17-22 July 2016
Master Cutlers Hall
Europe/London timezone

Search for dark matter with DEAP-3600

22 Jul 2016, 12:10
20m
Venue: Cutlers' Main Hall (First Floor); Chair: Paolo Gondolo; Session Managers: Andrew Scarff & Frederic Mouton ()

Venue: Cutlers' Main Hall (First Floor); Chair: Paolo Gondolo; Session Managers: Andrew Scarff & Frederic Mouton

Speaker

Dr. Marcin Kuzniak (Carleton University)

Description

DEAP-3600 is a single-phase liquid argon detector, which searches for dark matter particle interactions with 1 tonne fiducial target mass (3.6 tonnes total) contained in an ulta-pure acrylic vessel viewed by 255 high quantum efficiency photomultiplier tubes. It is located 2 km underground at SNOLAB, in Sudbury, Ontario. Radioactive backgrounds are controlled through pulse-shape discrimination in case of electromagnetic backgrounds (demonstrated with a smaller 7-kg prototype DEAP-1) and with a combination of excellent radiopurity, shielding and fiducialization for neutron and alpha backgrounds. The target sensitivity to spin-independent scattering of Weakly Interacting Massive Particles (WIMPs) on nucleons of 10$^{-46}$ cm$^2$ will allow an order of magnitude improvement in sensitivity over current searches at 100 GeV/c$^2$ WIMP mass. Commissioning of the DEAP-3600 detector is now complete and physics data taking is starting. This talk will present an overview and status of the project, including early results demonstrating the detector performance.

Primary author

Dr. Marcin Kuzniak (Carleton University)

Presentation Materials

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