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

Angelo Alessandrello; Chiara Brofferio; David V. Camin; Oliviero Cremonesi; Ettore Fiorini; G. Gervasio; Andrea Giuliani; Maura Pavan; Gianluigi Pessina; Ezio Previtali; Luca Zanotti

doi:10.1117/12.138587

22 December 1992 High resolution gamma-ray spectroscopy with high-Z thermal detectors

Angelo Alessandrello, Chiara Brofferio, David V. Camin, Oliviero Cremonesi, Ettore Fiorini, G. Gervasio, Andrea Giuliani, Maura Pavan, Gianluigi Pessina, Ezio Previtali, Luca Zanotti

Author Affiliations +

Proceedings Volume 1734, Gamma-Ray Detectors; (1992) https://doi.org/10.1117/12.138587
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

A massive thermal detector consisting of a 73 g TeO₂ crystal, to be used to search for double beta decay of ¹³⁰Te 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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Angelo Alessandrello, Chiara Brofferio, David V. Camin, Oliviero Cremonesi, Ettore Fiorini, G. Gervasio, Andrea Giuliani, Maura Pavan, Gianluigi Pessina, Ezio Previtali, and Luca Zanotti "High resolution gamma-ray spectroscopy with high-Z thermal detectors", Proc. SPIE 1734, Gamma-Ray Detectors, (22 December 1992); https://doi.org/10.1117/12.138587

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