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Imprints of the vector portal at the LHC

An emerging paradigm in particle physics is the possibility that new matter resides in its own sector — a Dark Sector (DS) —  connected to the Standard Model via a portal. In this talk I will focus on a well-motivated example of such a scenario: the vector portal. I will discuss two distinct phases of the theory. In one, matter in the DS is a viable candidate for (inelastic) Dark Matter, giving rise to striking new signals at the LHC . In the other phase of this framework, matter in the DS can instead acquire a milli-charge under electromagnetism. I will then discuss a recent proposal to look for milli-charges at the LHC.