A Monopole Model for Galactic Nuclei
The monopole may catalyze nucleon decay (1–4), pM → π0e+M (85%) or μ+μ-e+M (15%). The cross section of this process is either 10-26 cm2 (1,2) or 10-36 cm2(5). Products of the decay, e+, π0, μ+ and μ-, transform into photons and some neutrinos, and provides a new energy source in astrophysics.
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