High resolution gamma-ray spectroscopy with high-Z thermal detectors

Details High resolution gamma-ray spectroscopy with high-Z thermal detectors High resolution gamma-ray spectroscopy with high-Z thermal detectors

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992spie.1734..177a&link_type=abstract

In: Gamma-ray detectors; Proceedings of the Meeting, San Diego, CA, July 21, 22, 1992 (A93-30101 11-35), p. 177-186.

Computer Science

Performance

Dioxides, Gamma Ray Spectra, Heat Measurement, Radioactive Decay, Tellurium Isotopes, Bolometers, High Resolution, Solid State Devices

Scientific paper

A massive thermal detector consisting of a 73 g TeO2 crystal, to be used to search for double beta decay of Te-130 and to detect high energy gamma-rays, is operating at aprox. 15 mK in the Gran Sasso Underground Laboratory. The FWHM resolution achieved with this detector is 5-8 KeV, slightly dependent on energy from 100 KeV to 3 MeV, showing the competitive performances of this detector in gamma-ray spectroscopy comparable with those of conventional Ge solid state detectors. Moreover this is the first massive high-resolution gamma-ray detector of atomic number larger than 32, which implies a peak to Compton ratio comparable to that of a Ge diode of a mass larger by an order of magnitude.

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