Dr Ashlea Kemp: Publications

In-situ characterization of the Hamamatsu R5912-HQE photomultiplier tubes used in the DEAP-3600 experiment

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Elsevier 922 (2019) 373-384

Authors:

P-A Amaudruz, M Batygov, B Beltran, CE Bina, D Bishop, J Bonatt, G Boorman, MG Boulay, B Broerman, T Bromwich, JF Bueno, A Butcher, B Cai, S Chan, M Chen, R Chouinard, S Churchwell, BT Cleveland, D Cranshaw, K Dering, S Dittmeier, FA Duncan, M Dunford, A Erlandson, N Fatemighomi, RJ Ford, R Gagnon, P Giampa, VV Golovko, P Gorel, R Gornea, E Grace, K Graham, DR Grant, E Gulyev, A Hall, AL Hallin, M Hamstra, PJ Harvey, C Hearns, CJ Jillings, O Kamaev, A Kemp, M Kuźniak, S Langrock, F La Zia, B Lehnert, O Li, JJ Lidgard, P Liimatainen, C Lim, T Lindner, Y Linn, S Liu, R Mathew, AB McDonald, T McElroy, K McFarlane, J McLaughlin, S Mead, R Mehdiyev, C Mielnichuk, J Monroe, A Muir, P Nadeau, C Nantais, C Ng, AJ Noble, E O’Dwyer, C Ohlmann, K Olchanski, KS Olsen, C Ouellet, P Pasuthip, SJM Peeters, TR Pollmann, ET Rand, W Rau, C Rethmeier, F Retière, N Seeburn, B Shaw, K Singhrao, P Skensved, B Smith, NJT Smith, T Sonley, R Stainforth, C Stone, V Strickland, B Sur, J Tang, J Taylor, L Veloce, E Vázquez-Jáuregui, J Walding, M Ward, S Westerdale, R White, E Woolsey, J Zielinski

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Design and construction of the DEAP-3600 dark matter detector

Astroparticle Physics Elsevier 108 (2019) 1-23

Authors:

P-A Amaudruz, M Baldwin, M Batygov, B Beltran, CE Bina, D Bishop, J Bonatt, G Boorman, MG Boulay, B Broerman, T Bromwich, JF Bueno, PM Burghardt, A Butcher, B Cai, S Chan, M Chen, R Chouinard, S Churchwell, BT Cleveland, D Cranshaw, K Dering, J DiGioseffo, S Dittmeier, FA Duncan, M Dunford, A Erlandson, N Fatemighomi, S Florian, A Flower, RJ Ford, R Gagnon, P Giampa, VV Golovko, P Gorel, R Gornea, E Grace, K Graham, DR Grant, E Gulyev, A Hall, AL Hallin, M Hamstra, PJ Harvey, C Hearns, CJ Jillings, O Kamaev, A Kemp, M Kuźniak, S Langrock, F La Zia, B Lehnert, O Li, JJ Lidgard, P Liimatainen, C Lim, T Lindner, Y Linn, S Liu, P Majewski, R Mathew, AB McDonald, T McElroy, K McFarlane, T McGinn, JB McLaughlin, S Mead, R Mehdiyev, C Mielnichuk, J Monroe, A Muir, P Nadeau, C Nantais, C Ng, AJ Noble, E O’Dwyer, C Ohlmann, K Olchanski, KS Olsen, C Ouellet, P Pasuthip, SJM Peeters, TR Pollmann, ET Rand, W Rau, C Rethmeier, F Retière, N Seeburn, B Shaw, K Singhrao, P Skensved, B Smith, NJT Smith, T Sonley, J Soukup, R Stainforth, C Stone, V Strickland, B Sur, J Tang, J Taylor, L Veloce, E Vázquez-Jáuregui, J Walding, M Ward, S Westerdale, R White, E Woolsey, J Zielinski

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First results from the DEAP-3600 dark matter search with argon at SNOLAB

Physical Review Letters American Physical Society 121 (2018) 071801

Authors:

P-A Amaudruz, M Baldwin, B Beltran, CE Bina, D Bishop, J Bonatt, G Boorman, Boulay, B Broerman, T Bromwich, R Gagnon, P Giampa, VV Golovko, P Gorel, R Gornea, R Hakobyan, A Hall, AL Hallin, M Hamstra, PJ Harvey, M Kuźniak, S Langrock, FL Zia, B Lehnert, Jeffrey Lidgard

Abstract:

This paper reports the first results of a direct dark matter search with the DEAP-3600 single-phase liquid argon (LAr) detector. The experiment was performed 2 km underground at SNOLAB (Sudbury, Canada) utilizing a large target mass, with the LAr target contained in a spherical acrylic vessel of 3600 kg capacity. The LAr is viewed by an array of PMTs, which would register scintillation light produced by rare nuclear recoil signals induced by dark matter particle scattering. An analysis of 4.44 live days (fiducial exposure of 9.87 tonne-days) of data taken with the nearly full detector during the initial filling phase demonstrates the detector performance and the best electronic recoil rejection using pulse-shape discrimination in argon, with leakage $<1.2\times 10^{-7}$ (90% C.L.) between 16 and 33 keV$_{ee}$. No candidate signal events are observed, which results in the leading limit on WIMP-nucleon spin-independent cross section on argon, $<1.2\times 10^{-44}$ cm$^2$ for a 100 GeV/c$^2$ WIMP mass (90% C.L.).

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Dr Ashlea Kemp

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In-situ characterization of the Hamamatsu R5912-HQE photomultiplier tubes used in the DEAP-3600 experiment

Authors:

Design and construction of the DEAP-3600 dark matter detector

Authors:

First results from the DEAP-3600 dark matter search with argon at SNOLAB

Authors:

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