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19 April 2024

» arxiv » 1410.7673

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DEAP-3600 Dark Matter Search
P.-A. Amaudruz ; M. Batygov ; B. Beltran ; J. Bonatt ; M. G. Boulay ; B. Broerman ; J. F. Bueno ; A. Butcher ; B. Cai ; M. Chen ; R. Chouinard ; B. T. Cleveland ; K. Dering ; J. DiGioseffo ; F. Duncan ; T. Flower ; R. Ford ; P. Giampa ; P. Gorel ; K. Graham ; D. R. Grant ; E. Guliyev ; A. L. Hallin ; M. Hamstra ; P. Harvey ; C. J. Jillings ; M. Kuźniak ; I. Lawson ; O. Li ; P. Liimatainen ; P. Majewski ; A. B. McDonald ; T. McElroy ; K. McFarlane ; J. Monroe ; A. Muir ; C. Nantais ; C. Ng ; A. J. Noble ; C. Ouellet ; K. Palladino ; P. Pasuthip ; S. J. M. Peeters ; T. Pollmann ; W. Rau ; F. Retière ; N. Seeburn ; K. Singhrao ; P. Skensved ; B. Smith ; T. Sonley ; J. Tang ; E. Vázquez-Jáuregui ; L. Veloce ; J. Walding ; M. Ward ;
Date:	27 Oct 2014
Abstract:	The DEAP-3600 experiment is located 2 km underground at SNOLAB, in Sudbury, Ontario. It is a single-phase detector that searches for dark matter particle interactions within a 1000-kg fiducial mass target of liquid argon. A first generation prototype detector (DEAP-1) with a 7-kg liquid argon target mass demonstrated a high level of pulse-shape discrimination (PSD) for reducing $eta$/$gamma$ backgrounds and helped to develop low radioactivity techniques to mitigate surface-related $alpha$ backgrounds. Construction of the DEAP-3600 detector is nearly complete and commissioning is starting in 2014. The target sensitivity to spin-independent scattering of Weakly Interacting Massive Particles (WIMPs) on nucleons of 10$^{-46}$ cm$^2$ will allow one order of magnitude improvement in sensitivity over current searches at 100 GeV WIMP mass. This paper presents an overview and status of the DEAP-3600 project and discusses plans for a future multi-tonne experiment, DEAP-50T.
Source:	arXiv, 1410.7673
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