The ZEPLIN-III dark matter detector: Performance study using an end-to-end simulation tool

Araújo, H. M.; Akimov, D.; Alner, G. J.; Bewick, A.; Bungau, Cristian; Camanzi, B.; Carson, M.; Chepel, V.; Chagani, H.; Davidge, D.; Davies, Julia; Daw, E. J.; Dawson, J.; Durkin, T.; Edwards, B.; Gamble, T.; Ghag, C.; Hollingworth, R. J.; Howard, Alex; Jones, W. G.; Joshi, M.; Kirkpatrick, J.; Kovalenko, A. G.; Kudryavtsev, V. A.; Lebedenko, V.N.; Lawson, T. B.; Lewin, J.D.; Lightfoot, P. K.; Lindote, A.; Liubarsky, I.; Lopes, I.; Lüscher, R.; Majewski, P.; Mavrokoridis, K.; McMillan, J. E.; Morgan, B.; Muna, Demitri; Murphy, A. St. J.; Neves, F.; Nicklin, G.; Paling, S. M.; Cunha, J. Pinto da; Plank, S.J.S.; Preece, R.; Quenby, J. J.; Robinson, M.; Silva, C.; Solovov, V.; Smith, N. J. T.; Smith, P.F.; Spooner, N. J. C.; Stekhanov, V.; Sumner, T. J.; Tovey, D. R.; Thorne, Claire; Tziaferi, E.; Walker, R. J.

doi:10.1016/j.astropartphys.2006.05.006

Cited by 24 publications

(18 citation statements)

References 31 publications

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“…The ZEPLIN-III instrument [22,23] is a dual phase liquid/gas xenon detector, built to observe low energy nuclear recoils resulting from elastic scattering of weakly interacting massive particles (WIMPs). The final scientific exploitation of the longrunning ZEPLIN project at the Boulby Underground Laboratory (at 2850 m w.e.)…”

Section: Experimental Apparatusmentioning

confidence: 99%

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Measurement and simulation of the muon-induced neutron yield in lead

Reichhart¹,

Lindote²,

Akimov³

et al. 2013

Astroparticle Physics

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A measurement is presented of the neutron production rate in lead by high energy cosmic-ray muons at a depth of 2850 m water equivalent (w.e.) and a mean muon energy of 260 GeV. The measurement exploits the delayed coincidences between muons and the radiative capture of induced neutrons in a highly segmented tonne scale plastic scintillator detector. Detailed Monte Carlo simulations reproduce well the measured capture times and multiplicities and, within the dynamic range of the instrumentation, the spectrum of energy deposits. By comparing measurements with simulations of neutron capture rates a neutron yield in lead of (5.78) has been obtained. Absolute agreement between simulation and data is of order 25%. Consequences for deep underground rare event searches are discussed.

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Section: Experimental Apparatusmentioning

confidence: 99%

“…The comprehensive simulation that was developed for the ZEPLIN-III experiment has already been well established in previous studies [23,26,34]. Complementary investigations of the veto detector have also been performed [27,28].…”

Section: Monte Carlo Simulationsmentioning

confidence: 99%

Measurement and simulation of the muon-induced neutron yield in lead

Reichhart¹,

Lindote²,

Akimov³

et al. 2013

Astroparticle Physics

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“…Geant4 [15,16] Monte Carlo simulations of the entire ZEPLIN-III experiment have been implemented to predict the detector response to neutrons [2]. For the simulations in this work, Geant4.9.3.…”

Section: Neutron Scattering Simulationmentioning

confidence: 99%

“…ZEPLIN-III [1][2][3] is a dark matter search instrument for the direct detection of weakly interactive massive particles (WIMPs) via their elastic scattering from xenon target nuclei. It records nuclear recoil events via two response channels: scintillation and ionisation.…”

Section: Introductionmentioning

confidence: 99%

Nuclear recoil scintillation and ionisation yields in liquid xenon from ZEPLIN-III data

et al. 2011

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Scintillation and ionisation yields for nuclear recoils in liquid xenon above 10 keV nr (nuclear recoil energy) are deduced from data acquired using broadband Am-Be neutron sources. The nuclear recoil data from several exposures to two sources were compared to detailed simulations. Energy-dependent scintillation and ionisation yields giving acceptable fits to the data were derived. Efficiency and resolution effects are treated using a light collection Monte Carlo, measured photomultiplier response profiles and hardware trigger studies. A gradual fall in scintillation yield below ∼ 40 keV nr is found, together with a rising ionisation yield; both are in agreement with the latest independent measurements. The analysis method is applied to the most recent ZEPLIN-III data, acquired with a significantly upgraded detector and a precision-calibrated Am-Be source, as well as to the earlier data from the first run in 2008. A new method for deriving the recoil scintillation yield, which includes sub-threshold S1 events, is also presented which confirms the main analysis.

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“…More recently, xenon dual-phase detectors have been developed for dark matter search, namely for the detection of Weak Interacting Massive Particles [3][4][5]. In both cases, signal amplification in the gas is achieved by accelerating the electrons resulting from the radiation interaction to excite the gas atoms by electron impact, leading to the production of secondary scintillation, the so-called electroluminescence.…”

Section: Introductionmentioning

confidence: 99%

Secondary scintillation yield in pure xenon

et al. 2007

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The xenon secondary scintillation yield was studied as a function of the electric field in the scintillation region, in a gas proportional scintillation counter operated at room temperature. A large area avalanche photodiode was used for the readout of the VUV secondary scintillation produced in the gas, together with the 5.9 keV x-rays directly absorbed in the photodiode. The latter was used as a reference for the determination of the number of charge carriers produced by the scintillation pulse and, thus, the number of VUV photons impinging the photodiode. A value of 140 photons/kV was obtained for the scintillation amplification parameter. The attained results are in good agreement with those predicted, for room temperature, by Monte Carlo simulation and Boltzmann calculations, as well as with those obtained for saturated xenon vapour, at cryogenic temperatures, and are about a factor of two higher than former results measured at room temperature.

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The ZEPLIN-III dark matter detector: Performance study using an end-to-end simulation tool

Cited by 24 publications

References 31 publications

Measurement and simulation of the muon-induced neutron yield in lead

Measurement and simulation of the muon-induced neutron yield in lead

Nuclear recoil scintillation and ionisation yields in liquid xenon from ZEPLIN-III data

Secondary scintillation yield in pure xenon

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