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"Searching for Neutrinoless Double Beta Decay at SNOLAB"

Date and Time: Friday, October 15, 2021, 03:30pm -
Location: Zoom

Speaker: Erica Caden (SNOLAB)

Abstract:  The nature of the neutrino has been puzzling physicists since its postulation in 1930. SNOLAB, Canada's deep underground astroparticle physics laboratory, was founded on one of  the experiments designed to answer questions about the neutrino, the Nobel-prize winning SNO experiment. SNOLAB is a leading underground facility, 2km deep in Vale’s Creighton mine near Sudbury, Ontario. In this environment, cosmic radiation induced backgrounds are minimized to levels allowing the operation of sophisticated experiments. The SNO experiment has now transformed to SNO+, we are still trying to understand more about the elusive neutrino. SNO+ is a multi-purpose experiment whose main purpose is to study the nature of the neutrino mass through observation of neutrinoless double beta decay. Detection of this rare process would indicate that neutrinos are elementary Majorana particles, different from the rest of the standard model family of particles. nEXO is a next-generation neutrinoless double beta decay experiment that is planning to be installed in SNOLAB's last empty cavern. SNO+ and nEXO use different technologies and different isotopes to search for the same goal. I will compare and contrast these experiments, their sensitivities, and discuss the role that SNOLAB plays in their future success.

Host: Andrew Mastbaum




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