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The ZEPLIN III Detector; Results from Surface Calibrations
Sumner, T. J.; Akimov, D. Yu.; Alner, G. J.; Araújo, H. M.; Bewick, A.; Bungau, C.; Burenkov, A. A.; Carson, M. J.; Chagani, H.; Chepel, V.; Cline, D.ZEPLIN-III is a direct dark-matter search instrument using liquid xenon as a target.Both the scintillation light and the ionisation charge are measured.The instrument has been built and it is currently being testing in a surface laboratory.We present results from some of the initial testing, including design thermal control system verification, photomultiplier calibration (including spectral measurements with 6...
Preliminary results on position reconstruction for ZEPLIN III
Lindote, A.; Araújo, H. M.; Cunha, J. Pinto da; Akimov, D. Yu.; Chepel, V.; Davidge, D.; Dawson, J. V.; Joshi, M.; Lebedenko, V. N.; Liubarsky, I.ZEPLIN III is a two-phase xenon detector for direct dark matter search that will look for rare nuclear recoils from elastic scattering of Weakly Interacting Massive Particles off xenon atoms. ZEPLIN III measures both the scintillation and ionisation signals produced in the liquid by the interacting particle. The prompt scintillation is detected by an array of 31 photomultipliers (PM) immersed in the liquid, and...
The ZEPLIN-III dark matter detector: Instrument design, manufacture and commiss...
Akimov, D. Yu.; Alner, G. J.; Araújo, H. M.; Bewick, A.; Bungau, C.; Burenkov, A. A.; Carson, M. J.; Chagani, H.; Chepel, V.; Cline, D.; Davidge, D.We present details of the technical design, manufacture and testing of the ZEPLIN-III dark matter experiment. ZEPLIN-III is a two-phase xenon detector which measures both the scintillation light and the ionisation charge generated in the liquid by interacting particles and radiation. The instrument design is driven by both the physics requirements and by the technology requirements surrounding the use of liquid...
The ZEPLIN-III dark matter detector: Performance study using an end-to-end simu...
Araújo, H. M.; Akimov, D. Yu.; Alner, G. J.; Bewick, A.; Bungau, C.; Camanzi, B.; Carson, M. J.; Chepel, V.; Chagani, H.; Davidge, D.; Davies, J. C.We present results from a GEANT4-based Monte Carlo tool for end-to-end simulations of the ZEPLIN-III dark matter experiment. ZEPLIN-III is a two-phase detector which measures both the scintillation light and the ionisation charge generated in liquid xenon by interacting particles and radiation. The software models the instrument response to radioactive backgrounds and calibration sources, including the generati...
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