Event reconstruction in a liquid xenon Time Projection Chamber with an optically-open field cage
Publication
, Journal Article
Stiegler, T; Sangiorgio, S; Brodsky, JP; Heffner, M; Kharusi, SA; Anton, G; Arnquist, IJ; Badhrees, I; Barbeau, PS; Beck, D; Belov, V; Cao, GF ...
Published in: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
June 1, 2021
nEXO is a proposed tonne-scale neutrinoless double beta decay (0νββ) experiment using liquid 136Xe (LXe) in a Time Projection Chamber (TPC) to read out ionization and scintillation signals. Between the field cage and the LXe vessel, a layer of LXe (“skin” LXe) is present, where no ionization signal is collected. Only scintillation photons are detected, owing to the lack of optical barrier around the field cage. In this work, we show that the light originating in the skin LXe region can be used to improve background discrimination by 5% over previous published estimates. This improvement comes from two elements. First, a fraction of the γ-ray background is removed by identifying light from interactions with an energy deposition in the skin LXe. Second, background from 222Rn dissolved in the skin LXe can be efficiently rejected by tagging the α decay in the 214Bi-214Po chain in the skin LXe.
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Published In
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
DOI
ISSN
0168-9002
Publication Date
June 1, 2021
Volume
1000
Related Subject Headings
- Nuclear & Particles Physics
- 5106 Nuclear and plasma physics
- 0299 Other Physical Sciences
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences
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Stiegler, T., Sangiorgio, S., Brodsky, J. P., Heffner, M., Kharusi, S. A., Anton, G., … Ostrovskiy, I. (2021). Event reconstruction in a liquid xenon Time Projection Chamber with an optically-open field cage. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1000. https://doi.org/10.1016/j.nima.2021.165239
Stiegler, T., S. Sangiorgio, J. P. Brodsky, M. Heffner, S. A. Kharusi, G. Anton, I. J. Arnquist, et al. “Event reconstruction in a liquid xenon Time Projection Chamber with an optically-open field cage.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1000 (June 1, 2021). https://doi.org/10.1016/j.nima.2021.165239.
Stiegler T, Sangiorgio S, Brodsky JP, Heffner M, Kharusi SA, Anton G, et al. Event reconstruction in a liquid xenon Time Projection Chamber with an optically-open field cage. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2021 Jun 1;1000.
Stiegler, T., et al. “Event reconstruction in a liquid xenon Time Projection Chamber with an optically-open field cage.” Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 1000, June 2021. Scopus, doi:10.1016/j.nima.2021.165239.
Stiegler T, Sangiorgio S, Brodsky JP, Heffner M, Kharusi SA, Anton G, Arnquist IJ, Badhrees I, Barbeau PS, Beck D, Belov V, Bhatta T, Bolotnikov A, Breur PA, Brown E, Brunner T, Caden E, Cao GF, Cao L, Chambers C, Chana B, Charlebois SA, Chiu M, Cleveland B, Coon M, Craycraft A, Dalmasson J, Daniels T, Darroch L, De A, Mesrobian-Kabakian AD, Deslandes K, DeVoe R, Di Vacri ML, Dilling J, Ding YY, Dolinski MJ, Dragone A, Echevers J, Edaltafar F, Elbeltagi M, Fabris L, Fairbank D, Fairbank W, Farine J, Ferrara S, Feyzbakhsh S, Gallina G, Gautam P, Giacomini G, Goeldi D, Gornea R, Gratta G, Hansen EV, Hoppe EW, Hößl J, House A, Hughes M, Iverson A, Jamil A, Jewell MJ, Jiang XS, Karelin A, Kaufman LJ, Koffas T, Krücken R, Kuchenkov A, Kumar KS, Lan Y, Larson A, Leach KG, Lenardo BG, Leonard DS, Li G, Li S, Li Z, Licciardi C, Lv P, MacLellan R, Massacret N, McElroy T, Medina-Peregrina M, Michel T, Mong B, Moore DC, Murray K, Nakarmi P, Natzke CR, Newby RJ, Ni K, Ning Z, Njoya O, Nolet F, Nusair O, Odgers K, Odian A, Oriunno M, Orrell JL, Ortega GS, Ostrovskiy I. Event reconstruction in a liquid xenon Time Projection Chamber with an optically-open field cage. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2021 Jun 1;1000.
Published In
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
DOI
ISSN
0168-9002
Publication Date
June 1, 2021
Volume
1000
Related Subject Headings
- Nuclear & Particles Physics
- 5106 Nuclear and plasma physics
- 0299 Other Physical Sciences
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences