NDLI: Position and energy resolution of a new gamma-ray detector based on a single CsI(Tl) scintillator coupled to a silicon drift chamber array

Content Provider	IEEE Xplore Digital Library
Author	Fiorini, C. Longoni, A. Boschini, L. Perotti, F. Labanti, C. Rossi, E. Lechner, P. Struder, L.
Copyright Year	1999
Description	Author affiliation: Dipt. di Elettronica e Inf., Politecnico di Milano, Italy (Fiorini, C.)
Abstract	We have developed a first prototype of gamma-ray detector for imaging and spectroscopy which is based on a single CsI(Tl) scintillator coupled to a linear array of silicon drift chambers (SDCs). The detector performs the measurement of the position of interaction in one coordinate, by the centroid method, and the measurement of the /spl gamma/ photon energy, by summing the signals of all the single units. The small size and the compactness of the CsI(Tl)-SDC assembly make this detector scheme an interesting solution for the realization of small scintillation cameras for nuclear medicine. Moreover, the low electronics noise offered by the SDC allows to reach good performances in both position and energy resolution. The first experimental results obtained on the prototype are reported in this work. A position resolution better than 1 mm FWHM and an energy resolution of about 16% FWHM at 122 keV have been measured. A comparison of the experimental results with the results of Monte Carlo simulations is also reported.
Starting Page	796
Ending Page	802
File Size	614060
Page Count	7
File Format	PDF
ISBN	0780350219
ISSN	10823654
DOI	10.1109/NSSMIC.1998.774293
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-11-08
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy resolution Gamma ray detectors Energy measurement Position measurement Prototypes Coordinate measuring machines Optical imaging Spectroscopy Sensor arrays Silicon
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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