A study of intrinsic crystal-pixel light-output spread for discrete scintillation gamma-ray imagers modeling (Contributo in atti di convegno)

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  • A study of intrinsic crystal-pixel light-output spread for discrete scintillation gamma-ray imagers modeling (Contributo in atti di convegno) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/NSSMIC.2002.1239641 (literal)
Alternative label
  • Scafe, R. ; Pellegrini, R. ; Soluri, A. ; Tati, A. ; Cinti, M.N. ; Cusanno, F. ; Trotta, G. ; Pani, R. ; Garibaldi, F. (2002)
    A study of intrinsic crystal-pixel light-output spread for discrete scintillation gamma-ray imagers modeling
    in Nuclear Science Symposium Conference Record, 2002 IEEE, Norfolk, VA, USA, 10-16 Nov. 2002
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Scafe, R. ; Pellegrini, R. ; Soluri, A. ; Tati, A. ; Cinti, M.N. ; Cusanno, F. ; Trotta, G. ; Pani, R. ; Garibaldi, F. (literal)
Pagina inizio
  • 1652 (literal)
Pagina fine
  • 1655 (literal)
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  • Nuclear Science Symposium Conference Record, 2002 IEEE (Volume:3 ) (literal)
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  • 3 (literal)
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  • 3 (literal)
Rivista
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  • 4 (literal)
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  • 1-4 are with the Italian National Council for New Technologies, Energy and the Environment (ENEA), C.R. Casaccia, I-00060 S.Maria di Galeria (Roma), Italy 2-5 7-8 are with the Department of Experimental Medicine, University of Rome \"La Sapienza\", Roma, Italy. 3 is with the Institute of Biomedical Technologies, National Research Council (CNR), Roma, Italy. 6-9 are with the Laboratory of Physics, Italian National Institute of Health (ISS), Roma, Italy. (literal)
Titolo
  • A study of intrinsic crystal-pixel light-output spread for discrete scintillation gamma-ray imagers modeling (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 0-7803-7636-6 (literal)
Abstract
  • This paper is focused on discrete scintillation imaging devices, made by using crystal arrays and metal-channel dynode Hamamatsu 1\" and 2\" square position sensitive photomultiplier tubes (PSPMT). These devices are particularly suitable for nuclear medicine based high-resolution Single Photon Emission Computed Tomography (SPECT) applications. A more adequate analytical model describing the light-output spread from a single crystal-pixel, was studied. Previously experimental data published by us were reviewed using this model. The parameter which describes the intrinsic pixel light-output spread was obtained using a 1D model-version, that adequately fits the measured single-event charge-strip integrals. Furthermore the intrinsic spread was found linearly dependent, in the examined experiments, on a crystal-pixel shape factor (defined as the ratio between the pixel-blind-surface-area to the pixel-volume). Finally, a simulation tool was developed on these basis, to predict and to optimize the imager response by evaluating the impact of each device component on the response. (literal)
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