Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-10-16
Phys.Rev.D69:015004,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
35 pages, LaTeX, 9 postscript figures
Scientific paper
10.1103/PhysRevD.69.015004
Supersymmetric Slavnov-Taylor and Ward identities are investigated in presence of soft and spontaneous symmetry breaking. We consider an abelian model where soft supersymmetry breaking yields a mass splitting between electron and selectron and triggers spontaneous symmetry breaking, and we derive corresponding identities that relate the electron and selectron masses with the Yukawa coupling. We demonstrate that the identities are valid in dimensional reduction and invalid in dimensional regularization and compute the necessary symmetry-restoring counterterms.
Fischer Ilse
Hollik Wolfgang
Roth Marcel
Stöckinger Dominik
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