17–24 Jul 2024
Prague
Europe/Prague timezone

Dark matter search in DEAP-3600: status and prospects

18 Jul 2024, 09:21
17m
Club A

Club A

Parallel session talk 09. Dark Matter Detection Dark Matter

Speaker

Michela Lai

Description

DEAP-3600, with its 3.3 tonnes liquid argon target, is a dark matter direct detection experiment set at SNOLAB in Sudbury, Canada. Since 2019 the experiment has held the most stringent exclusion limit in argon for Weakly Interacting Massive Particles (WIMPs) above 20 GeV/c^2.
Since the end of the second fill run in 2020 the detector has been upgraded, to reduce the backgrounds coming from shadowed alphas and dust dissolved in the detector in the third fill run, scheduled this year.

In parallel with that, the physics reach of the experiment has been widened, with unique contributions to the {39}^Ar activity measurements and ultra-heavy dark matter candidates, while developing a detailed Profile likelihood Ratio WIMP search on the full second run, which will push the experiment down to unprecedented sensitivity.

Alternate track 03. Beyond the Standard Model
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