Improved dark matter search results from PICO-2L Run 2

C. Amole; M. Ardid; I. J. Arnquist; D. M. Asner; D. Baxter; E. Behnke; P. Bhattacharjee; H. Borsodi; M. Bou-Cabo; S. J. Brice; D. Broemmelsiek; K. Clark; J. I. Collar; P. S. Cooper; M. Crisler; C. E. Dahl; M. Das; F. Debris; S. Fallows; J. Farine; I. Felis; R. Filgas; M. Fines-Neuschild; F. Girard; G. Giroux; J. Hall; O. Harris; E. W. Hoppe; C. M. Jackson; M. Jin; C. B. Krauss; M. Lafreniere; M. Laurin; I. Lawson; A. Leblanc; I. Levine; W. H. Lippincott; E. Mann; J. P. Martin; D. Maurya; P. Mitra; S. Olson; R. Neilson; A. J. Noble; A. Plante; R. B. Podviianiuk; S. Priya; A. E. Robinson; M. Ruschman; O. Scallon; A. Sonnenschein; N. Starinski; I. Stekl; E. Vazquez-Jauregui; J. Wells; U. Wichoski; V. Zacek; J. Zhang; PICO Collaboration

doi:10.1103/PhysRevD.93.061101

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Improved dark matter search results from PICO-2L Run 2

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Improved dark matter search results from PICO-2L Run 2

C. Amole, M. Ardid, I. J. Arnquist, D. M. Asner, D. Baxter, E. Behnke, P. Bhattacharjee, H. Borsodi, M. Bou-Cabo, S. J. Brice, …

Physical review. D, v 93(6)

21 Mar 2016

DOI: https://doi.org/10.1103/PhysRevD.93.061101

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Abstract

Astronomy & Astrophysics

Physical Sciences

Physics

Physics, Particles & Fields

Science & Technology

New data are reported from a second run of the 2-liter PICO-2L C3F8 bubble chamber with a total exposure of 129 kg-days at a thermodynamic threshold energy of 3.3 keV. These data show that measures taken to control particulate contamination in the superheated fluid resulted in the absence of the anomalous background events observed in the first run of this bubble chamber. One single nuclear-recoil event was observed in the data, consistent both with the predicted background rate from neutrons and with the observed rate of unambiguous multiple-bubble neutron scattering events. The chamber exhibits the same excellent electron-recoil and alpha decay rejection as was previously reported. These data provide the most stringent direct detection constraints on weakly interacting massive particle (WIMP)-proton spin-dependent scattering to date for WIMP masses < 50 GeV/c(2).

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Title: Improved dark matter search results from PICO-2L Run 2
Creators: C. Amole - Queen's University
M. Ardid - Universitat Politècnica de València
I. J. Arnquist - Pacific Northwest National Laboratory
D. M. Asner - Pacific Northwest National Laboratory
D. Baxter - Northwestern University
E. Behnke - Indiana University
P. Bhattacharjee - Saha Institute of Nuclear Physics
H. Borsodi - Indiana University
M. Bou-Cabo - Universitat Politècnica de València
S. J. Brice - Fermilab
D. Broemmelsiek - Fermilab
K. Clark - University of Toronto
J. I. Collar - University of Chicago
P. S. Cooper - Fermilab
M. Crisler - Fermilab
C. E. Dahl - Northwestern University
M. Das - Saha Institute of Nuclear Physics
F. Debris - University of Montreal
S. Fallows - University of Alberta
J. Farine - Laurentian University
I. Felis - Univ Politecn Valencia, Dept Fis Aplicada, E-46022 Valencia, Spain
R. Filgas - Czech Technical University in Prague
M. Fines-Neuschild - University of Montreal
F. Girard - Laurentian University
G. Giroux - Queen's University
J. Hall - Pacific Northwest National Laboratory
O. Harris - Indiana University
E. W. Hoppe - Pacific Northwest National Laboratory
C. M. Jackson - University of Montreal
M. Jin - Northwestern University
C. B. Krauss - University of Alberta
M. Lafreniere - University of Montreal
M. Laurin - University of Montreal
I. Lawson - Laurentian University
A. Leblanc - Laurentian University
I. Levine - Indiana University
W. H. Lippincott - Fermilab
E. Mann - Indiana University
J. P. Martin - Université de Montréal
D. Maurya - Virginia Tech
P. Mitra - University of Alberta
S. Olson - Queen's University
R. Neilson - Drexel University
A. J. Noble - Queen's University
A. Plante - University of Montreal
R. B. Podviianiuk - Laurentian University
S. Priya - Virginia Tech
A. E. Robinson - Fermilab
M. Ruschman - Fermilab
O. Scallon - Laurentian University
A. Sonnenschein - Fermilab
N. Starinski - University of Montreal
I. Stekl - Czech Technical University in Prague
E. Vazquez-Jauregui - National Autonomous University of Mexico
J. Wells - Indiana University
U. Wichoski - Laurentian University
V. Zacek - University of Montreal
J. Zhang - Northwestern University
PICO Collaboration
Publication Details: Physical review. D, v 93(6)
Publisher: Amer Physical Soc
Number of pages: 5
Grant note: DE-AC02-07CH11359 / Fermi National Accelerator Laboratory; United States Department of Energy (DOE); University of Chicago Canada Foundation for Innovation (CFI); Canada Foundation for Innovation CSD2009-00064 / Spanish Ministerio de Economia y Competitividad, Consolider MultiDark IA100316 / DGAPA-UNAM through grant PAPIIT National Sciences and Engineering Research Council of Canada (NSERC); Natural Sciences and Engineering Research Council of Canada (NSERC) 1242637 / Division Of Physics; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS) DE-SC-0012161 / U.S. Department of Energy; United States Department of Energy (DOE) Pacific Northwest National Laboratory; United States Department of Energy (DOE) Department of Atomic Energy (DAE), Government of India, under the Center of AstroParticle Physics II project (CAPP-II) at Saha Institute of Physics (SINP) 1506377 / Direct For Mathematical & Physical Scien; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS) LM2011027 / Czech Ministry of Education, Youth and Sports; Ministry of Education, Youth & Sports - Czech Republic PHY-1242637; PHY-0919526; PHY-1205987; PHY-1506377 / National Science Foundation (NSF)
Resource Type: Journal article
Language: English
Academic Unit: Accelerated Career Entry Bachelor of Science in Nursing (BSN); Physics; Chemical and Biological Engineering
Web of Science ID: WOS:000372721800001
Scopus ID: 2-s2.0-84960182754
Other Identifier: 991019169163604721

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Collaboration types: Domestic collaboration; International collaboration
Web of Science research areas: Astronomy & Astrophysics; Physics, Particles & Fields

Improved dark matter search results from PICO-2L Run 2

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