Q-ball Metamorphosis

Details Q-ball Metamorphosis Q-ball Metamorphosis

2004-03-18

arxiv.org/abs/hep-ph/0403199v1

Phys.Rev. D70 (2004) 043517

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 5 figures

Scientific paper

10.1103/PhysRevD.70.043517

Flat directions in the minimal supersymmetric standard model are known to deform into non-topological solitons, Q-balls, which generally possess both baryon and lepton asymmetries. We investigate how Q-balls evolve if some of the constituent fields of the flat direction decay into light species. It is found that the Q-balls takes a new configuration whose energy per charge slightly increases due to the decay. Specifically, we show that all the stable Q-balls eventually transform into pure B-balls via the decay into neutrinos.

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