Results on the spin-dependent scattering of weakly interacting massive particles on nucleons from the Run 3 Data of the LUX Experiment
Journal Article
·
· Physical Review Letters
- Case Western Reserve Univ., Cleveland, OH (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States). et al.
Here, we present experimental constraints on the spin-dependent WIMP (weakly interacting massive particle)-nucleon elastic cross sections from LUX data acquired in 2013. LUX is a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility (Lead, South Dakota), which is designed to observe the recoil signature of galactic WIMPs scattering from xenon nuclei. A profile likelihood ratio analysis of 1.4 × 104 kg day of fiducial exposure allows 90% C.L. upper limits to be set on the WIMP-neutron (WIMP-proton) cross section of σn = 9.4 × 10–41 cm2 (σp = 2.9 × 10–39 cm2) at 33 GeV/c2. The spin-dependent WIMP-neutron limit is the most sensitive constraint to date.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Univ. of California, Santa Barbara, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
- Contributing Organization:
- LUX Collaboration
- Grant/Contract Number:
- AC02-76SF00515; AC52-07NA27344; FG02-08ER41549; FG02-91ER40688; FG02-95ER40917; FG02-91ER40674; NA0000979; FG02-11ER41738; SC0006605; AC02-05CH11231; FG01-91ER40618; SC0011702; RA0350; PTDC/FIS-NUC/1525/2014
- OSTI ID:
- 1257741
- Alternate ID(s):
- OSTI ID: 1248261; OSTI ID: 1379295; OSTI ID: 1602001; OSTI ID: 1869521
- Report Number(s):
- SLAC-PUB-16557; LLNL-JRNL-833845; PRLTAO
- Journal Information:
- Physical Review Letters, Vol. 116, Issue 16; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 114 works
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