Testing the Dark Matter Scenario for PeV Neutrinos Observed in IceCube

Physical Review Letters
Kohta MuraseM Ahlers

Abstract

Late time decay of very heavy dark matter is considered as one of the possible explanations for diffuse PeV neutrinos observed in IceCube. We consider implications of multimessenger constraints, and show that proposed models are marginally consistent with the diffuse γ-ray background data. Critical tests are possible by a detailed analysis and identification of the sub-TeV isotropic diffuse γ-ray data observed by Fermi and future observations of sub-PeV γ rays by observatories like HAWC or Tibet AS+MD. In addition, with several-year observations by next-generation telescopes such as IceCube-Gen2, muon neutrino searches for nearby dark matter halos such as the Virgo cluster should allow us to rule out or support the dark matter models, independently of γ-ray and anisotropy tests.

References

Feb 5, 1990·Physical Review Letters·K Griest, M Kamionkowski
Feb 1, 2008·Physical Review Letters·John F BeacomGregory D Mack
Jul 31, 2013·Physical Review Letters·M G AartsenUNKNOWN IceCube Collaboration
Oct 8, 2013·Physical Review Letters·Kohta Murase, Kunihito Ioka
Apr 12, 2013·Physical Review Letters·M G AartsenUNKNOWN IceCube Collaboration
Sep 23, 2014·Physical Review Letters·M G AartsenUNKNOWN IceCube Collaboration

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Citations

Jul 29, 2017·Physical Review Letters·Timothy CohenYotam Soreq
Jun 30, 2018·Physical Review Letters·Matthew D Kistler, Ranjan Laha
Oct 9, 2018·Physical Review Letters·Peter B Denton, Irene Tamborra
Sep 22, 2020·Physical Review Letters·Basudeb DasguptaAnupam Ray
Jan 1, 2018·The European Physical Journal. C, Particles and Fields·M G AartsenT Yuan
Oct 30, 2015·Reports on Progress in Physics·Markus Ahlers, Francis Halzen
Dec 10, 2015·Physical Review Letters·Shin'ichiro AndoFabio Zandanel
Apr 24, 2021·Physical Review Letters·M AmenomoriUNKNOWN Tibet <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi>AS</mi></mrow><mrow><mi>γ</mi></mrow></msub></mrow></math> Collaboration

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