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Particle production from Q-balls | | Stephen Clark
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6 Oct 2005 | | Subject: | hep-ph | | Abstract: | Non topological solitons, Q-balls can arise in many particle theories with U(1) global symmetries. As was shown by Cohen et al. cite{Qballscohen}, if the corresponding scalar field couples to massless fermions, large Q-balls are unstable and evaporate, producing a fermion flux proportional to the Q-ball’s surface. In this paper we analyse Q-ball instabilities as a function of Q-ball size ans fermion mass. In particular, we construct an exact quantum-mechanical description of the evaporating Q-ball. | | Source: | arXiv, hep-ph/0510078 | | Services: | Forum | Review | PDF | Favorites | |
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