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Searching for Dark Matter and CP Violation

Patrick de Perio
Columbia University
Résumé: 

Two outstanding questions in physics are the nature of dark matter and the origin of the matter- antimatter asymmetry in the universe. Astrophysical observations imply the existence of dark matter, an invisible and dominant mass component in the universe, but it has eluded direct detection to date. A measurement of charge-parity (CP) violation in the lepton sector may help explain the observed preponderance of matter over antimatter. I will present new results from the XENON1T dark matter search experiment, consisting of a multi-tonne dual-phase (liquid-gas) xenon time projection chamber, as well as my future plans for the measurement of CP violation by the T2K long-baseline neutrino oscillation experiment and the next-generation large water Cherenkov detector, Hyper-Kamiokande, attempting to answer these two questions.

 

Date: 
Mardi, 29 Mai, 2018 - 14:00
Lieu de Séminaire: 
McNicoll, salle Z-205
Café et biscuits: 
Z-221, 13:30
Transparents: 

Groupe de Physique des particules
​Université de Montréal
C.P. 6128, Succ. Centre-ville,
Montréal, QC H3C 3J7
Canada
Tél : 514-343-5607
Fax : 514-343-7357
gppweb[at]lps.umontreal.ca