PoS - Proceedings of Science
Volume 462 - 16th International Conference on Heavy Quarks and Leptons (HQL2023) - Posters
Spin-Flavor oscillations of cosmic neutrino flux in intergalactic magnetic field.
A.K. Alok, N.R.S. Chundawat and A. Mandal*
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Pre-published on: April 20, 2024
Published on:
Neutrinos may possess tiny magnetic moments ($\mu_{\nu}$) via quantum corrections, by virtue of which they can undergo spin-flavor oscillations. This phenomenon can alter the flux of cosmic neutrinos. Considering the current limit on $\mu_{\nu}$ we show that the flux of cosmic neutrinos will reduce by half if they traverse a
few Mpcs through the intergalactic magnetic field, in the range of $\rm \mu G$ to nG.
Furthermore, if the current upper bound is improved by a few orders of magnitude, the effect of $\mu_{\nu}$ can be safely neglected,
even if the neutrinos travel through the size of the visible universe.
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