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Weekly seminars

Constraining simplified models of dark matter with searches for long-lived charged particles

par Alexis Plascencia (IPPP Durham)

Auditorium (Annecy-le-Vieux)



9 chemin de Bellevue 74940 ANNECY LE VIEUX
We introduce a new class of simplified models to address the effects of 3-point interactions between the dark matter particle, its dark co-annihilation partner, and the Standard Model degree of freedom, which we take to be the tau lepton. We investigate these effects as well as the discovery potential for dark matter co-annihilation partners at the LHC. A small mass splitting between the dark matter and its partner is preferred by the co-annihilation mechanism and suggests that the co-annihilation partners may be long-lived (stable or meta-stable) at collider scales. It is argued that such long-lived electrically charged particles can be looked for at the LHC in searches of anomalous charged tracks.
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