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Nonthermal Supermassive Dark Matter

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arxiv hep-ph/9805473 v2 pith:X5M7HUHD submitted 1998-05-27 hep-ph astro-ph

classification hep-phastro-ph
keywords darkmattersupermassivemassnonthermalparticlesscaleshould
verification ladder T0 review T1 audit T2 compute T3 formal
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We discuss several cosmological production mechanisms for nonthermal supermassive dark matter and argue that dark matter may be elementary particles of mass much greater than the weak scale. Searches for dark matter should not be limited to weakly interacting particles with mass of the order of the weak scale, but should extend into the supermassive range as well.

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Cited by 4 Pith papers

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

  1. Searching for heavy charged relics in the Earth

    hep-ph 2026-07 conditional novelty 7.0 of 10

    Galactic CHAMPs of mass 1–10^{12} TeV can be discovered by mining their accumulation in monitored water/ice and ancient rocks, enriching via gravity or centrifuges, and identifying them with mass spectrometry down to ...

  2. Cosmological gravitational particle production in multifield inflation

    hep-ph 2026-06 unverdicted novelty 6.0 of 10

    Negative field-space curvature enhances post-inflationary Ricci scalar oscillations and boosts CGPP dark matter number density by up to an order of magnitude relative to flat field-space cases, with nontrivial relic a...

  3. Breaking Dark: Hunting Heavy Decaying Dark Matter with Tibet AS$_\gamma$ and LHAASO-KM2A

    hep-ph 2025-09 conditional novelty 5.0 of 10

    Tibet ASγ and LHAASO-KM2A diffuse gamma-ray data exclude decaying dark matter lifetimes below about 10^28 seconds for masses around 10^6-10^9 GeV, for many Standard Model final states.

  4. Measurement of Downward-going Milli-charged particles beyond GZK cutoff at the Pierre Auger Observatory

    astro-ph.HE 2025-06 reject novelty 3.0 of 10

    The paper derives 90% C.L. upper limits on milli-charged kinetic mixing from a private fit to Auger hybrid data and claims a newly excluded region, but the analysis is not reproducible and the text is internally inconsistent.

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