Relativity and Gravitation Field

Dirac and Majorana neutrino scattering by cosmic torsion in spatial-flat FRW spacetime background

  • Wei LIN ,
  • Xun XUE
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  • 1. School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
    2. Chongqing Institute of East China Normal University, Chongqing 401120, China
    3. Center for Theoretical Physics, Xinjiang University, Urumqi 830046, China

Received date: 2023-05-03

  Online published: 2024-05-25

Abstract

The possibility of detecting cosmic torsion originated from large scale Lorentz violation of cosmology at cosmic scale by the shift of energy distribution for massive cosmic neutrinos in spatial-flat FRW (Friedmann-Robertson-Walker) spacetime background is discussed. Massive cosmic neutrino scattering owing to cosmic torsion leads to a shift in the peak position of their final state energy distribution at the order of $m^2/E^2$. Moreover, the Dirac and Majorana neutrino shift values differ by the vector part of the torsion in the non-minimal vector torsion coupling case.

Cite this article

Wei LIN , Xun XUE . Dirac and Majorana neutrino scattering by cosmic torsion in spatial-flat FRW spacetime background[J]. Journal of East China Normal University(Natural Science), 2024 , 2024(3) : 1 -11 . DOI: 10.3969/j.issn.1000-5641.2024.03.001

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