Searching for the cosmion by scattering in SI detectors

Details Searching for the cosmion by scattering in SI detectors Searching for the cosmion by scattering in SI detectors

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvl..65.1305c&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 65, Sept. 10, 1990, p. 1305-1308. Research supported by CEA.

Physics

66

Dark Matter, Scattering, Silicon Radiation Detectors, Elementary Particles, Nuclear Interactions, Solar Neutrinos, Star Clusters

Scientific paper

A new particle, the cosmion, has been proposed to be the dark matter of the universe and to explain the solar nu deficit by cooling the solar core to reduce B-8 nu production. Such cosmions in the galactic halo would scatter from nuclei in terrestrial detectors. Measurements were made in Si ionization detectors in a very-low-background environment down to energies of 1.1 keV. These results exclude nearly all of the mass range possible for cosmions with coherent nuclear interactions.

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