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arXiv · 1301.7654

Properties of CP Violation in Neutrino-Antineutrino Oscillations

Zhi-zhong Xing
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Abstract

If the massive neutrinos are the Majorana particles, how to pin down the Majorana CP-violating phases will eventually become an unavoidable question relevant to the future neutrino experiments. We argue that a study of neutrino-antineutrino oscillations will greatly help in this regard, although the issue remains purely academic at present. In this work we first derive the probabilities and CP-violating asymmetries of neutrino-antineutrino oscillations in the three-flavor framework, and then illustrate their properties in two special cases: the normal neutrino mass hierarchy with m_1 = 0 and the inverted neutrino mass hierarchy with m_3 = 0. We demonstrate the significant contributions of the Majorana phases to the CP-violating asymmetries, even in the absence of the Dirac phase.

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Zhi-zhong Xing. 2013-03-15. Properties of CP Violation in Neutrino-Antineutrino Oscillations. https://doi.org/10.1103/physrevd.87.053019

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