In-situ characterization of the Hamamatsu R5912-HQE photomultiplier tubes used in the DEAP-3600 experiment

The Hamamatsu R5912-HQE photomultiplier-tube (PMT) is a novel high-quantum efficiency PMT. It is currently used in the DEAP-3600 dark matter detector and is of significant interest for future dark matter and neutrino experiments where high signal yields are needed. We report on the methods developed...

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Veröffentlicht in:	arXiv.org 2019-01
Hauptverfasser:	Collaboration, DEAP, P -A Amaudruz, Batygov, M, Beltran, B, Bina, C E, Bishop, D, Bonatt, J, Boorman, G, Boulay, M G, Broerman, B, Bromwich, T, Bueno, J F, Butcher, A, Cai, B, Chan, S, Chen, M, Chouinard, R, Churchwell, S, Cleveland, B T, Cranshaw, D, Dering, K, Dittmeier, S, Duncan, F A, Dunford, M, Erlandson, A, Fatemighomi, N, d, R J, Gagnon, R, Giampa, P, Golovko, V V, Gorel, P, Gornea, R, Grace, E, Graham, K, Grant, D R, Gulyev, E, Hall, A, Hallin, A L, Hamstra, M, Harvey, P J, Hearns, C, Kamaev, O, Kuźniak, M, Langrock, S, La Zia, F, Lehnert, B, O Li, Lidgard, J J, Liimatainen, P, Lim, C, Lindner, T, Linn, Y, Liu, S, Mathew, R, McDonald, A B, McElroy, T, McFarlane, K, McLaughlin, J, Mead, S, Mehdiyev, R, Mielnichuk, C, Monroe, J, Muir, A, Nadeau, P, Nantais, C, C Ng, Noble, A J, O'Dwyer, E, Ohlmann, C, Olchanski, K, Olsen, K S, Ouellet, C, Pasuthip, P, Peeters, S J M, Pollmann, T R, Rand, E T, Rau, W, Rethmeier, C, Retiére, F, Seeburn, N, Shaw, B, Singhrao, K, Skensved, P, Smith, B, Smith, N J T, Sonley, T, Stainforth, R, Stone, C, Strickland, V, Sur, B, Tang, J, Taylor, J, Veloce, L, Vázquez-Jáuregui, E, Walding, J, Ward, M, Westerdale, S, White, R, Woolsey, E, Zielinski, J
Format:	Artikel
Sprache:	eng
Schlagworte:	Charge distribution Correlation analysis Dark matter Light emitting diodes Neutrinos Optical fibers Photoelectrons Photomultiplier tubes Physics - Instrumentation and Detectors Quantum efficiency Sensors
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Zusammenfassung:	The Hamamatsu R5912-HQE photomultiplier-tube (PMT) is a novel high-quantum efficiency PMT. It is currently used in the DEAP-3600 dark matter detector and is of significant interest for future dark matter and neutrino experiments where high signal yields are needed. We report on the methods developed for in-situ characterization and monitoring of DEAP's 255 R5912-HQE PMTs. This includes a detailed discussion of typical measured single-photoelectron charge distributions, correlated noise (afterpulsing), dark noise, double, and late pulsing characteristics. The characterization is performed during the detector commissioning phase using laser light injected through a light diffusing sphere and during normal detector operation using LED light injected through optical fibres.
ISSN:	2331-8422
DOI:	10.48550/arxiv.1705.10183