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Elastically Decoupling Dark Matter.

Eric Kuflik1, Maxim Perelstein1, Nicolas Rey-Le Lorier1

  • 1Laboratory for Elementary Particle Physics, Cornell University, Ithaca, New York 14850, USA.

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|June 18, 2016
PubMed
Summary
This summary is machine-generated.

We propose a new dark matter candidate: an elastically decoupling relic. Its abundance depends on scattering with standard model particles, with a mass of MeV and a small scattering cross-section.

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Area of Science:

  • Particle Physics
  • Cosmology
  • Astrophysics

Background:

  • The nature of dark matter remains one of the most significant unsolved problems in modern physics.
  • Existing dark matter candidates often rely on weak interactions or non-thermal production mechanisms.

Purpose of the Study:

  • To introduce a novel dark matter candidate, the elastically decoupling relic.
  • To explore its properties and potential detection signatures.

Main Methods:

  • Theoretical modeling of particle interactions and relic abundance.
  • Analysis of elastic scattering cross-sections with Standard Model particles.

Main Results:

  • The proposed candidate is a cold thermal relic whose abundance is determined by elastic scattering cross-sections.
  • Predicted mass range: a few to a few hundred MeV.
  • Predicted elastic scattering cross-section with electrons, photons, and/or neutrinos: 10^{-3}-1 fb.

Conclusions:

  • The elastically decoupling relic presents a viable new dark matter candidate.
  • Its predicted properties offer testable predictions for future experimental searches.