Searching for PeV neutrinos from photomeson interactions in magnetars

Abstract

In this paper we estimate the flux of PeV neutrinos and gamma-rays from magnetar polar caps, assuming that ions/protons are injected, and accelerated in these regions and interact with the radiative background. The present study takes into account the effect of the photon splitting mechanisms that should modify the radiative background, and enhance the neutrino and gamma-ray fluxes at PeV energies, with a view to explain the PeV neutrino events detected in IceCube. The results indicate that in near future, possibility of any significant excess of neutrino events from a magnetar in Milky Way is extremely low. Further, we suggest that the simultaneous observation of neutrinos and gamma-rays at Earth from expanded 'Gen2' IceCube detector and/or High Altitude Water Cherenkov Observatory would provide opportunities to explore the possible origin of very high energy neutrinos and gamma-rays.

7 pages, no figures, accepted for publication in Europhys. Letts

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Cited by in corpus (9)

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• IC at IC: IceCube can constrain the intrinsic charm of the proton
• Using High-Energy Neutrinos As Cosmic Magnetometers
• Analytical expressions for pulse profile of neutron stars in plasma environments
• Search for high-energy neutrinos in coincidence with Fast Radio Bursts with the ANTARES neutrino telescope
• Newly born extragalactic millisecond pulsars as efficient emitters of PeV neutrinos
• Magnetar-powered Neutrinos and Magnetic Moment Signatures at IceCube
• Diffuse flux of PeV neutrinos from centrifugally accelerated protons in active galactic nuclei
• Search for spatial coincidence between magnetars and IceCube detected neutrinos