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Prof. Simon Viel

Carleton University
Email: simon.viel@carleton.ca

Date of Live Presentation: tba
Location: tba



Title

À la recherche de la matière sombre / A Search for Dark Matter

Abstract

La matière sombre est présentement une des questions les plus fondamentales en physique des particules. Ayant été observée par des effets gravitationnels, il est possible que la matière sombre interagisse faiblement avec des particules de matière ordinaire, auquel cas elle pourrait être détectée directement. Des expériences sont planifiées avec une sensibilité sans précédent : parmi elles, des détecteurs comprenant plusieurs tonnes d'argon liquide sont particulièrement prometteurs pour observer la matière sombre. Ce programme de recherche sera présenté en commençant par l'expérience DEAP-3600, présentement en opération à  SNOLAB, suivi par une discussion des contributions canadiennes aux détecteurs à  l'argon liquide de prochaine génération. Dark matter is one of the most fundamental questions of our time. Observed via gravitational effects, it may also weakly interact with ordinary matter and be detectable in particle physics experiments. Such experiments are planned to reach unprecedented sensitivity: among them, very large liquid argon detectors are especially promising in the search for dark matter. This programme of research will be presented starting with the DEAP-3600 experiment, currently taking data at SNOLAB, followed by a discussion of Canadian contributions to next-generation liquid argon dark matter detectors.


Short bio

Simon Viel joined the faculty at Carleton University in August 2017, as an Assistant Professor within the newly formed Canadian Particle Astrophysics Research Centre (CPARC). Prior to joining the Department of Physics at Carleton, he obtained a B.Sc. in Physics at Université Laval, before becoming a member of the ATLAS Experiment at the Large Hadron Collider, CERN. As a Vanier Canada Graduate Scholar at the University of British Columbia and TRIUMF, he participated in searches for new bosons, including the Higgs boson, with ATLAS. Then, as a Chamberlain Fellow and NSERC Postdoctoral Fellow at Lawrence Berkeley National Laboratory, he researched future upgrades to the inner tracking detector of ATLAS, and developed algorithms to identify Higgs bosons decaying to b-quark pairs, with applications to searches for dark matter. He is now very excited to return to Canada, to look for dark matter with DEAP-3600 at SNOLAB, as well as working on silicon photomultiplier (SiPM) research and development toward future detectors.


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