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Monopole Catalysis From Scattering Amplitudes

Date and Time: Tuesday, November 02, 2021, 02:30pm -
Location: https://rutgers.zoom.us/j/94699297301?pwd=SVJieHRUYUtmZmRCbGZKQlBTMTRPdz09
 

Speaker: Ofri Telem

Abstract: Using our novel construction of the S-matrix for the scattering of electric and magnetic charges, we address the notoriously confusing effect of Monopole Catalysis. In particular, we provide an on-shell derivation of the Rubakov-Callan effect, as well as address the famous “monopole unitarity paradox” - where there seems to be no valid final state in the scattering of a positron with a GUT monopole. Our proposed final state involves 3 fermions with total J=0, which conserve all SM quantum numbers and can escape the core by virtue of their entanglement with the monopole.

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