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Simulation of argon response and light detection in the DarkSide-50 dual phase TPC

Author(s): Agnes, P; Albuquerque, IFM; Alexander, T; Alton, AK; Asner, DM; et al

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Abstract: A Geant4-based Monte Carlo package named G4DS has been developed to simulate the response of DarkSide-50, an experiment operating since 2013 at LNGS, designed to detect WIMP interactions in liquid argon. In the process of WIMP searches, DarkSide-50 has achieved two fundamental milestones: the rejection of electron recoil background with a power of similar to 10(7), using the pulse shape discrimination technique, and the measurement of the residual Ar-39 contamination in underground argon, similar to 3 orders of magnitude lower with respect to atmospheric argon. These results rely on the accurate simulation of the detector response to the liquid argon scintillation, its ionization, and electron-ion recombination processes. This work provides a complete overview of the DarkSide Monte Carlo and of its performance, with a particular focus on PARIS, the custom-made liquid argon response model.
Publication Date: Oct-2017
Electronic Publication Date: 23-Oct-2017
Citation: Agnes, P, Albuquerque, IFM, Alexander, T, Alton, AK, Asner, DM, Back, HO, Biery, K, Bocci, V, Bonfini, G, Bonivento, W, Bossa, M, Bottino, B, Budano, F, Bussino, S, Cadeddu, M, Cadoni, M, Calaprice, F, Canci, N, Candela, A, Caravati, M, Cariello, M, Carlini, M, Catalanotti, S, Cataudella, V, Cavalcante, P, Chepurnov, A, Cicalo, C, Cocco, AG, Covone, G, D Angelo, D, D Incecco, M, Davini, S, de Candia, A, De Cecco, S, De Deo, M, De Filippis, G, De Vincenzi, M, Derbin, AV, De Rosa, G, Devoto, A, Di Eusanio, F, Di Pietro, G, Dionisi, C, Edkins, E, Empl, A, Fan, A, Fiorillo, G, Fomenko, K, 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, An, James, I, Johnson, TN, Keeter, K, Kendziora, CL, Koh, G, Korablev, D, Korga, G, Kubankin, A, Li, X, Lissia, M, Loer, B, Longo, G, Ma, Y, Machado, AA, Machulin, IN, Mandarano, A, Mari, SM, Maricic, J, Martoff, CJ, Meyers, PD, Milincic, R, Monte, A, Mount, BJ, Muratova, VN, Musico, P, Napolitano, J, Agasson, A Navrer, Oleinik, A, Orsini, M, Ortica, F, Pagani, L, Pallavicini, M, Pantic, E, Pelczar, K, Pelliccia, N, Pocar, A, Pordes, S, Pugachev, DA, Qian, H, Randle, K, Razeti, M, Razeto, A, Reinhold, B, Renshaw, AL, Rescigno, M, Riffard, Q, Romani, A, Rossi, B, Rossi, N, Sablone, D, Sands, W, Sanfilippo, S, Savarese, C, Schlitzer, B, Segreto, E, Semenov, DA, Singh, PN, Skorokhvatov, MD, Smirnov, O, Sotnikov, A, Stanford, C, Suvorov, Y, Tartaglia, R, Testera, G, Tonazzo, A, Trinchese, P, Unzhakov, EV, Verducci, M, Vishneva, A, Vogelaar, B, Wada, M, Walker, S, Wang, H, Wang, Y, Watson, AW, Westerdale, S, Wilhelmi, J, Wojcik, MM, Xiang, X, Xiao, X, Yang, C, Ye, Z, Zhu, C, Zuzel, G, Collaboration, DarkSide. (2017). Simulation of argon response and light detection in the DarkSide-50 dual phase TPC. JOURNAL OF INSTRUMENTATION, 12 (10.1088/1748-0221/12/10/P10015
DOI: doi:10.1088/1748-0221/12/10/P10015
ISSN: 1748-0221
Type of Material: Journal Article
Version: Author's manuscript

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