First Dark Matter Search Results from the XENON1T Experiment

E Aprile¹, J Aalbers², F Agostini^{3

4}, M Alfonsi⁵, F D Amaro⁶, M Anthony¹, F Arneodo⁷, P Barrow⁸, L Baudis⁸, B Bauermeister⁹, M L Benabderrahmane⁷, T Berger¹⁰, P A Breur², A Brown², A Brown⁸, E Brown¹⁰, S Bruenner¹¹, G Bruno³, R Budnik¹², L Bütikofer¹³, J Calvén⁹, J M R Cardoso⁶, M Cervantes¹⁴, D Cichon¹¹, D Coderre¹³, A P Colijn², J Conrad⁹, J P Cussonneau¹⁵, M P Decowski², P de Perio¹, P Di Gangi⁴, A Di Giovanni⁷, S Diglio¹⁵, G Eurin¹¹, J Fei¹⁶, A D Ferella⁹, A Fieguth¹⁷, W Fulgione^{3

18}, A Gallo Rosso³, M Galloway⁸, F Gao¹, M Garbini⁴, R Gardner¹⁹, C Geis⁵, L W Goetzke¹, L Grandi¹⁹, Z Greene¹, C Grignon⁵, C Hasterok¹¹, E Hogenbirk², J Howlett¹, R Itay¹², B Kaminsky¹³, S Kazama⁸, G Kessler⁸, A Kish⁸, H Landsman¹², R F Lang¹⁴, D Lellouch¹², L Levinson¹², Q Lin¹, S Lindemann^{11

13}, M Lindner¹¹, F Lombardi¹⁶, J A M Lopes⁶, A Manfredini¹², I Mariş⁷, T Marrodán Undagoitia¹¹, J Masbou¹⁵, F V Massoli⁴, D Masson¹⁴, D Mayani⁸, M Messina¹, K Micheneau¹⁵, A Molinario³, K Morå⁹, M Murra¹⁷, J Naganoma²⁰, K Ni¹⁶, U Oberlack⁵, P Pakarha⁸, B Pelssers⁹, R Persiani¹⁵, F Piastra⁸, J Pienaar¹⁴, V Pizzella¹¹, M-C Piro¹⁰, G Plante¹, N Priel¹², L Rauch¹¹, S Reichard^{8

14}, C Reuter¹⁴, B Riedel¹⁹, A Rizzo¹, S Rosendahl¹⁷, N Rupp¹¹, R Saldanha¹⁹, J M F Dos Santos⁶, G Sartorelli⁴, M Scheibelhut⁵, S Schindler⁵, J Schreiner¹¹, M Schumann¹³, L Scotto Lavina²¹, M Selvi⁴, P Shagin²⁰, E Shockley¹⁹, M Silva⁶, H Simgen¹¹, M V Sivers¹³, A Stein²², S Thapa¹⁹, D Thers¹⁵, A Tiseni², G Trinchero¹⁸, C Tunnell¹⁹, M Vargas¹⁷, N Upole¹⁹, H Wang²², Z Wang³, Y Wei⁸, C Weinheimer¹⁷, J Wulf⁸, J Ye¹⁶, Y Zhang¹, T Zhu¹; XENON Collaboration

Affiliations

¹ Physics Department, Columbia University, New York, New York 10027, USA.
² Nikhef and the University of Amsterdam, Science Park, 1098XG Amsterdam, Netherlands.
³ INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100 L'Aquila, Italy.
⁴ Department of Physics and Astrophysics, University of Bologna and INFN-Bologna, 40126 Bologna, Italy.
⁵ Institut für Physik and Exzellenzcluster PRISMA, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany.
⁶ LIBPhys, Department of Physics, University of Coimbra, 3004-516 Coimbra, Portugal.
⁷ New York University Abu Dhabi, Abu Dhabi, United Arab Emirates.
⁸ Physik-Institut, University of Zurich, 8057 Zurich, Switzerland.
⁹ Oskar Klein Centre, Department of Physics, Stockholm University, AlbaNova, Stockholm SE-10691, Sweden.
¹⁰ Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, Troy, New York 12180, USA.
¹¹ Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany.
¹² Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 7610001, Israel.
¹³ Physikalisches Institut, Universität Freiburg, 79104 Freiburg, Germany.
¹⁴ Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA.
¹⁵ SUBATECH, IMT Atlantique, CNRS/IN2P3, Université de Nantes, Nantes 44307, France.
¹⁶ Department of Physics, University of California, San Diego, California 92093, USA.
¹⁷ Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster, Germany.
¹⁸ INFN-Torino and Osservatorio Astrofisico di Torino, 10125 Torino, Italy.
¹⁹ Department of Physics and Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA.
²⁰ Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA.
²¹ LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris 75252, France.
²² Physics & Astronomy Department, University of California, Los Angeles, California 90095, USA.

PMID: 29219593
DOI: 10.1103/PhysRevLett.119.181301

First Dark Matter Search Results from the XENON1T Experiment

E Aprile et al. Phys Rev Lett. 2017.

. 2017 Nov 3;119(18):181301.

doi: 10.1103/PhysRevLett.119.181301. Epub 2017 Oct 30.

Authors

Affiliations

¹ Physics Department, Columbia University, New York, New York 10027, USA.
² Nikhef and the University of Amsterdam, Science Park, 1098XG Amsterdam, Netherlands.
³ INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100 L'Aquila, Italy.
⁴ Department of Physics and Astrophysics, University of Bologna and INFN-Bologna, 40126 Bologna, Italy.
⁵ Institut für Physik and Exzellenzcluster PRISMA, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany.
⁶ LIBPhys, Department of Physics, University of Coimbra, 3004-516 Coimbra, Portugal.
⁷ New York University Abu Dhabi, Abu Dhabi, United Arab Emirates.
⁸ Physik-Institut, University of Zurich, 8057 Zurich, Switzerland.
⁹ Oskar Klein Centre, Department of Physics, Stockholm University, AlbaNova, Stockholm SE-10691, Sweden.
¹⁰ Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, Troy, New York 12180, USA.
¹¹ Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany.
¹² Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 7610001, Israel.
¹³ Physikalisches Institut, Universität Freiburg, 79104 Freiburg, Germany.
¹⁴ Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA.
¹⁵ SUBATECH, IMT Atlantique, CNRS/IN2P3, Université de Nantes, Nantes 44307, France.
¹⁶ Department of Physics, University of California, San Diego, California 92093, USA.
¹⁷ Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster, Germany.
¹⁸ INFN-Torino and Osservatorio Astrofisico di Torino, 10125 Torino, Italy.
¹⁹ Department of Physics and Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA.
²⁰ Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA.
²¹ LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris 75252, France.
²² Physics & Astronomy Department, University of California, Los Angeles, California 90095, USA.

PMID: 29219593
DOI: 10.1103/PhysRevLett.119.181301

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 background-only hypothesis. We derive the most stringent exclusion limits on the spin-independent WIMP-nucleon interaction cross section for WIMP masses above 10 GeV/c^{2}, with a minimum of 7.7×10^{-47} cm^{2} for 35-GeV/c^{2} WIMPs at 90% C.L.

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First Dark Matter Search Results from the XENON1T Experiment

Affiliations

First Dark Matter Search Results from the XENON1T Experiment

Authors

Affiliations

Abstract

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