Physics – Instrumentation and Detectors
Scientific paper
2011-01-13
Physics
Instrumentation and Detectors
Presented at 2010 IEEE NSS/MIC Conference, Knoxville, Tennessee, USA, October 30 - November 6, 2010
Scientific paper
A mini-PET style detector system is being developed for a plant imaging application with a compact array of silicon photomultipliers (SiPM) replacing position sensitive photomultipliers (PSPMT). In addition to compactness, the use of SiPMs will allow imaging setups involving high strength MRI-type magnetic fields. The latter will allow for better position resolution of the initial positron annihilations in the plant tissue. In the present work, prototype arrays are tested for the uniformity of their response as it is known that PSPMTs require significant gain compensation on the individual channels to achieve an improved uniformity in response. The initial tests indicate a high likelihood that the SiPM arrays can be used without any gain compensation.
Barbosa Fausto
Crowell A. S.
Dong Hui
Howell Rafael C.
Kross B.
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