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Abstract: We discuss theories of gauge mediation in which the hidden sector consists oftwo subsectors which are weakly coupled to each other. One sector is made up ofmessengers and the other breaks supersymmetry. Each sector by itself may bestrongly coupled. We provide a unifying framework for such theories and discusstheir predictions in different settings. We show how this frameworkincorporates all known models of messengers. In the case of weakly-coupledmessengers interacting with spurions through the superpotential, we prove thatthe sfermion mass-squared is positive, and furthermore, that there is a lowerbound on the ratio of the sfermion mass to the gaugino mass.

Author: Thomas T. Dumitrescu, Zohar Komargodski, Nathan Seiberg, David Shih


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