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Title: Dark matter search results from the PICO-2L C$$_3$$F$$_8$$ bubble chamber

Journal Article · · Physical Review Letters
 [1]
  1. Queen's Univ., Kingston, ON (Canada). et al.

New data are reported from the operation of a 2 liter C3F8 bubble chamber in the SNOLAB underground laboratory, with a total exposure of 211.5 kg days at four different energy thresholds below 10 keV. These data show that C3F8 provides excellent electron-recoil and alpha rejection capabilities at very low thresholds. The chamber exhibits an electron-recoil sensitivity of < 3.5 × 10–10 and an alpha rejection factor of > 98.2%. These data also include the first observation of a dependence of acoustic signal on alpha energy. Twelve single nuclear recoil event candidates were observed during the run. The candidate events exhibit timing characteristics that are not consistent with the hypothesis of a uniform time distribution, and no evidence for a dark matter signal is claimed. Lastly, these data provide the most sensitive direct detection constraints on WIMP-proton spin-dependent scattering to date, with significant sensitivity at low WIMP masses for spin-independent WIMP-nucleon scattering.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
PICO Collaboration
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1234885
Report Number(s):
FERMILAB-PUB-14-456-AE-E; PRLTAO; arXiv eprint number arXiv:1503.00008
Journal Information:
Physical Review Letters, Vol. 114, Issue 23; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 120 works
Citation information provided by
Web of Science

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Cited By (39)

Search for dark matter particles in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV using the razor variables journal December 2016
Bracketing the impact of astrophysical uncertainties on local dark matter searches journal December 2018
Effects of threshold energy on reconstructions of properties of low-mass WIMPs in direct dark matter detection experiments journal July 2018
Proton-philic spin-dependent inelastic dark matter as a viable explanation of DAMA/LIBRA-phase2 journal January 2019
On the critical energy required for homogeneous nucleation in bubble chambers employed in dark matter searches journal February 2019
Doublet–singlet model and unitarity journal January 2016
Direct detection of fermion dark matter in the radiative seesaw model journal February 2016
DarkSide-20k: A 20 tonne two-phase LAr TPC for direct dark matter detection at LNGS journal March 2018
Effects of the thermodynamic conditions on the acoustic signature of bubble nucleation in superheated liquids used in dark matter search experiments journal November 2019
Dark matter searches with a mono-Z′ jet journal June 2015
Searching for singlino-Higgsino dark matter in the NMSSM journal September 2016
Search for dark matter in proton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets journal December 2016
DAMA confronts null searches in the effective theory of dark matter-nucleon interactions journal May 2016
Directional detection of dark matter in universal bound states journal October 2015
A novel approach to derive halo-independent limits on dark matter properties journal September 2015
Evaporation and scattering of momentum- and velocity-dependent dark matter in the Sun journal October 2017
DAMA/LIBRA-phase2 in WIMP effective models journal July 2018
High-energy neutrino astrophysics journal July 2016
High-Energy Neutrino Astrophysics book December 2018
Search for dark matter in proton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets text January 2016
Search for dark matter in proton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets text January 2016
Erratum to: search for dark matter in proton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets text January 2017
Dark Matter Searches with a Mono-Z' jet text January 2015
Directional detection of dark matter in universal bound states text January 2015
A novel approach to derive halo-independent limits on dark matter properties text January 2015
Measurement of Muon Annual Modulation and Muon-Induced Phosphorescence in NaI(Tl) Crystals with DM-Ice17 text January 2015
Doublet-singlet model and unitarity text January 2015
Towards the Final Word on Neutralino Dark Matter text January 2015
Improved dark matter search results from PICO-2L Run 2 text January 2016
DAMA confronts null searches in the effective theory of dark matter-nucleon interactions text January 2016
You can hide but you have to run: direct detection with vector mediators text January 2016
Searching for Singlino-Higgsino Dark Matter in the NMSSM text January 2016
The Last Gasp of Dark Matter Effective Theory text January 2016
The Dawn of FIMP Dark Matter: A Review of Models and Constraints text January 2017
DarkSide-20k: A 20 Tonne Two-Phase LAr TPC for Direct Dark Matter Detection at LNGS text January 2017
On the critical energy required for homogeneous nucleation in bubble chambers employed in dark matter searches text January 2018
Effects of Threshold Energy on Reconstructions of Properties of Low-Mass WIMPs in Direct Dark Matter Detection Experiments text January 2018
Proton-philic spin-dependent inelastic Dark Matter (pSIDM) as a viable explanation of DAMA/LIBRA-phase2 text January 2018
A buffer-free concept bubble chamber for PICO dark matter searches text January 2019

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