Journal
PHYSICAL REVIEW LETTERS
Volume 122, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.122.141301
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Funding
- National Science Foundation
- Swiss National Science Foundation
- German Ministry for Education and Research
- Max Planck Gesellschaft
- Deutsche Forschungsgemeinschaft
- Netherlands Organisation for Scientific Research (NWO)
- Netherlands eScience Center (NLeSC)
- SURF Cooperative
- Weizmann Institute of Science
- Israeli Centers Of Research Excellence (I-CORE)
- Initial Training Network Invisibles (Marie Curie Actions) [PITNGA-2011-289442]
- Fundacao para a Ciencia e a Tecnologia
- Knut and Alice Wallenberg Foundation
- Kavli Foundation
- Istituto Nazionale di Fisica Nucleare
- Laboratori Nazionali del Gran Sasso
- Region des Pays de la Loire
- Pazy-Vatat
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We report the first experimental results on spin-dependent elastic weakly interacting massive particle (WIMP) nucleon scattering from the XENON1T dark matter search experiment. The analysis uses the full ton year exposure of XENON1T to constrain the spin-dependent proton-only and neutron-only cases. No significant signal excess is observed, and a profile likelihood ratio analysis is used to set exclusion limits on the WIMP-nucleon interactions. This includes the most stringent constraint to date on the WIMP-neutron cross section, with a minimum of 6.3 x 10(-42) cm(2) at 30 GeV/c(2) and 90% confidence level. The results are compared with those from collider searches and used to exclude new parameter space in an isoscalar theory with an axial-vector mediator.
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