Abstract

This article reviews our present understanding of neutrino properties with a particular emphasis on observable differences between Majorana and Dirac neutrinos. We summarize current and future experimental efforts toward measuring neutrino properties and describe consequences of the Majorana versus Dirac nature of neutrinos on neutrino masses, neutrino decays, and neutrino electromagnetic properties.

Highlights

  • The purpose of this article is to explore our current understanding of the properties of neutrinos

  • The free field of a Majorana neutrino is identical to its charge conjugate, apart from a possible phase factor

  • Neutrino oscillation experiments at different baselines have firmly established that the neutrino flavor states that are produced by the weak interactions are combinations of mass eigenstates; that is

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Summary

Baha Balantekin1 and Boris Kayser2

Annu. Rev. Nucl. Part. Sci. 2018.68:313-338. Downloaded from www.annualreviews.org Access provided by 3.84.162.151 on 11/08/21. For personal use only. The Annual Review of Nuclear and Particle Science is online at nucl.annualreviews.org https://doi.org/10.1146/annurev- nucl- 101916123044 Majorana neutrinos, Dirac neutrinos, neutrino mass, neutrino decay, neutrino electromagnetic properties

PRESENT EXPERIMENTAL STATUS
Oscillation Experiments
Direct Neutrino Mass Measurements
Cosmological Considerations
Neutrino Mass
A Majorana mass has the effect ν
Double β Decay
The Special Role Nonrelativistic Neutrinos Could Play
ELECTROMAGNETIC STRUCTURE OF NEUTRINOS
V me Te Eν2
Effects of Magnetic Moments in Neutrino Propagation
Neutrino Decay in Astrophysics
Magnetic Moments of Dirac and Majorana Neutrinos
CONCLUSIONS
Findings
Berlin

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