The LUX-ZEPLIN (LZ) Experiment

We describe the design and assembly of the LUX-ZEPLIN experiment, a direct detection search for cosmic WIMP dark matter particles. The centerpiece of the experiment is a large liquid xenon time projection chamber sensitive to low energy nuclear recoils. Rejection of backgrounds is enhanced by a Xe s...

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Veröffentlicht in:	arXiv.org 2019-11
Hauptverfasser:	Akerib, D S, Akerlof, C W, Araújo, H M, Armstrong, J E, Bauer, D, Baxter, A, Benson, T, Biekert, A, Boulton, E M, Brás, P, Breidenbach, M, Busenitz, J K, Carlsmith, D L, Carmona-Benitez, M C, Chan, C, Chiller, A A, Chiller, C, Colling, D, Conley, R A, Coughlen, R, Cutter, J E, de Viveiros, L, Edwards, B N, Faham, C H, Fayer, S, Francis, V B, Froborg, F, Gantos, N J, Geffre, A, Gehman, V M, Gelfand, R, Genovesi, J, Gokhale, S, Gwilliam, C B, Hanzel, K, Harrison, A, Hasselkus, C, Heise, J, Hitchcock, O, Hjemfelt, C, W Ji, Johnson, P, Jones, W G, Kaboth, A C, Kamaha, A, Kazkaz, K, Khaitan, D, Khaleeq, M, Kravitz, S W, Kreczko, L, Kudryavtsev, V A, Lambert, A R, A Laundrie, Leason, E A, Lee, H S, Lee, C, Lenardo, B G, Liao, J, F -T Liao, Linehan, R, Liu, R, Luitz, S, Makkinje, J, Malling, D C, MarrLaundrie, P, McConnell, C T, McLaughlin, J, Miller, E H, Minaker, Z J, Mizrachi, E, Naylor, A, Nedlik, C, Nilima, A, O'Neill, F G, Oliver-Mallory, K C, Pagenkopf, D, Palmaccio, V M, Pangilinan, M, Pierson, S, Rodrigues, J P, Rutherford, G, Saba, J S, Sabarots, L, Sarychev, M, Shutt, T A, Solovov, V N, Sorensen, P, Sosnovtsev, V V, Sutcliffe, P, Tan, M, Taylor, W C, Taylor, D J, Temples, D, Tennyson, B P, Thomas, K J, Uvarov, S, W -Z Wei, While, M, Wisniewski, W J, Witherell, M S
Format:	Artikel
Sprache:	eng
Schlagworte:	Dark matter Experiments Gadolinium Nuclear capture Physics - High Energy Physics - Experiment Physics - Instrumentation and Detectors Physics - Instrumentation and Methods for Astrophysics Radiation counters Scintillation counters Subsystems Underground caverns Xenon
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Beschreibung
Zusammenfassung:	We describe the design and assembly of the LUX-ZEPLIN experiment, a direct detection search for cosmic WIMP dark matter particles. The centerpiece of the experiment is a large liquid xenon time projection chamber sensitive to low energy nuclear recoils. Rejection of backgrounds is enhanced by a Xe skin veto detector and by a liquid scintillator Outer Detector loaded with gadolinium for efficient neutron capture and tagging. LZ is located in the Davis Cavern at the 4850' level of the Sanford Underground Research Facility in Lead, South Dakota, USA. We describe the major subsystems of the experiment and its key design features and requirements.
ISSN:	2331-8422
DOI:	10.48550/arxiv.1910.09124