First performance results of Ce:GAGG scintillation crystals with silicon photomultipliers

Jung Yeol Yeom; Seiichi Yamamoto; Stephen E. Derenzo; Virginia Ch Spanoudaki; Kei Kamada; Takanori Endo; Craig S. Levin

doi:10.1109/TNS.2012.2233497

First performance results of Ce:GAGG scintillation crystals with silicon photomultipliers

Jung Yeol Yeom, Seiichi Yamamoto, Stephen E. Derenzo, Virginia Ch Spanoudaki, Kei Kamada, Takanori Endo, Craig S. Levin

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

93 Citations (Scopus)

Abstract

A new single-crystal Cerium doped Gd₃Al₂Ga ₃O₁₂ (GAGG) scintillation crystal with high luminosity, high density and relatively fast decay time has successfully been grown. We report on the first performance results of the new GAGG scintillation crystal read out with silicon photomultipliers (SiPM) from Hamamatsu (MPPC) and FBK. The best energy resolution (511 keV peak of Ge-68) of 7.9% was attained with GAGG coupled to MPPC and 9.0% with the FBK SiPM after correcting for non-linearity. On the other hand, the best coincidence resolving time (FWHM) of polished 3× 3 × 5mm³ and 3× 3 × 20mm³ crystals were 464±12ps and 577±22 ps for GAGG crystals compared to 179±8 ps and 214±6 ps for LYSO crystals respectively with MPPCs. The rise time of GAGG was measured to be 200 ps (75%) and 6 ns (25%) while the decay time was 140 ns (92%), 500 ns (7.7%) 6000 ns (0.3%).

Original language	English
Article number	67
Pages (from-to)	988-992
Number of pages	5
Journal	IEEE Transactions on Nuclear Science
Volume	60
Issue number	2
DOIs	https://doi.org/10.1109/TNS.2012.2233497
Publication status	Published - 2013

Keywords

Ce:GAGG
gamma-ray spectroscopy
PET
scintillators
silicon photomultipliers
SPECT

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title = "First performance results of Ce:GAGG scintillation crystals with silicon photomultipliers",

abstract = "A new single-crystal Cerium doped Gd3Al2Ga 3O12 (GAGG) scintillation crystal with high luminosity, high density and relatively fast decay time has successfully been grown. We report on the first performance results of the new GAGG scintillation crystal read out with silicon photomultipliers (SiPM) from Hamamatsu (MPPC) and FBK. The best energy resolution (511 keV peak of Ge-68) of 7.9% was attained with GAGG coupled to MPPC and 9.0% with the FBK SiPM after correcting for non-linearity. On the other hand, the best coincidence resolving time (FWHM) of polished 3× 3 × 5mm3 and 3× 3 × 20mm3 crystals were 464±12ps and 577±22 ps for GAGG crystals compared to 179±8 ps and 214±6 ps for LYSO crystals respectively with MPPCs. The rise time of GAGG was measured to be 200 ps (75%) and 6 ns (25%) while the decay time was 140 ns (92%), 500 ns (7.7%) 6000 ns (0.3%).",

keywords = "Ce:GAGG, gamma-ray spectroscopy, PET, scintillators, silicon photomultipliers, SPECT",

author = "Yeom, {Jung Yeol} and Seiichi Yamamoto and Derenzo, {Stephen E.} and Spanoudaki, {Virginia Ch} and Kei Kamada and Takanori Endo and Levin, {Craig S.}",

year = "2013",

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AU - Yeom, Jung Yeol

AU - Yamamoto, Seiichi

AU - Derenzo, Stephen E.

AU - Spanoudaki, Virginia Ch

AU - Kamada, Kei

AU - Endo, Takanori

AU - Levin, Craig S.

PY - 2013

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N2 - A new single-crystal Cerium doped Gd3Al2Ga 3O12 (GAGG) scintillation crystal with high luminosity, high density and relatively fast decay time has successfully been grown. We report on the first performance results of the new GAGG scintillation crystal read out with silicon photomultipliers (SiPM) from Hamamatsu (MPPC) and FBK. The best energy resolution (511 keV peak of Ge-68) of 7.9% was attained with GAGG coupled to MPPC and 9.0% with the FBK SiPM after correcting for non-linearity. On the other hand, the best coincidence resolving time (FWHM) of polished 3× 3 × 5mm3 and 3× 3 × 20mm3 crystals were 464±12ps and 577±22 ps for GAGG crystals compared to 179±8 ps and 214±6 ps for LYSO crystals respectively with MPPCs. The rise time of GAGG was measured to be 200 ps (75%) and 6 ns (25%) while the decay time was 140 ns (92%), 500 ns (7.7%) 6000 ns (0.3%).

AB - A new single-crystal Cerium doped Gd3Al2Ga 3O12 (GAGG) scintillation crystal with high luminosity, high density and relatively fast decay time has successfully been grown. We report on the first performance results of the new GAGG scintillation crystal read out with silicon photomultipliers (SiPM) from Hamamatsu (MPPC) and FBK. The best energy resolution (511 keV peak of Ge-68) of 7.9% was attained with GAGG coupled to MPPC and 9.0% with the FBK SiPM after correcting for non-linearity. On the other hand, the best coincidence resolving time (FWHM) of polished 3× 3 × 5mm3 and 3× 3 × 20mm3 crystals were 464±12ps and 577±22 ps for GAGG crystals compared to 179±8 ps and 214±6 ps for LYSO crystals respectively with MPPCs. The rise time of GAGG was measured to be 200 ps (75%) and 6 ns (25%) while the decay time was 140 ns (92%), 500 ns (7.7%) 6000 ns (0.3%).

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KW - silicon photomultipliers

KW - SPECT

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First performance results of Ce:GAGG scintillation crystals with silicon photomultipliers

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