Production and testing of limited streamer tubes for the end-cap muon subdetector of OPAL

Arnison, G.; Colley, D.C.; Connolly, J.F.; Couch, M.; Hattersley, P. M.; Hillier, S. J.; Homer, R. J.; Horton, P.J.; Isherwood, E.C.; Jobes, M.; Jovanović, P.; MacKay, Peter E.; McMahon, T. J.; Parkinson, B. A.; Rees, D. L.; Smith, T. J.; Souten, K.; Staley, R.; Stokes, Wayne; Walker, A.; Watkins, P. M.; Watson, N. K.; Wilson, J. A.

doi:10.1016/0168-9002(90)90283-c

Cited by 13 publications

(4 citation statements)

References 4 publications

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“…Afterward, the detector was kept at room temperature for one month in April 2014 before starting WS2014-16. During the conditioning, potentials were held just above the onset of sustained discharge and maintained for many days, akin to the burn-in period often employed in room-temperature proportional counter commissioning [8][9][10][11]. First, the potentials on gate and anode grids were raised to −5 kV and 7 kV, respectively, while in cold xenon gas (180 K).…”

Section: The Lux Detectormentioning

confidence: 99%

3D modeling of electric fields in the LUX detector

et al. 2017

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Contents 1 The LUX detector 1 2 Modeling electric fields inside the LUX detector 3 2.1 LUX 3D model geometry 3 2.2 Electric fields modeling 4 2.3 Modeling charges in the LUX detector 6 2.4 Alternative explanations for the field distortion 8 3 Modeling detector observables 9 3.1 WS2013 modeling results 9 3.2 Alternative determination of electric field magnitude using NEST 11 4 Time-dependence of electric fields during WS2014-16 13 4.1 Charge evolution 13 4.2 Electric fields in WS2014-16 analysis 14

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Section: The Lux Detectormentioning

confidence: 99%

3D modeling of electric fields in the LUX detector

et al. 2017

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“…In preparation for the WIMP-search exposure reported here (WS2014-16), the anode, gate, and cathode grid electrodes underwent a campaign of "conditioning" in cold Xe gas, during which each electrode's applied voltage was elevated just above the onset of sustained discharge and maintained for a multiday period, akin to the burn-in period often employed in room-temperature proportional counter commissioning [14][15][16][17][18]. The goal of this campaign was to improve the voltages at which the electrodes could be biased.…”

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confidence: 99%

Results from a search for dark matter in the complete LUX exposure

Akerib,

Alsum,

Araújo

et al. 2016

Preprint

374

709

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We report constraints on spin-independent weakly interacting massive particle (WIMP)-nucleon scattering using a 3.35×10 4 kg day exposure of the Large Underground Xenon (LUX) experiment. A dual-phase xenon time projection chamber with 250 kg of active mass is operated at the Sanford Underground Research Facility under Lead, South Dakota (USA). With roughly fourfold improvement in sensitivity for high WIMP masses relative to our previous results, this search yields no evidence of WIMP nuclear recoils. At a WIMP mass of 50 GeV c −2 , WIMP-nucleon spin-independent cross sections above 2.2×10 −46 cm 2 are excluded at the 90% confidence level. When combined with the previously reported LUX exposure, this exclusion strengthens to 1.1×10 −46 cm 2 at 50 GeV c −2 .

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mentioning

confidence: 99%

Dark Matter Still at Large

Cooley

2017

Physics

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We report constraints on spin-independent weakly interacting massive particle (WIMP)-nucleon scattering using a 3.35 × 10 4 kg day exposure of the Large Underground Xenon (LUX) experiment. A dual-phase xenon time projection chamber with 250 kg of active mass is operated at the Sanford Underground Research Facility under Lead, South Dakota (USA). With roughly fourfold improvement in sensitivity for high WIMP masses relative to our previous results, this search yields no evidence of WIMP nuclear recoils. At a WIMP mass of 50 GeV c −2 , WIMP-nucleon spin-independent cross sections above 2.2 × 10 −46 cm 2 are excluded at the 90% confidence level. When combined with the previously reported LUX exposure, this exclusion strengthens to 1.1 × 10 −46 cm 2 at 50 GeV c −2 .

show abstract

Production and testing of limited streamer tubes for the end-cap muon subdetector of OPAL

Cited by 13 publications

References 4 publications

3D modeling of electric fields in the LUX detector

3D modeling of electric fields in the LUX detector

Results from a search for dark matter in the complete LUX exposure

Dark Matter Still at Large

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