Gauge dependence and renormalization of tan(beta)

Details Gauge dependence and renormalization of tan(beta) Gauge dependence and renormalization of tan(beta)

2002-10-28

arxiv.org/abs/hep-ph/0210372v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented by D.S. at the SUSY02 conference (10th International Conference on Supersymmetry and Unification of Fundamental

Scientific paper

Renormalization schemes for tan(beta) are discussed in view of their gauge
dependence. It is shown that several common renormalization schemes lead to a
gauge-dependent definition of tan(beta), whereas two classes of
gauge-independent schemes show even worse disadvantages. We conclude that the
DRbar-scheme is the best compromise.

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