2018/11/07 by Choi, Soo-Min, Lee, Hyun Min, Ko, Pyungwon +1
#FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph)
paper · doi:10.48550/arxiv.1811.02751
Dark pion is the one of the most natural and realistic model to make 3 → 2 contact interactions among models of the Strongly Interacting Massive Particle (SIMP). In this model, there is a perturbativity problem to satisfy the relic density with the self-annihilation. So we show the perturbativity problem can be alleviated and the SIMP pion model become more realistic by including dark vector mesons.