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Performance comparison of high quantum efficiency and normal quantum efficiency photomultiplier tubes and position sensitive photomultiplier tubes for high resolution PET and SPECT detectors
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10.1118/1.4760991
/content/aapm/journal/medphys/39/11/10.1118/1.4760991
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/11/10.1118/1.4760991

Figures

Image of FIG. 1.
FIG. 1.

Schematic drawing of energy resolution measurements using PMT.

Image of FIG. 2.
FIG. 2.

LGSO blocks used for performance measurements: Block-A (left) and Block-B (right).

Image of FIG. 3.
FIG. 3.

QEs (a) and ratio of HQE to NQE (b) of 3–in. PMTs used for measurements.

Image of FIG. 4.
FIG. 4.

QEs (a) and ratio of HQE to NQE (b) of PSPMTs used for measurements.

Image of FIG. 5.
FIG. 5.

Two-dimestional distributions of LGSO Block-A for Co-57 gamma photons with NQE (a) and HQE PSPMT (b).

Image of FIG. 6.
FIG. 6.

Two-dimensional distributions of LGSO Block-A for Cs-137 gamma photons: NQE (a) and HQE PSPMT (b).

Image of FIG. 7.
FIG. 7.

Two-dimensional distributions of 19 × 13 LGSO block for Cs-137 gamma photons with NQE (a) and HQE PSPMT (b).

Tables

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TABLE I.

Scintillators sizes and their major properties used for energy resolution measurements.

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TABLE II.

Specifications of Hamamatsu Photonics R6233 and R6233-100 HA.

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TABLE III.

Sizes and matrix of LGSO blocks used for performance comparison.

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TABLE IV.

Specifications of NQE and HQE PSPMTs.

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TABLE V.

Energy resolution for Co-57 gamma photons with NQE and HQE PMT.

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TABLE VI.

Comparison of square of energy resolution (ER) ratios; (ER-NQE/ER-HQE)2.

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TABLE VII.

Energy resolution for Cs-137 gamma photons with NQE and HQE PMT.

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TABLE VIII.

Comparison of square of energy resolution (ER) ratios; (ER-NQE/ER-HQE)2 for Cs-137 gamma photons.

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TABLE IX.

Averaged P/Vs for two-dimensional distributions of LGSO Block-A for Co57 gamma photons.

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TABLE X.

Averaged P/Vs for two-dimensional distributions of Block-A with Cs-137 gamma photons.

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TABLE XI.

Averaged P/Vs for two-dimensional distributions of Block-A with Cs-137 gamma photons.

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TABLE XII.

Comparison of energy resolution for LGSO blocks.

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TABLE XIII.

Square of energy resolution ratios: (ER-NQE/ER-HQE)2 for LGSO blocks.

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/content/aapm/journal/medphys/39/11/10.1118/1.4760991
2012-10-25
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Performance comparison of high quantum efficiency and normal quantum efficiency photomultiplier tubes and position sensitive photomultiplier tubes for high resolution PET and SPECT detectors
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/11/10.1118/1.4760991
10.1118/1.4760991
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