The LUX prototype detector: Heat exchanger development

D. S. Akerib, X. Bai, S. Bedikian, A. Bernstein, A. Bolozdynya, A. Bradley, S. B. Cahn, D. Carr, J. J. Chapman, K. Clark*, T. Classen, A. Curioni, C. E. Dahl, S. Dazeley, L. De Viveiros, M. Dragowsky, E. Druszkiewicz, S. Fiorucci, R. J. Gaitskell, C. HallC. Faham, B. Holbrook, L. Kastens, K. Kazkaz, J. Kwong, R. Lander, D. Leonard, D. Malling, R. Mannino, D. N. McKinsey, D. Mei, J. Mock, M. Morii, J. A. Nikkel, P. Phelps, T. Shutt, W. Skulski, P. Sorensen, J. Spaans, T. Steigler, R. Svoboda, M. Sweany, J. Thomson, M. Tripathi, N. Walsh, R. Webb, J. White, F. L H Wolfs, M. Woods, C. Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The LUX (large underground xenon) detector is a two-phase xenon time projection chamber (TPC) designed to search for WIMP-nucleon dark matter interactions. As with all noble element detectors, continuous purification of the detector medium is essential to produce a large (>1ms) electron lifetime; this is necessary for efficient measurement of the electron signal which in turn is essential for achieving robust discrimination of signal from background events. In this paper, we describe the development of a novel purification system deployed in a prototype detector. The results from the operation of this prototype indicated heat exchange with an efficiency above 94% up to a flow rate of 42 slpm, allowing for an electron drift length greater than 1 m to be achieved in approximately 2 days and sustained for the duration of the testing period.

Original languageEnglish (US)
Pages (from-to)29-36
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume709
DOIs
StatePublished - Feb 25 2013

Keywords

  • Charge transport and multiplication in liquid media
  • Large detector systems for particle and astroparticle physics
  • Noble-liquid detectors

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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