Majoron as the QCD axion in a radiative seesaw model

Ernest Ma; Takahiro Ohata; Koji Tsumura

doi:10.1103/PhysRevD.96.075039

Majoron as the QCD axion in a radiative seesaw model

Ernest Ma, Takahiro Ohata, Koji Tsumura

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The smallness of neutrino mass, the strong CP problem, and the existence of dark matter are explained in an economical way. The neutrino mass is generated by the colored version of a radiative seesaw mechanism by using color adjoint mediators. The Majorana mass term of the adjoint fermion, which carries lepton number U(1)L, is induced by its spontaneous breaking, resulting in a Majoron which doubles as the quantum chromodynamics axion, thereby solving the strong CP problem. The breaking of U(1)L sets simultaneously the seesaw scale for neutrino mass and the Peccei-Quinn breaking scale. This axion is a good candidate for dark matter as usually assumed.

Original language	English
Article number	075039
Journal	Physical Review D
Volume	96
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.96.075039
Publication status	Published - Oct 26 2017
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.96.075039

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abstract = "The smallness of neutrino mass, the strong CP problem, and the existence of dark matter are explained in an economical way. The neutrino mass is generated by the colored version of a radiative seesaw mechanism by using color adjoint mediators. The Majorana mass term of the adjoint fermion, which carries lepton number U(1)L, is induced by its spontaneous breaking, resulting in a Majoron which doubles as the quantum chromodynamics axion, thereby solving the strong CP problem. The breaking of U(1)L sets simultaneously the seesaw scale for neutrino mass and the Peccei-Quinn breaking scale. This axion is a good candidate for dark matter as usually assumed.",

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