Characterization of single-sided charge-sharing CZT strip detectors for gamma-ray astronomy

Burçin Dönmez; John R. Macri; James M. Ryan; Jason S. Legere; Mark L. McConnell; Mark Widholm; Tomohiko Narita; Louis-André Hamel

doi:10.1117/12.683695

30 August 2006 Characterization of single-sided charge-sharing CZT strip detectors for gamma-ray astronomy

Burçin Dönmez, John R. Macri, James M. Ryan, Jason S. Legere, Mark L. McConnell, Mark Widholm, Tomohiko Narita, Louis-André Hamel

Author Affiliations +

Proceedings Volume 6319, Hard X-Ray and Gamma-Ray Detector Physics and Penetrating Radiation Systems VIII; 63190A (2006) https://doi.org/10.1117/12.683695
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

We report progress in the study of thick single-sided charge-sharing cadmium zinc telluride (CZT) strip detector modules designed to perform spectroscopy and 3-D imaging of gamma-rays. We report laboratory measurements including spectroscopy, efficiency and 3-D imaging capability of prototype detectors (15 × 15 × 7.5mm³) with 11×11 unit cells. We also report on Monte Carlo simulations (GEANT4 v7.1) to investigate the effect of multihits on detector performance in both spectroscopy and imaging. We compare simulation results with data obtained from laboratory measurements and discuss the implications for future strip detector designs.

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Burçin Dönmez, John R. Macri, James M. Ryan, Jason S. Legere, Mark L. McConnell, Mark Widholm, Tomohiko Narita, and Louis-André Hamel "Characterization of single-sided charge-sharing CZT strip detectors for gamma-ray astronomy", Proc. SPIE 6319, Hard X-Ray and Gamma-Ray Detector Physics and Penetrating Radiation Systems VIII, 63190A (30 August 2006); https://doi.org/10.1117/12.683695

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