May 26 – 31, 2024
Western University
America/Toronto timezone
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In Search of a Hidden Sector: the Phenomenology of Dark Sector Models.

May 30, 2024, 8:45 AM
30m
PAB Rm 117 (cap. 56) (Physics & Astronomy Bldg., Western U.)

PAB Rm 117 (cap. 56)

Physics & Astronomy Bldg., Western U.

Invited Speaker / Conférencier(ère) invité(e) Theoretical Physics / Physique théorique (DTP-DPT) (DTP) R1-2 Astrobiology, Astrophysics and Cosmology | Astrobiologie, astrophysique et cosmologie (DPT)

Speaker

Pierre-Philippe Ouimet

Description

Strong experimental evidence points to the existence of dark matter (DM) but, to date, there has been no direct detection of any DM candidate. However, an extensive effort towards this goal is underway. In this talk I will discuss the phenomenology of possible DM candidates that could be detectable in collider based experiments. I will first quickly review a class of models known as dark sector models, also known as hidden sector models. Such models are generally connect to the standard model through so called portal interactions. I will be further focusing on only one such interaction, known as the vector portal, or as kinetic mixing. One interesting feature of vector portal models is that dark sector particles can acquire an effective electric charge that is a small fraction of that of the electron. Such particles are therefore known as milli-charged. I will then present recent results showing the range of parameter space for such models that can be probed by an upcoming LHC experiment: MoEDAL-MAPP. I will be discussing the cases of both milli-charged fermions and milli-charged scalars.

Keyword-1 Dark Matter
Keyword-2 Hidden Sector Models
Keyword-3 Phenomenology

Author

Pierre-Philippe Ouimet

Presentation materials