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SUMMARY:[IP2I seminar] Dark Matter Phenomenology - F. Kahlhoefer (KIT\, Ka
 rlsruhe\, DE) -  Light but with a chance of showers: Phenomenology of stro
 ngly-interacting dark sectors
DTSTART:20260623T080000Z
DTEND:20260623T090000Z
DTSTAMP:20260625T115000Z
UID:indico-event-40191@indico.in2p3.fr
DESCRIPTION:Models of strongly-interacting dark sectors are based on the i
 dea that there may be a new type of matter that behaves similar to quarks 
 and gluons but couples very weakly to visible matter. In such a set-up\, d
 ark quarks interacting via a new non-Abelian gauge extension of the Standa
 rd Model would confine into dark mesons and baryons at low energies. Some 
 of these dark hadrons may be stable and provide a viable dark matter candi
 date. I will first discuss the cosmological and astrophysical constraints 
 on such models and argue that these considerations favour particle masses 
 around the GeV-scale. At accelerator experiments\, the pair production of 
 dark quarks would give rise to dark showers with a high multiplicity of da
 rk mesons. If some of these dark mesons decay into Standard Model particle
 s\, we can expect exciting exotic signatures\, such as semi-visible jets o
 r displaced vertices. I will discuss existing constraints and opportunitie
 s from searches for long-lived particles at Belle II and the proposed SHiP
  beam-dump experiment. Finally\, I will consider the possibility to search
  for semi-visible jets produced in Higgs boson decays at FCC-ee using grap
 h neural networks. \n\nhttps://indico.in2p3.fr/event/40191/
LOCATION:Dirac/RdC-Amphithéâtre (IP2I)
URL:https://indico.in2p3.fr/event/40191/
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