2016/11/04 by Bibhushan Shakya, James D. Wells · 1 citation
Physics and Astronomy · #Astrophysics #Big Bang nucleosynthesis #Cold dark matter #Cosmology #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Dark energy #Dark matter #Hot dark matter #Light dark matter #Neutrino #Neutrino oscillation #Nucleosynthesis #Particle physics #Particle physics theoretical and experimental studies #Physics #Scalar field dark matter #Sterile neutrino #Supernova #Superpartner #Supersymmetry #WIMP #Warm dark matter #Weakly interacting massive particles #astro-ph.CO #hep-ph
paper · pdf · doi:10.1103/physrevd.96.031702
published as Phys. Rev. D 96, 031702 (2017) · 6 pages, 4 figures
arxiv created 2016/11/04 · openalex created_date 2016/11/30 · openalex publication_date 2017/08/18 · arxiv updated 2017/08/23 · openalex updated_date 2026/08/06
Sterile neutrino dark matter, a popular alternative to the WIMP paradigm, has generally been studied in non-supersymmetric setups. If the underlying theory is supersymmetric, we find that several interesting and novel dark matter features can arise. In particular, in scenarios of freeze-in production of sterile neutrino dark matter, its superpartner, the sterile sneutrino, can play a crucial role in early Universe cosmology as the dominant source of cold, warm, or hot dark matter, or of a subdominant relativistic population of sterile neutrinos that can contribute to the effective number of relativistic degrees of freedom Neff during big bang nucleosynthesis.