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One-loop contributions of the super-partner particles to $e^-e^+ \to W^-W^+$ in the MSSM

Kaoru Hagiwara·Shinya Kanemura·Yoshiaki Umeda
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Abstract

One-loop contributions of super-partner particles to $W$-pair production at $e^+e^-$ collision are discussed in the MSSM. To obtain trustworthy results we test our calculation using three methods: (1) sum rules among form factors which result from the BRS invariance, (2) the decoupling theorem, (3) the high-energy stability. We examine the corrections taking into account constraints from the direct search experiments and the precision data. The results for the sfermion contributions are presented.

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Kaoru Hagiwara, Shinya Kanemura, Yoshiaki Umeda. 2000-09-17. One-loop contributions of the super-partner particles to $e^-e^+ \to W^-W^+$ in the MSSM. https://arxiv.org/abs/hep-ph/0009200

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