2026 CAP Congress / Congrès de l'ACP 2026

Session

(PPD) T3-12 | (PPD)

T3-12

23 Jun 2026, 16:15

U. Ottawa - Learning Crossroads (CRX) Building

845. Extending the physics reach of DEAP-3600

Dr Shivam Garg (Carleton University)

23/06/2026, 16:15

Particle Physics / Physique des particules (PPD)

Oral (Non-Student) / Orale (non-étudiant(e))

The DEAP-3600 experiment (Dark matter Experiment using Argon Pulseshape discrimination) at SNOLAB in Sudbury, Ontario is a single-phase liquid argon detector designed to probe for weakly interacting massive particles (WIMPs). The detector consists of 3.3 tonnes of liquid argon housed in a spherical acrylic vessel, which is viewed by 255 photomultiplier tubes (PMTs). Data taken from November...

652. HVeV Run 5: The Latest Generation of High-Voltage, Electronvolt-Scale Cryogenic Silicon Calorimeters in the Search for Dark Matter

Mason Buchanan (University of Toronto)

23/06/2026, 16:30

Particle Physics / Physique des particules (PPD)

Oral not-in-competition (Graduate Student) / Orale non-compétitive (Étudiant(e) du 2e ou 3e cycle)

As an offshoot of the main SuperCDMS (Cryogenic Dark Matter Search) experiment, smaller instruments dubbed HVeV (high-voltage, electronvolt-scale resolution) detectors have been under continuous development to aid in the search for dark matter at masses below 1 MeV/c², achieving a much finer energy resolution than SuperCDMS. Similar to the SuperCDMS HV detectors, HVeV detectors hold silicon...

548. Studies of Anomalous Backgrounds in the PICO Detectors

Quinn Malin (University of Alberta)

23/06/2026, 16:45

Particle Physics / Physique des particules (PPD)

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

The PICO experiment is a leading direct dark matter search that uses superheated Freon to identify interactions between dark matter particles and ordinary matter. These detectors are bubble chambers, where a potential dark matter particle can scatter off a nucleus and impart an amount of localized energy above a threshold. This causes a bubble nucleation in the superheated fluid, most commonly...

740. Radon Mitigation Techniques for PICO-500 Assembly

Jeremy Savoie (Université de Montréal)

23/06/2026, 17:00

Particle Physics / Physique des particules (PPD)

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

Low background techniques have been used in particle physics for a long time, but have surged in the past 30 years. As the detectors get bigger and more sensitive, the need to reduce undesirable backgrounds have become the bottleneck to achieve greater sensitivity. The most common background is alpha particles from radon and its daughters. Simulations have shown that PICO-500, the next...

1003. Searching for Dark Matter in Mica

Andrew Buchanan (Queen's University)

23/06/2026, 17:15

Particle Physics / Physique des particules (PPD)

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle)

any realistic models for dark matter predict the formation of extremely heavy composite particles in the early universe, with masses well in excess of 10^20 GeV. Today, the fluxes of these particles today would too low to be detectable in direct detection experiments on human timescales. This motivates searches for dark matter signatures in minerals with several-billion-year lifetimes. I...