Searching for the cosmion by scattering in Si detectors - INSPIRE

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Searching for the cosmion by scattering in Si detectors

David O. Caldwell
(
- UC, Santa Barbara
)
,
B. Magnusson
(
- UC, Santa Barbara
)
,
Michael S. Witherell
(
- UC, Santa Barbara
)
,
A. Da Silva
(
- UC, Berkeley
)
,
B. Sadoulet
(
- UC, Berkeley
)

Jul 31, 1990

14 pages

Published in:

Phys.Rev.Lett. 65 (1990) 1305-1308

DOI:

10.1103/PhysRevLett.65.1305

Report number:

UCSB-HEP-90-10

View in:

reference search107 citations

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Abstract: (APS)

A new particle, the cosmion, has been proposed to be the dark matter of the Universe and to explain the solar ν deficit by cooling the solar core to reduce B8 ν 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.

dark matter
postulated particle: cosmion
search for: cosmion
scattering: cosmion nucleus
cosmion nucleus: scattering
cosmion: coherent interaction
coherent interaction: cosmion
semiconductor detector: silicon
ionization: energy loss
cryogenics

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