Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-01-26
Phys.Rev. D65 (2002) 105014
Physics
High Energy Physics
High Energy Physics - Phenomenology
24 pages, LaTeX, v2: one reference added
Scientific paper
10.1103/PhysRevD.65.105014
We present a minimal version for the renormalization of softly broken Super-Yang-Mills theories using the extended model with a local gauge coupling. It is shown that the non-renormalization theorems of the case with unbroken supersymmetry are valid without modifications and that the renormalization of soft-breaking parameters is completely governed by the renormalization of the supersymmetric parameters. The symmetry identities in the present context are peculiar, since the extended model contains two anomalies: the Adler-Bardeen anomaly of the axial current and an anomaly of supersymmetry in the presence of the local gauge coupling. From the anomalous symmetries we derive the exact all-order expressions for the beta functions of the gauge coupling and of the soft-breaking parameters. They generalize earlier results to arbitrary normalization conditions and imply the NSVZ expressions for a specific normalization condition on the coupling.
Kraus Elisabeth
Stöckinger Dominik
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