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Conformal gauge mediation
Authors:M. Ibe  Y. Nakayama  T.T. Yanagida
Affiliation:1. Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94309, USA;2. Physics Department, Stanford University, Stanford, CA 94305, USA;3. Department of Physics, University of Tokyo, Tokyo 113-0033, Japan;4. Research Center for the Early Universe, University of Tokyo, Tokyo 113-0033, Japan
Abstract:We propose a one-parameter theory for gauge mediation of supersymmetry (SUSY) breaking. The spectrum of SUSY particles such as squarks and sleptons in the SUSY standard-model and the dynamics of SUSY-breaking sector are, in principle, determined only by one parameter in the theory, that is, the mass of messengers. Above the messenger threshold all gauge coupling and Yukawa coupling constants in the SUSY-breaking sector are on the infrared fixed point. We find that the present theory may predict a split spectrum of the standard-model SUSY particles, mgauginomgaugino<msfermion, where mgauginomgaugino and msfermionmsfermion are SUSY-breaking masses for gauginos and squarks/sleptons, respectively.
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