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After LUX: The LZ program

  • Author(s): Malling, DC
  • Chapman, JJ
  • Faham, CH
  • Fiorucci, S
  • Gaitskell, RJ
  • Pangilinan, M
  • Verbus, JR
  • Akerib, DS
  • Bradley, A
  • Carmona-Benitez, MC
  • Clark, K
  • Coffey, T
  • Dragowsky, M
  • Gibson, KR
  • Lee, C
  • Phelps, P
  • Shutt, T
  • Araújo, HM
  • Currie, A
  • Sumner, TJ
  • Bai, X
  • Hanhardt, M
  • Bedikian, S
  • Bernard, E
  • Cahn, SB
  • Kastens, L
  • Larsen, N
  • Lyashenko, A
  • McKinsey, DN
  • Nikkel, JA
  • Bernstein, A
  • Carr, D
  • Dazeley, S
  • Kazkaz, K
  • Sorensen, P
  • Classen, T
  • Holbrook, B
  • Lander, R
  • Mock, J
  • Svoboda, R
  • Sweany, M
  • Szydagis, M
  • Thomson, J
  • Tripathi, M
  • Walsh, N
  • Woods, M
  • de Viveiros, L
  • Lindote, A
  • Lopes, MI
  • Neves, F
  • Silva, C
  • Solovov, V
  • Druszkiewicz, E
  • Skulski, W
  • Wolfs, FLH
  • Hall, C
  • Leonard, D
  • Ihm, M
  • Jacobsen, RG
  • Lesko, K
  • Majewski, P
  • Mannino, R
  • Stiegler, T
  • Webb, R
  • White, JT
  • Mei, DM
  • Spaans, J
  • Zhang, C
  • Morii, M
  • Wlasenko, M
  • Murphy, ASJ
  • Reichhart, L
  • Nelson, H
  • et al.
Abstract

© Proceedings of the 2011 Meeting of the Division of Particles and Fields of the American Physical Society, DPF 2011. All rights reserved. The LZ program consists of two stages of direct dark matter searches using liquid Xe detectors. The first stage will be a 1.5-3 tonne detector, while the last stage will be a 20 tonne detector. Both devices will benefit tremendously from research and development performed for the LUX experiment, a 350 kg liquid Xe dark matter detector currently operating at the Sanford Underground Laboratory. In particular, the technology used for cryogenics and electrical feedthroughs, circulation and purification, low-background materials and shielding techniques, electronics, calibrations, and automated control and recovery systems are all directly scalable from LUX to the LZ detectors. Extensive searches for potential background sources have been performed, with an emphasis on previously undiscovered background sources that may have a significant impact on tonne-scale detectors. The LZ detectors will probe spin-independent interaction cross sections as low as 5 × 10-49 cm2 for 100 GeV WIMPs, which represents the ultimate limit for dark matter detection with liquid xenon technology.

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