A Compton imager for in-vivo dosimetry of proton beams—A design study

In-beam SPECT during therapeutic proton beam irradiation is a novel method for three dimensional in-vivo dose verification. For this purpose a Compton camera design is evaluated with respect to the special requirements and conditions that arise from this application. Different concepts are studied b...

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Veröffentlicht in:	Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2011, Vol.626, p.114-119
Hauptverfasser:	Kormoll, T., Fiedler, F., Schöne, S., Wüstemann, J., Zuber, K., Enghardt, W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accelerators Angular resolution Cadmium zinc tellurides Compton imaging Design engineering Dosimetry Hybrid systems Proton and ion radiotherapy Proton beams Semiconductor detectors Semiconductors Simulation Single photon emission computed tomography
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Beschreibung
Zusammenfassung:	In-beam SPECT during therapeutic proton beam irradiation is a novel method for three dimensional in-vivo dose verification. For this purpose a Compton camera design is evaluated with respect to the special requirements and conditions that arise from this application. Different concepts are studied by means of simulation concerning the angular resolution and efficiency. It was found that a cadmium zinc telluride system can perform sufficiently well. For further evaluation the construction of a semiconductor scintillator hybrid system is under way.
ISSN:	0168-9002 1872-9576
DOI:	10.1016/j.nima.2010.10.031