First Dark Matter Search Results from the XENON1T Experiment

被引:678
|
作者
Aprile, E. [1 ]
Aalbers, J. [2 ,3 ]
Agostini, F. [4 ,5 ,6 ,7 ]
Alfonsi, M. [8 ]
Amaro, F. D. [9 ]
Anthony, M. [1 ]
Arneodo, F. [10 ]
Barrow, P. [11 ]
Baudis, L. [11 ]
Bauermeister, B. [12 ]
Benabderrahmane, M. L. [10 ]
Berger, T. [13 ]
Breur, P. A. [2 ,3 ]
Brown, A. [2 ,3 ,11 ]
Brown, A. [2 ,3 ,11 ]
Brown, E. [13 ]
Bruenner, S. [14 ]
Bruno, G. [4 ,5 ]
Budnik, R. [15 ]
Buetikofer, L. [16 ,28 ]
Calven, J. [12 ]
Cardoso, J. M. R. [9 ]
Cervantes, M. [17 ]
Cichon, D. [14 ]
Coderre, D. [16 ]
Colijn, A. P. [2 ,3 ]
Conrad, J. [12 ]
Cussonneau, J. P. [18 ]
Decowski, M. P. [2 ,3 ]
de Perio, P. [1 ]
Di Gangi, P. [6 ,7 ]
Di Giovanni, A. [10 ]
Diglio, S. [18 ]
Eurin, G. [14 ]
Fei, J. [19 ]
Ferella, A. D. [12 ]
Fieguth, A. [20 ]
Fulgione, W. [4 ,5 ,21 ,22 ]
Rosso, A. Gallo [4 ,5 ]
Galloway, M. [11 ]
Gao, F. [1 ]
Garbini, M. [6 ,7 ]
Gardner, R. [23 ,24 ]
Geis, C. [8 ]
Goetzke, L. W. [1 ]
Grandi, L. [23 ,24 ]
Greene, Z. [1 ]
Grignon, C.
Hasterok, C. [14 ]
Hogenbirk, E. [2 ,3 ]
机构
[1] Columbia Univ, Dept Phys, New York, NY 10027 USA
[2] Nikhef, Sci Pk, NL-1098XG Amsterdam, Netherlands
[3] Univ Amsterdam, Sci Pk, NL-1098XG Amsterdam, Netherlands
[4] INFN, Lab Nazl Gran Sasso, I-67100 Laquila, Italy
[5] Gran Sasso Sci Inst, I-67100 Laquila, Italy
[6] Univ Bologna, Dept Phys & Astrophys, I-40126 Bologna, Italy
[7] INFN Bologna, I-40126 Bologna, Italy
[8] Johannes Gutenberg Univ Mainz, Inst Phys & Exzellenzcluster PRISMA, D-55099 Mainz, Germany
[9] Univ Coimbra, Dept Phys, LIBPhys, P-3004516 Coimbra, Portugal
[10] New York Univ Abu Dhabi, Abu Dhabi, U Arab Emirates
[11] Univ Zurich, Phys Inst, CH-8057 Zurich, Switzerland
[12] Stockholm Univ, AlbaNova, Dept Phys, Oskar Klein Ctr, S-10691 Stockholm, Sweden
[13] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA
[14] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[15] Weizmann Inst Sci, Dept Particle Phys & Astrophys, IL-7610001 Rehovot, Israel
[16] Univ Freiburg, Phys Inst, D-79104 Freiburg, Germany
[17] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA
[18] Univ Nantes, CNRS, IN2P3, SUBATECH,IMT Atlantique, F-44307 Nantes, France
[19] Univ Calif San Diego, Dept Phys, San Diego, CA 92093 USA
[20] Westfalische Wilhelms Univ Munster, Inst Kernphys, D-48149 Munster, Germany
[21] INFN Torino, I-10125 Turin, Italy
[22] Osserv Astron Torino, I-10125 Turin, Italy
[23] Univ Chicago, Dept Phys, Chicago, IL 60637 USA
[24] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA
[25] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA
[26] Univ Paris 06, Univ Paris Diderot, CNRS, IN2P3,LPNHE, F-75252 Paris, France
[27] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
[28] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland
[29] Coimbra Engn Inst, Coimbra, Portugal
基金
美国国家科学基金会; 瑞士国家科学基金会;
关键词
KRYPTON;
D O I
10.1103/PhysRevLett.119.181301
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report the first dark matter search results from XENON1T, a similar to 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) x 10(-4) events/(kg x day x 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 x 10(-47) cm(2) for 35-GeV/c(2) WIMPs at 90% C.L.
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页数:6
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