PoS - Proceedings of Science
Volume 455 - International Conference on Particle Physics and Cosmology (ICPPCRubakov2023) - Parallel session Neutrino physics
All-sky Limits on Sterile Neutrino Galactic Dark Matter
V. Barinov
Full text: pdf
Pre-published on: April 11, 2024
Published on: May 17, 2024
Dark matter sterile neutrinos radiatively decaying in the Milky Way, which can be tested with searches for almost monochromatic photons in the X-ray cosmic spectrum. We analyse the data of the SRG/ART-XC telescope operated for two years in the all-sky survey mode. With no significant hints in the Galactic diffuse X-ray spectrum we explore models with sterile neutrino masses in the 12-40 keV range and exclude corresponding regions of sterile-active neutrino mixing. We also discuss the limits that can be obtained in the framework of the correlation analysis and data from SRG mission.
DOI: https://doi.org/10.22323/1.455.0035
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