The superheated superconducting colloid: A new particle detector

M. Legros; A. Kotlicki; M. J.C. Crooks; B. G. Turrell; A. K. Drukier; D. N. Spergel

doi:10.1016/0168-9002(88)91040-6

The superheated superconducting colloid: A new particle detector

M. Legros, A. Kotlicki, M. J.C. Crooks, B. G. Turrell, A. K. Drukier, D. N. Spergel

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The use of micron sized superconducting grains in the search for "dark matter" is discussed. Cosmions and massive neutrinos could produce count rates up to 10⁶ per kg of active detector per day, and the signal could be differentiated from the background by the modulation produced by the Earth's motion around the Sun. We report a radiation test of a small superheated superconducting colloid in which 90 KeV γ-rays were detected using an rf SQUID. Individual "flips" of 5 μm radius grains were observed with a signal/noise ratio of 10.

Original language	English (US)
Pages (from-to)	229-232
Number of pages	4
Journal	Nuclear Inst. and Methods in Physics Research, A
Volume	263
Issue number	1
DOIs	https://doi.org/10.1016/0168-9002(88)91040-6
State	Published - Jan 1 1988

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Instrumentation

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10.1016/0168-9002(88)91040-6

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AU - Legros, M.

AU - Kotlicki, A.

AU - Crooks, M. J.C.

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AU - Drukier, A. K.

AU - Spergel, D. N.

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AB - The use of micron sized superconducting grains in the search for "dark matter" is discussed. Cosmions and massive neutrinos could produce count rates up to 106 per kg of active detector per day, and the signal could be differentiated from the background by the modulation produced by the Earth's motion around the Sun. We report a radiation test of a small superheated superconducting colloid in which 90 KeV γ-rays were detected using an rf SQUID. Individual "flips" of 5 μm radius grains were observed with a signal/noise ratio of 10.

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The superheated superconducting colloid: A new particle detector

Abstract

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