First Results from the DEAP-3600 Dark Matter Search with Argon at SNOLAB. / -A. Amaudruz, P.; Boorman, Gary; Butcher, Alistair; Fatemighomi, Nasim; Grace, Emily; Hall, A; La Zia, Franco; Monroe, Jocelyn; Seeburn, Navin; Taylor, Jo; Walding, Joseph; DEAP-3600 Collaboration.

In: Physical Review Letters, Vol. 121, No. 7, 071801, 17.08.2018, p. 1-6.

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First Results from the DEAP-3600 Dark Matter Search with Argon at SNOLAB. / -A. Amaudruz, P.; Boorman, Gary; Butcher, Alistair; Fatemighomi, Nasim; Grace, Emily; Hall, A; La Zia, Franco; Monroe, Jocelyn; Seeburn, Navin; Taylor, Jo; Walding, Joseph; DEAP-3600 Collaboration.

In: Physical Review Letters, Vol. 121, No. 7, 071801, 17.08.2018, p. 1-6.

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@article{42752bf5d5f84631871ae68337b0e0ec,
title = "First Results from the DEAP-3600 Dark Matter Search with Argon at SNOLAB",
abstract = "This Letter 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 ton day) of data taken during the initial filling phase demonstrates the best electronic recoil rejection using pulse-shape discrimination in argon, with leakage < 1.2x10^-7 (90 C.L.) between 15 and 31keVee. No candidate signal events are observed, which results in the leading limit on weakly interacting massive particle (WIMP)-nucleon spin-independent cross section on argon, < 1.2x10^-44cm^2 for a 100GeV/c^2 WIMP mass (90% C.L.).",
author = "{-A. Amaudruz}, P. and Gary Boorman and Alistair Butcher and Nasim Fatemighomi and Emily Grace and A Hall and Ashlea Kemp and {La Zia}, Franco and Jocelyn Monroe and Navin Seeburn and Jo Taylor and Joseph Walding and {DEAP-3600 Collaboration}",
year = "2018",
month = aug,
day = "17",
doi = "10.1103/PhysRevLett.121.071801",
language = "English",
volume = "121",
pages = "1--6",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "7",

}

RIS

TY - JOUR

T1 - First Results from the DEAP-3600 Dark Matter Search with Argon at SNOLAB

AU - -A. Amaudruz, P.

AU - Boorman, Gary

AU - Butcher, Alistair

AU - Fatemighomi, Nasim

AU - Grace, Emily

AU - Hall, A

AU - Kemp, Ashlea

AU - La Zia, Franco

AU - Monroe, Jocelyn

AU - Seeburn, Navin

AU - Taylor, Jo

AU - Walding, Joseph

AU - DEAP-3600 Collaboration

PY - 2018/8/17

Y1 - 2018/8/17

N2 - This Letter 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 ton day) of data taken during the initial filling phase demonstrates the best electronic recoil rejection using pulse-shape discrimination in argon, with leakage < 1.2x10^-7 (90 C.L.) between 15 and 31keVee. No candidate signal events are observed, which results in the leading limit on weakly interacting massive particle (WIMP)-nucleon spin-independent cross section on argon, < 1.2x10^-44cm^2 for a 100GeV/c^2 WIMP mass (90% C.L.).

AB - This Letter 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 ton day) of data taken during the initial filling phase demonstrates the best electronic recoil rejection using pulse-shape discrimination in argon, with leakage < 1.2x10^-7 (90 C.L.) between 15 and 31keVee. No candidate signal events are observed, which results in the leading limit on weakly interacting massive particle (WIMP)-nucleon spin-independent cross section on argon, < 1.2x10^-44cm^2 for a 100GeV/c^2 WIMP mass (90% C.L.).

U2 - 10.1103/PhysRevLett.121.071801

DO - 10.1103/PhysRevLett.121.071801

M3 - Letter

VL - 121

SP - 1

EP - 6

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 7

M1 - 071801

ER -