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Hide and Seek with Massive Fields in Modulus Mediation.

08:00 EDT 11th October 2019 | BioPortfolio

Summary of "Hide and Seek with Massive Fields in Modulus Mediation."

We study the modulus mediation of supersymmetry breaking motivated by superstring theory. We show that the renormalization group running of the soft supersymmetry breaking parameters due to the interactions of massive fields is canceled by the threshold corrections at one-loop order, if their mass is given by nonperturbative dynamics controlled by the same modulus that mediates supersymmetry breaking and a sum rule of the modular weights holds for the Yukawa couplings. As an example, we discuss order reduction of lepton flavor violation in the supersymmetric seesaw mechanism, which revives the parameter space already excluded.

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This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 151801

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