Bolometers as Particle Spectrometers

A spectrometer based on low-temperature calorimetry has been under development since 1983. The present detector, capable of recording individual alpha and beta particles and X-ray photons, is based on a composite diamond-germanium bolometer. The advantage of a composite bolometer is that it separate...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1986-02, Vol.33 (1), p.759-761
Main Authors: Stroke, H. H., Artzner, G., Coron, N., Dambier, G., Hansen, P. G., Jegoudez, G., Jonson, B., Leblanc, J., Lepeltier, J. P., Nyman, G., Ravn, H. L., Testard, O.
Format: Article
Language:English
Subjects:
Atomic measurements
Beta rays
Bolometers
Extraterrestrial measurements
Neutrino sources
Particle measurements
Physics
Spectroscopy
X-ray detection
X-ray detectors
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Summary:A spectrometer based on low-temperature calorimetry has been under development since 1983. The present detector, capable of recording individual alpha and beta particles and X-ray photons, is based on a composite diamond-germanium bolometer. The advantage of a composite bolometer is that it separates the absorption and detection functions. Diamond, as an absorber, is of particular advantage because of its low heat capacity and high thermal diffusivity. The goal is a theoretical energy resolution of a few eV at 0.1 K. Initial experiments at 1.3 K and 0.9 K, which give resolutions in the keV range, are still noise-limited. High- resolution applications, such as in X-ray astronomy and nuclear physics (in particular, neutron mass measurements) are foreseen. (Author)
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.1986.4337209