Bolometers as particle spectrometers

Details Bolometers as particle spectrometers Bolometers as particle spectrometers

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986itns...33..759s&link_type=abstract

(IEEE, DOE, NASA, et al., 1985 Nuclear Science Symposium, 32nd, and 1985 Symposium on Nuclear Power Systems, 17th, San Francisco

Statistics

Applications

16

Bolometers, Neutrinos, Radiation Counters, Spectrometers, Diamonds, Germanium, Radioactive Decay

Scientific paper

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.

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