Blazar Constraints on Neutrino-Dark Matter Scattering

Neutrino emission in coincidence with gamma rays has been observed from the blazar TXS 0506+056 by the IceCube telescope. Neutrinos from the blazar had to pass through a dense spike of dark matter (DM) surrounding the central black hole. The observation of such a neutrino implies new upper bounds on...

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Bibliographic Details
Published in:Physical review letters 2023-03, Vol.130 (9), p.091402-091402, Article 091402
Main Authors: Cline, James M, Gao, Shan, Guo, Fangyi, Lin, Zhongan, Liu, Shiyan, Puel, Matteo, Todd, Phillip, Xiao, Tianzhuo
Format: Article
Language:English
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Summary:Neutrino emission in coincidence with gamma rays has been observed from the blazar TXS 0506+056 by the IceCube telescope. Neutrinos from the blazar had to pass through a dense spike of dark matter (DM) surrounding the central black hole. The observation of such a neutrino implies new upper bounds on the neutrino-DM scattering cross section as a function of DM mass. The constraint is stronger than existing ones for a range of DM masses, if the cross section rises linearly with energy. For constant cross sections, competitive bounds are also possible, depending on details of the DM spike.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.130.091402