Results and Status of the Picasso Experiment

Details Results and Status of the Picasso Experiment Results and Status of the Picasso Experiment

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006apsp.conf..253a&link_type=abstract

ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS . Proceedings of the 9th Conference . Held

Physics

Medical Physics

Scientific paper

The PICASSO (Project In Canada to Search for SuperSymetric Object) experiment is searching for cold dark matter (CDM) through the direct detection of weakly interacting massive particles (WIMPs), in particular neutralinos (χ) via their spin-dependent interactions with nuclei. The experiment is taking data in the Sudbury Neutrino Observatory Laboratory at a depth of 2070 m (6000 mwe). PICASSO uses a liquid fluorocarbon, C4F10 as the active material and searches for WIMP interactions on 19F. Measured limits on the spin-dependent χ-proton and χ-neutron cross sections are presented and compared with results from other experiments. Excluded regions in the plane of the effective χ-proton and χ-neutron coupling strengths ap and an are also reported. The next phases of PICASSO are presented. They will involve detectors of larger volume and increased active mass with higher sensitivity in the spin-dependent sector.

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