95 GeV Higgs boson and nano-Hertz gravitational waves from domain walls in the N2HDM

Haotian Xu, Yufei Wang, Xiao-Fang Han +1

We explore the diphoton and $b\bar{b}$ excesses at 95.4 GeV, as well as nano-Hertz gravitational waves originating from domain walls, within the framework of the next-to-two-Higgs-…