Effect of low electric fields on alpha scintillation light yield in liquid argon

Agnes, P; Albuquerque, IFM; Alexander, T; Alton, AK; Asner, DM; Back, HO; Baldin, B; Biery, K; Bocci, V; Bonfini, G; Bonivento, W; Bossa, M; Bottino, B; Brigatti, A; Brodsky, J; Budano, F; Bussino, S; Cadeddu, M; Cadoni, M; Calaprice, F; Canci, N; Candela, A; Caravati, M; Cariello, M; Carlini, M; Catalanotti, S; Cavalcante, P; Chepurnov, A; Cicalò, C; Cocco, AG; Covone, G; D'Angelo, D; D'Incecco, M; Davini, S; Cecco, SD; Deo, MD; Vincenzi, MD; Derbin, A; Devoto, A; Eusanio, FD; Pietro, GD; Dionisi, C; Edkins, E; Empl, A; Fan, A; Fiorillo, G; Fomenko, K; Forster, G; Franco, D; Gabriele, F; Galbiati, C; Giagu, S; Giganti, C; Giovanetti, GK; Goretti, AM; Granato, F; Gromov, M; Guan, M; Guardincerri, Y; Hackett, BR; Herner, K; Hughes, D; Humble, P; Hungerford, EV; Ianni, A; James, I; Johnson, TN; Jollet, C; Keeter, K; Kendziora, CL; Koh, G; Korablev, D; Korga, G; Kubankin, A; Li, X; Lissia, M; Loer, B; Lombardi, P; Longo, G; Ma, Y; Machulin, IN; Mandarano, A; Mari, SM; Maricic, J; Marini, L; Martoff, CJ; Meregaglia, A; Meyers, PD; Milincic, R; Miller, JD; Montanari, D; Monte, A; Mount, BJ; Muratova, VN; Musico, P; Napolitano, J; Agasson, AN; Odrowski, S; Oleinik, A; Orsini, M

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Date

2017-01-24

Author

Agnes, P
Albuquerque, IFM
Alexander, T
Alton, AK
Asner, DM
Back, HO
Baldin, B
Biery, K
Bocci, V
Bonfini, G

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DOI

10.1088/1748-0221/12/01/P01021

Abstract

© 2017 IOP Publishing Ltd and Sissa Medialab srl. Measurements were made of scintillation light yield of alpha particles from the 222Rn decay chain within the DarkSide-50 liquid argon time projection chamber. The light yield was found to increase as the applied electric field increased, with alphas in a 200 V/cm electric field exhibiting a ∼2% increase in light yield compared to alphas in no field.

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Journal of Instrumentation

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