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Renormalization group equations and infrared quasi-fixed-point behaviour of non-universal soft terms in MSSM

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The renormalization group equations (RGEs) of non-universal soft supersymmetric breaking terms with CP-violating phases are analysed in this paper. We obtain the analytic solutions of RGEs by solving the RGEs directly. Compared with the method of spurion expansion our approach proves to be simple and succinct, and is easily extended to the case of complex parameters. With the analytical forms of the solutions we obtained, the infrared quasi-fixed-point behaviour of soft terms can be analysed and it turns out to support the notion of scenarios with CP-violating phases.

Document Type: Miscellaneous

Affiliations: 1: Institute of Theoretical Physics, Academia Sinica, 100080 Beijing, People's Republic of China 2: Physics Department of Tsinghua University, 100080 Beijing, People's Republic of China

Publication date: April 1, 2001

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