no code implementations • 2 Feb 2021 • Zhao Zhang, Chengfeng Cai, Xue-Min Jiang, Yi-Lei Tang, Zhao-Huan Yu, Hong-Hao Zhang
We investigate the potential stochastic gravitational waves from first-order electroweak phase transitions in a model with pseudo-Nambu-Goldstone dark matter and two Higgs doublets.
High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology
no code implementations • 16 Aug 2020 • Dan-Yang Liu, Chengfeng Cai, Zhao-Huan Yu, Yu-Pan Zeng, Hong-Hao Zhang
We study a dark matter model constructed by extending the standard model with an inert $\mathrm{SU}(2)_\mathrm{L}$ sextuplet scalar of hypercharge 1/2.
High Energy Physics - Phenomenology