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Indirect Detection of Composite (Asymmetric) Dark Matter

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arxiv 1908.00538 v2 pith:T6JYTDFH submitted 2019-08-01 hep-ph astro-ph.COhep-latnucl-th

classification hep-phastro-ph.COhep-latnucl-th
keywords darkmatterindirectasymmetricdetectiondiffuseenergymasses
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Dark Matter can form bound states upon the emission of quanta of energy equal to the binding energy. The rate of this process is large for strongly-interacting Dark Matter, and further enhanced by long distance effects. The resulting monochromatic and diffuse $\gamma$-rays can be tested in indirect detection experiments. If Dark Matter has electroweak charge, indirect signals include multiple observable photon lines for masses in the TeV range. Else if it couples only via a dark photon portal, diffuse spectra from dwarf galaxies and CMB reionization set powerful limits for masses below a TeV. This mechanism provides a powerful means of probing Asymmetric Dark Matter today.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Composite asymmetric dark matter with a dark photon portal: Multimessenger tests

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Decaying composite dark matter in the 1 to 10 GeV mass range is most strongly constrained by AMS-02 positron data, needing lifetimes above roughly 10^26 seconds.

  2. Noble Dark Matter: Surprising Elusiveness of Dark Baryons

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Dark baryons made of SU(2)_L multiplet dark quarks are predicted to be dominated by an SU(2)_L singlet state above TeV masses, which strongly suppresses interactions with the Standard Model.

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