten model are given.

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