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Abstract:

Current great searches of particle physics are those for dark matter and the elucidation of the nature of neutrinos. These experiments are growing in size, requiring tonnes of noble liquids as scintillators (5 tonnes of Xe, 400 tonnes of Ar). To achieve the desired sensitivity, these large volumes of scintillator must be instrumented “from the inside” of the cryogenic liquid volume and must be able to resolve every scintillation photon.

I will present the work carried out by our team at the Université de Sherbrooke on microelectronic systems for photon counting, including photodiode design and 3D integrated readout electronics, sensitivity enhancement at short wavelengths (100-200 nm), embedded signal processing and system integration – multifunction modules, assembly, installation.

Serge Charlebois is a professor of electrical engineering at U. de Sherbrooke in 2003 where he pursues research activities in micro and nanofabrication technologies, in semiconductor device design and fabrication, in microsystem integration, and in instrumentation for particle physics and radiation.

The McDonald Institute seminar will be held in Stirling 501. A Zoom link is also available and shared via email by the organizers. Please reach out to admin@mcdonaldinstitute.ca for access.