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An optimal energy estimator to reduce correlated noise for the EXO-200 light readout

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Title
An optimal energy estimator to reduce correlated noise for the EXO-200 light readout
Author(s)
Davis, CG; Hall, C; Albert, JB; Barbeau, PS; Beck, D; Belov, V; Breidenbach, M; Brunner, T; Burenkov, A; Cao, GF; Cen, WR; Chambers, C; Cleveland, B; Coon, M; Craycraft, A; Daniels, T; Danilov, M; Daugherty, SJ; Davis, J; Delaquis, S; Der Mesrobian-Kabakian, A; DeVoe, R; Didberidze, T; Dilling, J; Dolgolenko, A; Dolinski, MJ; Dunford, M; Fairbank, W; Farine, J; Feldmeier, W; Feyzbakhsh, S; Fierlinger, P; Fudenberg, D; Gornea, R; Graham, K; Gratta, G; Hughes, M; Jewell, MJ; Johnson, A; Johnson, TN; Johnston, S; Karelin, A; Kaufman, LJ; Killick, R; Koffas, T; Kravitz, S; Krucken, R; Kuchenkov, A; Kumar, KS; D.S. Leonard; Licciardi, C; Lin, YH; Ling, J; MacLellan, R; Marino, MG; Mong, B; Moore, D; Njoya, O; Nelson, R; Odian, A; Ostrovskiy, I; Piepke, A; Pocar, A; Prescott, CY; Retiere, F; Rowson, PC; Russell, JJ; Schubert, A; Sinclair, D; Smith, E; Stekhanov, V; Tarka, M; Tolba, T; Tsang, R; Twelker, K; Vuilleumier, JL; Waite, A; Walton, J; Walton, T; Weber, M; Wen, LJ; Wichoski, U; Wood, J; Yang, L; Yen, YR; Zeldovich, OY
Subject
Analysis and statistical methods, ; Data processing methods, ; Double-beta decay detectors, ; Noble liquid detectors (scintillation, ionization, double-phase)
Publication Date
2016-07
Journal
JOURNAL OF INSTRUMENTATION, v.11, no.7, pp.P07015
Publisher
IOP PUBLISHING LTD
Abstract
The energy resolution of the EXO-200 detector is limited by electronics noise in the measurement of the scintillation response. Here we present a new technique to extract optimal scintillation energy measurements for signals split across multiple channels in the presence of correlated noise. The implementation of these techniques improves the energy resolution of the detector at the neutrinoless double beta decay Q-value from [1.9641 +/- 0.0039]% to [1.5820 +/- 0.0044]%. (c) 2016 IOP Publishing Ltd and Sissa Medialab srl
URI
https://pr.ibs.re.kr/handle/8788114/3289
DOI
10.1088/1748-0221/11/07/P07015
ISSN
1748-0221
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > 1. Journal Papers (저널논문)
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