Can LLP detectors probe the reheating temperature? A case study of vector dark matter

Paulo Areyuna C, Giovanna Cottin, Bastián Díaz Sáez +2

We study an extension of the singlet-scalar Higgs portal featuring a dark vector $V_{\mu }$ and a real scalar $\varphi$. The vector is a dark matter (DM) candidate, while $\varphi$ is long-lived an…