Dark Matter Catalyzed Baryon Destruction

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 $np\to n{e}^{+}$ processes.

v2: 9 pages, 3 figures. Minor changes (text improved), Conclusions Unchanged. Matches version published in PRD

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Cited by in corpus (7)

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• Baryon Number Violation: From Nuclear Matrix Elements to BSM Physics
• Axion-Like Particle Mediated Dark Matter and Neutron Star Properties in the QHD Model
• Seeking the nearest neutron stars using a new local electron density map
• Radiation Exposure from the Dark
• Strongly Interacting Dark Matter admixed Neutron Stars
• Dark Matter Induced Nucleon Decay Through the Neutron Portal