NDLI: Low-cost High-resolution 3rd Generation PMT-Quadrant-Sharing BGO Block Detectors for Human and Animal PET

Content Provider	IEEE Xplore Digital Library
Author	Shitao Liu Soonseok Kim Hongdi Li Ramirez, R.A. Jiguo Liu Yu Wang Yuxuan Zhang Baghaei, H. Wai-Hoi Wong
Copyright Year	2006
Description	Author affiliation: Dept. of Exp. Diagnostic Imaging, Texas Univ., Houston, TX (Shitao Liu; Soonseok Kim; Hongdi Li; Ramirez, R.A.; Jiguo Liu; Yu Wang; Yuxuan Zhang; Baghaei, H.; Wai-Hoi Wong)
Abstract	The objective of this work is to develop two 3rd generation PMT-quadrant-sharing (PQS) position-sensitive block detectors for animal PET and human PET. These very low-cost PQS block detectors could achieve very high decoding resolution of 1.82 (3.56) mm BGO crystals with Phi19 (39) mm size regular circular PMT. The first block detector was a 10 times 10 array built with 1.82 times 1.82 times 10 $mm^{3}$ BGO crystals for animal PET systems; the second block detector was a 11 times 11 array built with 3.56 times 3.56 times 20 $mm^{3}$ size BGO crystal for human PET systems. A very high crystal-decoding ratio of 100 BGO crystals per PMT was achieved for animal PET, and 121 BGO crystals per PMT was achieved for human PET. The packing fractions of these two blocks were 91% and 95%. List mode data of these detectors were acquired with Ga-68 source. Crystal-decoding maps and individual crystal spectra of the detectors were obtained from the data. All the crystals in both blocks are clearly identified. The pulse heights of all crystals in the 10 times 10 array range between 79% and 100% and those in the 11 times 11 array vary from 81% to 100%. The energy resolutions of all crystals were measured to be between 15.5 and 16.9% (average 16.1%) for the 10 times 10 array and 14.9 and 16.3% (average 15.4%) for the 11 times 11 array. Based on these detectors, low-cost very high-resolution human and animal PET systems with high sensitivity could be developed in the future.
Starting Page	1900
Ending Page	1903
File Size	1181182
Page Count	4
File Format	PDF
ISBN	1424405602
ISSN	10957863
DOI	10.1109/NSSMIC.2006.354265
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Humans Animals Positron emission tomography Crystals Decoding Optical films Cameras Whole-body PET Paramagnetic resonance
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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