Neutrino Coannihilation on Dark-Matter Relics?
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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.
5 pages, 3 figures, uses RevTeX 4
5 pages, 3 figures, uses RevTeX 4