First Dark Matter Search Results from the XENON1T Experiment

Aprile, E.; Aalbers, J.; Agostini, F.; Alfonsi, M.; Amaro, F. D.; Anthony, M. T.; Arneodo, F.; Barrow, Peter; Baudis, L.; Bauermeister, B.; Benabderrahmane, M. L.; Berger, Thomas; Breur, P. A.; Brown, A.; Brown, A.; Brown, A.; Bruenner, S.; Bruno, G.; Budnik, R.; Bütikofer, Lukas; Calvén, J.; Cardoso, J. M. R.; Cervantes, M.; Cichon, D.; Coderre, D.; Colijn, A. P.; Conrad, J. M.; Cussonneau, J. P.; Decowski, M. P.; Perio, P. de; Gangi, P. Di; Giovanni, A. Di; Diglio, S.; Eurin, G.; Fei, J.; Ferella, A. D.; Fieguth, A.; Fulgione, W.; Rosso, A. Gallo; Galloway, M.; Gao, F.; Garbini, M.; Gardner, R. W.; Geis, C.; Goetzke, L. W.; Grandi, L.; Greene, Z.; Grignon, C.; Hasterok, C.; Hogenbirk, E.; Howlett, J.; Itay, R.; Kaminsky, B.; Kazama, S.; Kessler, G.; Kish, A.; Landsman, H.; Lang, R. F.; Lellouch, D.; Levinson, L. J.; Lin, Q.; Lindemann, S.; Lindner, M.; Lombardi, F.; Lopes, J. A. M.; Manfredini, A.; Mariş, Ioana Codrina; Undagoitia, T. Marrodán; Masbou, J.; Massoli, Fabio Valerio; Masson, D.; Mayani, D.; Messina, M.; Micheneau, K.; Molinario, A.; Morå, K.; Murra, M.; Naganoma, J.; Ni, K.; Oberlack, U.; Pakarha, P.; Pelssers, B.; Persiani, R.; Piastra, F.; Pienaar, J.; Pizzella, V.; Piro, M.-C.; Plante, G.; Priel, N.; Rauch, L.; Reichard, S.; Reuter, C.; Riedel, Benedikt; Rizzo, A.; Rosendahl, S. S. E.; Rupp, N.; Saldanha, R.; Santos, J.M.F. dos; Sartorelli, G.; Scheibelhut, M.; Schindler, S. M.; Schreiner, J.; Schümann, M.; Lavina, L. Scotto; Selvi, M.; Shagin, P.; Shockley, E.; Silva, M.; Simgen, H.; Sivers, M. v.; Stein, A.; Thapa, Sanjog Adhikari; Thers, D.; Tiseni, A.; Trinchero, G.; Tunnell, C.; Vargas, M.; Upole, N.; Wang, H.; Wang, Zhou; Wei, Y.; Weinheimer, C.; Wulf, J.; J, Ye; Zhang, Y.; Zhu, T.

doi:10.1103/physrevlett.119.181301

articlePhysical Review LettersOct 30, 2017HYBRID OA

First Dark Matter Search Results from the XENON1T Experiment

EAE. Aprile JAJ. Aalbers FAF. Agostini MAM. Alfonsi FDF. D. Amaro

Columbia University · National Institute for Subatomic Physics · +30 more institutions

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Abstract

We report the first dark matter search results from XENON1T, a ∼2000-kg-target-mass dual-phase (liquid-gas) xenon time projection chamber in operation at the Laboratori Nazionali del Gran Sasso in Italy and the first ton-scale detector of this kind. The blinded search used 34.2 live days of data acquired between November 2016 and January 2017. Inside the (1042±12)-kg fiducial mass and in the [5,40] keV_{nr} energy range of interest for weakly interacting massive particle (WIMP) dark matter searches, the electronic recoil background was (1.93±0.25)×10^{-4} events/(kg×day×keV_{ee}), the lowest ever achieved in such a dark matter detector. A profile likelihood analysis shows that the data are consistent with the…

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Keywords

Physics
WIMP
Dark matter
Time projection chamber
Nuclear physics
Weakly interacting massive particles
Particle physics
Xenon

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