First Dark Matter Search Results from the XENON1T Experiment

(XENON Collaboration)

Research output: Contribution to journal › Article

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] keVnr 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×keVee), 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/c2, with a minimum of 7.7×10-47 cm2 for 35-GeV/c2 WIMPs at 90% C.L.

Original languageEnglish (US)
Article number181301
JournalPhysical Review Letters
Volume119
Issue number18
DOIs
StatePublished - Oct 30 2017

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weakly interacting massive particles
dark matter
particle mass
detectors
exclusion
Italy
xenon
liquid phases
chambers
projection
cross sections
profiles
electronics
gases
interactions
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

First Dark Matter Search Results from the XENON1T Experiment. / (XENON Collaboration).

In: Physical Review Letters, Vol. 119, No. 18, 181301, 30.10.2017.

Research output: Contribution to journal › Article

(XENON Collaboration) 2017, 'First Dark Matter Search Results from the XENON1T Experiment', Physical Review Letters, vol. 119, no. 18, 181301. https://doi.org/10.1103/PhysRevLett.119.181301
(XENON Collaboration). First Dark Matter Search Results from the XENON1T Experiment. Physical Review Letters. 2017 Oct 30;119(18). 181301. https://doi.org/10.1103/PhysRevLett.119.181301
(XENON Collaboration). / First Dark Matter Search Results from the XENON1T Experiment. In: Physical Review Letters. 2017 ; Vol. 119, No. 18.
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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] keVnr 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×keVee), 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/c2, with a minimum of 7.7×10-47 cm2 for 35-GeV/c2 WIMPs at 90{\%} C.L.",
author = "{(XENON Collaboration)} and E. Aprile and J. Aalbers and F. Agostini and M. Alfonsi and Amaro, {F. D.} and M. Anthony and Francesco Arneodo and P. Barrow and L. Baudis and B. Bauermeister and {Lotfi Benabderrhmane}, Mohamed and T. Berger and Breur, {P. A.} and A. Brown and A. Brown and E. Brown and S. Bruenner and G. Bruno and R. Budnik and L. B{\"u}tikofer and J. Calv{\'e}n and Cardoso, {J. M.R.} and M. Cervantes and D. Cichon and D. Coderre and Colijn, {A. P.} and J. Conrad and Cussonneau, {J. P.} and Decowski, {M. P.} and {De Perio}, P. and {Di Gangi}, P. and {Di Giovanni}, A. and S. Diglio and G. Eurin and J. Fei and Ferella, {A. D.} and A. Fieguth and W. Fulgione and {Gallo Rosso}, A. and M. Galloway and F. Gao and M. Garbini and R. Gardner and C. Geis and Goetzke, {L. W.} and L. Grandi and Z. Greene and C. Grignon and C. Hasterok and E. Hogenbirk",
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AU - Aprile, E.

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AU - Agostini, F.

AU - Alfonsi, M.

AU - Amaro, F. D.

AU - Anthony, M.

AU - Arneodo, Francesco

AU - Barrow, P.

AU - Baudis, L.

AU - Bauermeister, B.

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AU - Bruno, G.

AU - Budnik, R.

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AU - Calvén, J.

AU - Cardoso, J. M.R.

AU - Cervantes, M.

AU - Cichon, D.

AU - Coderre, D.

AU - Colijn, A. P.

AU - Conrad, J.

AU - Cussonneau, J. P.

AU - Decowski, M. P.

AU - De Perio, P.

AU - Di Gangi, P.

AU - Di Giovanni, A.

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AU - Eurin, G.

AU - Fei, J.

AU - Ferella, A. D.

AU - Fieguth, A.

AU - Fulgione, W.

AU - Gallo Rosso, A.

AU - Galloway, M.

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AU - Garbini, M.

AU - Gardner, R.

AU - Geis, C.

AU - Goetzke, L. W.

AU - Grandi, L.

AU - Greene, Z.

AU - Grignon, C.

AU - Hasterok, C.

AU - Hogenbirk, E.

PY - 2017/10/30

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N2 - 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] keVnr 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×keVee), 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/c2, with a minimum of 7.7×10-47 cm2 for 35-GeV/c2 WIMPs at 90% C.L.

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