2006
DOI: 10.1016/j.nima.2006.01.074
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Charge sharing on monolithic CdZnTe gamma-ray detectors: A simulation study

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Cited by 19 publications
(10 citation statements)
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“…It may also be due to the creation of secondary photons due to K-shell fluorescence or Compton scattering, which carry a fraction of the energy of incident photons outside the pixel where the interaction took place. Since the mean free path of fluorescence photons is much smaller than the pixel size [8,9], we can consider that the charges are shared between two adjacent pixels only. Assuming that all charges are properly collected by the two neighboring pixels, the incident photon energy is obtained by summing the amplitude of the two pulses.…”
Section: A Charge Sharing Correction Methodsmentioning
confidence: 99%
“…It may also be due to the creation of secondary photons due to K-shell fluorescence or Compton scattering, which carry a fraction of the energy of incident photons outside the pixel where the interaction took place. Since the mean free path of fluorescence photons is much smaller than the pixel size [8,9], we can consider that the charges are shared between two adjacent pixels only. Assuming that all charges are properly collected by the two neighboring pixels, the incident photon energy is obtained by summing the amplitude of the two pulses.…”
Section: A Charge Sharing Correction Methodsmentioning
confidence: 99%
“…It may also be due to the creation of secondary photons due to K-shell fluorescence or Compton scattering, which carry a fraction of the energy of incident photons outside the pixel where the interaction took place. Since the mean free path of fluorescence photons is much smaller than the pixel size [13], [14], we can consider that the charges are shared between two adjacent pixels only. Assuming that all charges are properly collected by the two neighboring pixels, the incident photon energy is obtained by summing the amplitude of the two pulses.…”
Section: Charge Sharingmentioning
confidence: 99%
“…20 The development of a semiconductor based photon counting detector for breast CT is very challenging with a number of factors contributing to the degradation of image quality including characteristic x-rays, 21 trapping, and spreading of charge as it propagates to the detector elements, [22][23][24][25] pulsepileup, 26,27 and inhomogeneity in response between detector elements among others. Of these factors, the degradation of characteristic x-rays is an inherent phenomena in cadmium zinc telluride (CZT) that will always be present and cannot be reduced regardless of detector operating parameters (e.g., charge sharing can be reduced with increased bias voltage, pulse pileup can be reduced by lower the input flux etc.).…”
Section: Introductionmentioning
confidence: 99%