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Neutrino coannihilation on dark-matter relics?

2006/04/10 by Gabriela Barenboim, Olga Mena Requejo, Chris Quigg · 4 citations
Physics and Astronomy · #Astrophysics #Dark Matter and Cosmic Phenomena #Dark matter #Galaxy #Lightest Supersymmetric Particle #Neutralino #Neutrino #Neutrino Physics Research #Neutrino detector #Neutrino oscillation #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #astro-ph #hep-ph

paper · pdf · doi:10.1103/physrevd.74.023006

published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 74(2) (American Physical Society) · 5 pages, 3 figures, uses RevTeX 4

arxiv created 2006/04/10 · openalex publication_date 2006/07/27 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

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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