Preprint
Aug 2026
Search for active-sterile neutrino transitions using Pierre Auger Observatory data
We investigate the sensitivity of the Pierre Auger Observatory to physics beyond the Standard Model arising from magnetic-moment-induced transitions between active and heavy sterile neutrinos. Such dipole portal interactions can enhance neutrino-nucleon cross sections above a kinematic threshold set by the sterile neut...
T. P. A. A. Halim, P. Abreu, M. Aglietta et al.
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