2 papers
hep-ph2026
Cosmological Collider Signatures from Right-Handed Neutrino Loop
Jingtao You, Linghao Song, Chengcheng Han +3
We study cosmological collider (CC) signatures generated by right-handed neutrino loops in the setup of inflation combined with the neutrino seesaw mechanism. We formulate the infl…
hep-ph2025
Self-interacting dark matter implied by nano-Hertz gravitational waves
Chengcheng Han, Ke-Pan Xie, Jin Min Yang +1
The self-interacting dark matter (SIDM) paradigm offers a potential solution to the small-scale structure problems faced by collision-less cold dark matter. This framework incorpor…