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An educational tool for demonstrating the TOF-PET technique
KTH, Superseded Departments, Physics.ORCID iD: 0000-0003-1996-0805
KTH, Superseded Departments, Physics.
KTH, Superseded Departments, Physics.ORCID iD: 0000-0003-1771-2656
KTH, Superseded Departments, Physics.
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2001 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, Vol. 471, no 1-2, 200-204 p.Article in journal (Refereed) Published
Abstract [en]

A detector system for positron emission tomography with time-of-flight capability has been built to serve as an educational tool for undergraduate students. The set-up consists of 48 BaF2 scintillator crystals, each coupled to a fast photo-multiplier tube, mounted in a circular geometry. The analogue detector pulses are handled by fast constant fraction discriminators. A dedicated unit reduces the 48 channels to eight channels via delay-fine encoding, and the signals are then fed to an eight channel fast time-to-digital converter. A VME processor sorts the events and sends them to a workstation where the coincident events are extracted. The time resolution of the detectors together with fast VME based electronics allows for time-of-flight measurements to improve on the signal-to-noise ratio in the, reconstructed images. The system can be used for different types of exercises for the students, varying from the fundamentals of scintillator detectors to advanced image reconstruction. The set-up is described and some results are presented. (C) 2001 Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
AMERICAN PHYSICAL SOC , 2001. Vol. 471, no 1-2, 200-204 p.
Keyword [en]
PET, TOF-PET, medical imaging
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-13005DOI: 10.1016/S0168-9002(01)00965-2ISI: 000171206500039OAI: oai:DiVA.org:kth-13005DiVA: diva2:320098
Note
QC 20100521Available from: 2010-05-21 Created: 2010-05-21 Last updated: 2010-05-21Bibliographically approved
In thesis
1. Spectroscopy of neutron deficient nuclei in the A=90 and A=170 mass regions
Open this publication in new window or tab >>Spectroscopy of neutron deficient nuclei in the A=90 and A=170 mass regions
2002 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2002. x, 86 p.
Series
Trita-FYS, ISSN 0280-316X ; 2002:44
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-3449 (URN)91-7283-389-0 (ISBN)
Public defence
2002-12-12, 00:00 (English)
Note
QC 20100521Available from: 2002-12-06 Created: 2002-12-06 Last updated: 2010-05-21Bibliographically approved

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Bäck, TorbjörnCederwall, Bo

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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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