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Sterile neutrinos as a possible explanation for the upward air shower events at ANITA
Huang GY(黄国远); Huang, GY
Source PublicationPHYSICAL REVIEW D
AbstractThe ANITA experiment has observed two unusual upgoing air shower events, which are consistent with the t-lepton decay origin. However, these events are in contradiction with the standard neutrino-matter interaction models as well as the EeV diffuse neutrino flux limits set by IceCube and the cosmic ray facilities like AUGER. In this paper, we have reinvestigated the possibility of using the sterile neutrino hypothesis to explain the ANITA anomalous events. The diffuse flux of the sterile neutrinos is less constrained by the IceCube and AUGER experiments due to the small active-sterile mixing angle suppression. The quantum decoherence effect should be included for describing the neutrino flux propagating in the Earth matter, because the interactions between neutrinos and the Earth matter are very strong at the EeV energy scale. After several experimental approximations, we show that the ANITA anomaly itself is able to be explained by the sterile neutrino origin, but we also predict that the IceCube observatory should have more events than ANITA. It makes the sterile neutrino origin very unlikely to account for both of them simultaneously. A more solid conclusion can be drawn by the dedicated ANITA signal simulation.
Indexed BySCI
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000442671700001
ADS Bibcode2018PhRvD..98d3019H
Citation statistics
Cited Times:38 [INSPIRE]
Cited Times:43 [ADS]
Document Type期刊论文
Corresponding AuthorHuang GY(黄国远)
First Author AffilicationInstitute of High Energy
Corresponding Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Huang GY,Huang, GY. Sterile neutrinos as a possible explanation for the upward air shower events at ANITA[J]. PHYSICAL REVIEW D,2018,98(4):43019.
APA 黄国远,&Huang, GY.(2018).Sterile neutrinos as a possible explanation for the upward air shower events at ANITA.PHYSICAL REVIEW D,98(4),43019.
MLA 黄国远,et al."Sterile neutrinos as a possible explanation for the upward air shower events at ANITA".PHYSICAL REVIEW D 98.4(2018):43019.
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