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As classic WIMP-based signatures for dark matter at the LHC have found no compelling evidence, several phenomenological studies have raised the possibility of accessing a strongly-interacting dark sector through new collider-event topologies. If dark hadrons exist, their evolution and hadronization procedure are currently little constrained. They could decay promptly and result in QCD-like jet structures, even though the original decaying particles are dark sector ones; they could behave as semi-visible jets (SVJ); or they could behave as completely detector-stable hadrons. ATLAS and CMS have recently come up with the first results, but this is only the beginning. In this talk, I will discuss the public results of the first t-channel ATLAS search for semi-visible jets, and the multiple pioneering studies our group has performed on SVJ, covering three published or soon to be published papers. |