Neutrino Coannihilation on Dark-Matter Relics?

Details Neutrino Coannihilation on Dark-Matter Relics? Neutrino Coannihilation on Dark-Matter Relics?

2006-04-10

arxiv.org/abs/astro-ph/0604215v1

Phys.Rev.D74:023006,2006

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, uses RevTeX 4

Scientific paper

10.1103/PhysRevD.74.023006

High-energy neutrinos may resonate with relic background neutralinos to form short-lived sneutrinos. In some circumstances, the decay chain that leads back to the lightest supersymmetric particle would yield few-GeV gamma rays or charged-particle signals. Although resonant coannihilation would occur at an appreciable rate in our galaxy, the signal in any foreseeable detector is unobservably small.

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