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hep-ph2023
Positivity Bounds on Higgs-Portal Freeze-in Dark Matter
Seong-Sik Kim, Hyun Min Lee, Kimiko Yamashita
We consider the relic density and positivity bounds for freeze-in scalar dark matter with general Higgs-portal interactions up to dimension-8 operators. When dimension-4 and dimens…
hep-ph2023★ 5 cited
Positivity Bounds on Higgs-Portal Dark Matter
Seong-Sik Kim, Hyun Min Lee, Kimiko Yamashita
We consider the positivity bounds for WIMP scalar dark matter with effective Higgs-portal couplings up to dimension-8 operators. Taking the superposed states for Standard Model Hig…