Thermal Detectors for High Resolution Spectroscopy

Cryogenic microcalorimeters can be made sensitive enough to measure the energy deposited by a single particle or X-ray photon with an accuracy of about one electron volt. It may also be possible to construct detectors of several kilograms mass whose resolution is only a few times worse than this. Da...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1986-02, Vol.33 (1), p.235-239
Main Authors: McCammon, D., Juda, M., Zhang, J., Kelley, R. L., Moseley, S. H., Szymkowiak, A. E.
Format: Article
Language:English
Subjects:
Cryogenics
Energy resolution
Extraterrestrial measurements
Fluctuations
Image resolution
Instrumentation And Photography
Neutrino sources
Spectroscopy
Thermal conductivity
X-ray detection
X-ray detectors
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Summary:Cryogenic microcalorimeters can be made sensitive enough to measure the energy deposited by a single particle or X-ray photon with an accuracy of about one electron volt. It may also be possible to construct detectors of several kilograms mass whose resolution is only a few times worse than this. Data from relatively crude test devices are in good agreement with thermal performance calculations, and a total system noise of 11 eV FWHM has been obtained for a silicon detector operating at 98 mK. We have observed 35 eV FWHM for 6 keV X-rays with a different device.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.1986.4337089