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Minimal Majoron Dark Matter from a Discrete Gauge Symmetry
Subaru Fujisawa, Qiuyue Liang, Shigeki Matsumoto +2
We investigate majoron dark matter in a minimal setup, where the Standard Model is extended by three right-handed neutrinos and a complex scalar field. The theory is defined by an…
Non-invertible symmetry as an axion-less solution to the strong CP problem
Qiuyue Liang, Tsutomu T. Yanagida
We use a non-invertible symmetry to construct a three-zero texture for the down-type quark mass matrix, which can resolve the strong CP problem without invoking the axion, in four-…
Three-zero texture of quark-mass matrices as a solution to the strong CP problem
Qiuyue Liang, Risshin Okabe, Tsutomu T. Yanagida
The strong charge-parity (CP) problem has been a long-standing problem in particle physics since 1976, illustrating the small CP-violation phase in quantum chromodynamics (QCD). Th…
Axion Detection Experiments Meet the Majoron
Qiuyue Liang, Xavier Ponce Díaz, Tsutomu T. Yanagida
The majoron is a well-motivated light (pseudo-Nambu-Goldstone) boson associated with the spontaneous breaking of a global lepton-number symmetry. In this {\it letter}, we relate th…