First Dark Matter Search Results from the XENON1T Experiment

(XENON Collaboration)

    Research output: Contribution to journalArticle

    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

    Fingerprint

    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 journalArticle

    (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.",
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    AU - Aalbers, J.

    AU - Agostini, F.

    AU - Alfonsi, M.

    AU - Amaro, F. D.

    AU - Anthony, M.

    AU - Arneodo, Francesco

    AU - Barrow, P.

    AU - Baudis, L.

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    AU - Conrad, J.

    AU - Cussonneau, J. P.

    AU - Decowski, M. P.

    AU - De Perio, P.

    AU - Di Gangi, P.

    AU - Di Giovanni, A.

    AU - Diglio, S.

    AU - Eurin, G.

    AU - Fei, J.

    AU - Ferella, A. D.

    AU - Fieguth, A.

    AU - Fulgione, W.

    AU - Gallo Rosso, A.

    AU - Galloway, M.

    AU - Gao, F.

    AU - Garbini, M.

    AU - Gardner, R.

    AU - Geis, C.

    AU - Goetzke, L. W.

    AU - Grandi, L.

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    AU - Grignon, C.

    AU - Hasterok, C.

    AU - Hogenbirk, E.

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    AB - 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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