Definition of tanβ beyond tree-level
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✦ hep-ph
keywords
betadifferencesschemesseveralbeyondcontributionsdefinitiondifferent
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We study the relation between different renormalization schemes for the parameter $\tan\beta$ in the Minimal Supersymmetric Standard Model. The contributions of the third-generation quark-squark loops to the differences between $\tan\beta$'s in several schemes are discussed. Their numerical differences are typically within several %.
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