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Results from the first science run of the ZEPLIN-III dark matter search experiment
- Source :
- Physical Review D, Physical Review D, 2009, 80, pp.052010. ⟨10.1103/PhysRevD.80.052010⟩, Physical Review D, American Physical Society, 2009, 80, pp.052010. ⟨10.1103/PhysRevD.80.052010⟩
- Publication Year :
- 2008
- Publisher :
- American Physical Society, 2008.
-
Abstract
- The ZEPLIN-III experiment in the Palmer Underground Laboratory at Boulby uses a 12kg two-phase xenon time projection chamber to search for the weakly interacting massive particles (WIMPs) that may account for the dark matter of our Galaxy. The detector measures both scintillation and ionisation produced by radiation interacting in the liquid to differentiate between the nuclear recoils expected from WIMPs and the electron recoil background signals down to ~10keV nuclear recoil energy. An analysis of 847kg.days of data acquired between February 27th 2008 and May 20th 2008 has excluded a WIMP-nucleon elastic scattering spin-independent cross-section above 8.1x10(-8)pb at 55GeV/c2 with a 90% confidence limit. It has also demonstrated that the two-phase xenon technique is capable of better discrimination between electron and nuclear recoils at low-energy than previously achieved by other xenon-based experiments.<br />12 pages, 17 figures
- Subjects :
- Nuclear and High Energy Physics
Large Underground Xenon experiment
ZEPLIN-III
Physics::Instrumentation and Detectors
Dark matter
FOS: Physical sciences
chemistry.chemical_element
Astronomy & Astrophysics
SCINTILLATION EFFICIENCY
Astrophysics
7. Clean energy
01 natural sciences
Particle detector
Nuclear physics
Xenon
NUCLEAR RECOIL
SIGNALS
0103 physical sciences
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
LOW-ENERGY
010306 general physics
Nuclear Experiment
DETECTOR
Physics
Time projection chamber
Science & Technology
010308 nuclear & particles physics
2-PHASE XENON
Astrophysics (astro-ph)
PHYSICS, PARTICLES & FIELDS
LIQUID XENON
PERFORMANCE
chemistry
Weakly interacting massive particles
Physical Sciences
ArDM
Subjects
Details
- Language :
- English
- ISSN :
- 15507998 and 15502368
- Database :
- OpenAIRE
- Journal :
- Physical Review D, Physical Review D, 2009, 80, pp.052010. ⟨10.1103/PhysRevD.80.052010⟩, Physical Review D, American Physical Society, 2009, 80, pp.052010. ⟨10.1103/PhysRevD.80.052010⟩
- Accession number :
- edsair.doi.dedup.....ed980c336ef2d0b9109992c02c8d005d