2 papers
hep-ph2026
Dark photon portal dark matter with low-temperature reheating
Zhi-Long Han, Honglei Li, Ang Liu +2
The dark photon A' is widely considered as the mediator of dark matter χ. In the conventional non-resonance benchmark scenario with m_A'/m_χ= 3, the kinetic mixing εrequired to mat…
hep-ph2025
Seesaw Portal to Super Heavy Dark Matter with Symmetry
Cai-Xia Yang, Zhi-Long Han, Fei Huang +2
Right-handed neutrinos are introduced to explain the origin of the tiny neutrino masses via the seesaw mechanism. Required by relatively large Yukawa coupling and leptogenesis,…