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Title: Low-energy calibration of XENON1T with an internal 37 Ar source
Authors: Aprile, E. 
Abe, K.
Agostini, F. 
Ahmed Maouloud, S.
Alfonsi, M. 
Althueser, L.
Andrieu, B.
Angelino, E.
Angevaare, J. R.
Antochi, V. C.
Antón Martin, D.
Arneodo, F. 
Baudis, L. 
Baxter, A. L.
Bellagamba, L.
Biondi, R.
Bismark, A.
Brown, A. 
Bruenner, S. 
Bruno, G. 
Budnik, R. 
Bui, T. K.
Cai, C.
Capelli, C.
Cardoso, J. M. R. 
Cichon, D. 
Colijn, A. P. 
Conrad, J. 
Cuenca-García, J. J.
Cussonneau, J. P. 
D’Andrea, V.
Decowski, M. P. 
DiGangi, P. 
Di Pede, S.
Diglio, S. 
Eitel, K.
Elykov, A.
Farrell, S.
Ferella, A. D. 
Ferrari, C.
Fischer, H.
Fulgione, W. 
Gaemers, P.
Gaior, R.
Gallo Rosso, A. 
Galloway, M. 
Gao, F. 
Glade-Beucke, R.
Grandi, L. 
Grigat, J.
Guida, M.
Hammann, R.
Higuera, A.
Hils, C. 
Hoetzsch, L.
Howlett, J. 
Iacovacci, M.
Itow, Y. 
Jakob, J.
Joerg, F.
Joy, A.
Kato, N.
Kara, M.
Kavrigin, P.
Kazama, S. 
Kobayashi, M.
Koltman, G.
Kopec, A.
Kuger, F.
Landsman, H. 
Lang, R. F. 
Levinson, L.. 
Li, I.
Li, S.
Liang, S.
Lindemann, S. 
Lindner, M. 
Liu, K.
Loizeau, J.
Lombardi, F.
Long, J.
Lopes, J. A. M. 
Ma, Y.
Macolino, C.
Mahlstedt, J.
Mancuso, A.
Manenti, L.
Marignetti, F.
Marrodán Undagoitia, T.
Martens, K.
Masbou, J. 
Masson, D. 
Masson, E.
Mastroianni, S.
Messina, M. 
Miuchi, K.
Mizukoshi, K.
Molinario, A. 
Moriyama, S.
Morå, K .D. 
Mosbacher, Y.
Murra, M. 
Müller, J.
Ni, K. 
Oberlack, U. 
Paetsch, B.
Palacio, J.
Peres, R.
Peters, C.
Pienaar, J. 
Pierre, M.
Pizzella, V. 
Plante, G. 
Qi, J.
Qin, J.
Ramírez García, D.
Reichard, S. 
Rocchetti, A.
Rupp, N. 
Sanchez, L.
Sanchez-Lucas, P.
Santos, Joaquim Marques Ferreira dos 
Sarnoff, I.
Sartorelli, G. 
Schreiner, J. 
Schulte, D.
Schulte, P.
Schulze Eißing, H.
Schumann, M. 
Lavina, L. Scotto 
Selvi, M. 
Semeria, F.
Shagin, P. 
Shi, S.
Shockley, E. 
Silva, M. 
Simgen, H. 
Takeda, A.
Tan, P.-L.
Terliuk, A.
Thers, D. 
Toschi, F.
Trinchero, G. 
Tunnell, C.
Tönnies, F.
Valerius, K. 
Volta, G.
Weinheimer, C. 
Weiss, M.
Wenz, D.
Wittweg, C.
Wolf, T.
Xu, D.
Xu, Z. R. 
Yamashita, M. 
Yang, L.
Ye, J. 
Yuan, L.
Zavattini, G.
Zerbo, S.
Zhong, M.
Zhu, T.
Geppert, C.
Riemer, J.
Issue Date: 2023
Publisher: Institute for Ionics
Serial title, monograph or event: European Physical Journal C
Volume: 83
Issue: 6
Abstract: A low-energy electronic recoil calibration of XENON1T, a dual-phase xenon time projection chamber, with an internal 37Ar source was performed. This calibration source features a 35-day half-life and provides two monoenergetic lines at 2.82 keV and 0.27 keV. The photon yield and electron yield at 2.82 keVare measured to be (32.3±0.3) photons/keV and (40.6 ± 0.5) electrons/keV, respectively, in agreement with other measurements and with NEST predictions. The electron yield at 0.27 keVis alsomeasured and it is (68.0+6.3 −3.7) electrons/keV. The 37Ar calibration confirms that the detector is well-understood in the energy region close to the detection threshold, with the 2.82 keV line reconstructed at (2.83 ± 0.02) keV, which further validates the model used to interpret the low-energy electronic recoil excess previously reported by XENON1T. The ability to efficiently remove argon with cryogenic distillation after the calibration proves that 37Ar can be considered as a regular calibration source for multi-tonne xenon detectors.
ISSN: 1434-6052
DOI: 10.1140/epjc/s10052-023-11512-z
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais
LIBPhys - Artigos em Revistas Internacionais

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