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Dark Matter Catalyzed Baryon Destruction
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abstract
WIMP-type dark matter may have additional interactions that break baryon number, leading to induced nucleon decays which are subject to direct experimental constraints from proton decay experiments. In this work, we analyze the possibility of continuous baryon destruction, deriving strong limits from the dark matter accumulating inside old neutron stars, as such a process leads to excess heat generation. We construct the simplest particle dark matter model that breaks baryon and lepton numbers separately but conserves $B-L$. Virtual exchange by DM particles in this model results in di-nucleon decay via $nn\to n\bar\nu$ and $np\to ne^+$ processes.
Forward citations
Cited by 3 Pith papers
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Can Orbital Decay of Accreting Binary Pulsars Probe Dark Matter?
Dark matter accretion onto binary pulsars is far too weak to affect observed orbital decay, so existing pulsar timing data cannot probe dark matter microphysics.
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