Abstract
In the context of the Callan-Rubakov effect, it is, in principle, possible for a gauged non-topological soliton (NTS) inside which a grand unified symmetry is realized to catalyse baryon decay. In this paper, assuming a gauged NTS which the localizd FLS (Friedberg, Lee, and Sirlin)’s model admits to form during a grand unified phase transition, we calculate the cross-section for quark-to-lepton transition due to the gauged NTS, and learn that there is a range of parameters for which our cross-section gets away from a naive geometric one, and which is consistent with that for the existence of stable gauged NTSs.
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