A high energy gamma camera using a multiple hole collimator and PSPMT

Guru, S. V.
He, Zhong
Ferreria, J. C.
Wehe, David K.
Knoll, Glenn F.

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Publication date

December 1994

DOI

10.1016/0168-9002(94)91668-3

Publisher

Elsevier BV

ISSN

0168-9002

Citation count (estimate)

Abstract

A high energy gamma camera using a parallel hole tungsten collimator and a 7.62 cm square Position Sensitive Photomultiplier Tube (PSPMT) has been assembled and tested. The measured energy resolution is 12-20% FWHM for 137Cs (662 keV) gamma rays, and 17-23% FWHM for 57Co (122 keV). The measured spatial resolution measured is 2.8-3.2 mm for 122 keV and 3.4-5.3 mm for 662 keV. The variation in the energy and spatial resolution is due to the continuously varying gain across the PSPMT. Measured energy spectra and images obtained are presented.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/31118/1/0000014.pd

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A high energy gamma camera using a multiple hole collimator and PSPMT

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A high energy gamma camera using a multiple hole collimator and PSPMT

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