Journal
PHYSICAL REVIEW LETTERS
Volume 118, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.118.021303
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Funding
- U.S. Department of Energy (DOE) [DE-AC02-05CH11231, DE-AC05-06OR23100, DE-AC52-07NA27344, DE-FG01-91ER40618, DE-FG02-08ER41549, DE-FG02-11ER41738, DE-FG02-91ER40674, DE-FG02-91ER40688, DE-FG02-95ER40917, DE-NA0000979, DE-SC0006605, DE-SC0010010, DE-SC0015535]
- U.S. National Science Foundation [PHY-0750671, PHY-0801536, PHY-1003660, PHY-1004661, PHY-1102470, PHY-1312561, PHY-1347449, PHY-1505868, PHY-1636738]
- Center for Ultra-low Background Experiments in the Dakotas (CUBED)
- South Dakota School of Mines and Technology (SDSMT)
- Fundacao para a Ciencia e a Tecnologia (FCT) [PTDC/FIS-NUC/1525/2014]
- UK Royal Society [IE120804]
- [RA0350]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1636738] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [1312561] Funding Source: National Science Foundation
- STFC [ST/K001302/1, ST/M003744/1, ST/K003208/1, ST/N000242/1, ST/M006891/1, ST/K006770/1, ST/K001426/1, ST/M503538/1, ST/M003981/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K006770/1 DMUK, ST/K003208/1 DMUK, ST/K006770/1, ST/K001604/1 DMUK, ST/K001302/1, ST/K003208/1 DMUK, 1514692, ST/N000242/1, ST/M003981/1 Lux Zepplin, ST/M503538/1, 1376100, ST/K001426/1, ST/K003208/1, ST/M006891/1, ST/M003981/1, 1225234, ST/M003744/1] Funding Source: researchfish
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We report constraints on spin-independent weakly interacting massive particle (WIMP)-nucleon scattering using a 3.35 x 10(4) kg day exposure of the Large Underground Xenon (LUX) experiment. A dual-phase xenon time projection chamber with 250 kg of active mass is operated at the Sanford Underground Research Facility under Lead, South Dakota (USA). With roughly fourfold improvement in sensitivity for high WIMP masses relative to our previous results, this search yields no evidence of WIMP nuclear recoils. At a WIMP mass of 50 GeV c(-2), WIMP-nucleon spin-independent cross sections above 2.2 x 10-46 cm(2) are excluded at the 90% confidence level. When combined with the previously reported LUX exposure, this exclusion strengthens to 1.1 x 10(-46) cm(2) at 50 GeV c(-2).
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