Unitarity applied to hidden sector processes

Friday May 28th, 14:30  -  Seminar room

Speaker: Antonio Delgado (Notre Dame, Indiana)

Abstract:

There has been some attention to the possibility that there exist hidden sectors coupled to the standard model with couplings suppressed by an energy scale such that it has not been possible to access them yet but the LHC will have

enough energy to open that windows. I will use very general unitarity arguments to bound the cross sections that those hidden sector could mediate, in particular I will provide a very stringent bound for pp-> 4 gamma for the case of unparticles.

 

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