Distinguishing Dirac and Majorana neutrinos by their gravi-majoron decays.

@article{Funcke2019DistinguishingDA,
title={Distinguishing Dirac and Majorana neutrinos by their gravi-majoron decays.},
author={L. Funcke and G. Raffelt and E. Vitagliano},
journal={arXiv: High Energy Physics - Phenomenology},
year={2019}
}
• Published 2019
• Physics
• arXiv: High Energy Physics - Phenomenology
• Neutrinos may acquire small Dirac or Majorana masses by new low-energy physics in terms of the chiral gravitational anomaly, as proposed by Dvali and Funcke (2016). This model predicts fast neutrino decays, $\nu_i\to\nu_j+\phi$ and $\nu_i\to\overline{\nu}_j+\phi$, where the gravi-majorons $\phi$ are pseudoscalar Nambu-Goldstone bosons. The final-state neutrino and antineutrino distributions differ depending on the Dirac or Majorana mass of the initial state. This opens a channel for… CONTINUE READING

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