Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph

Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved re...
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Autor*in:	Moskal, P [verfasserIn] Rundel, O Alfs, D Bednarski, T Białas, P Czerwiński, E Gajos, A Giergiel, K Gorgol, M Jasińska, B Kamińska, D Kapłon, Ł Korcyl, G Kowalski, P Kozik, T Krzemień, W Kubicz, E Niedźwiecki, Sz Pałka, M Raczyński, L Rudy, Z Sharma, N G Słomski, A Silarski, M Strzelecki, A Wieczorek, A Wiślicki, W Witkowski, P Zieliński, M Zoń, N

Format:	Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	Instrumentation and Detectors Physics Medical Physics

Systematik:	WA 15000

Übergeordnetes Werk:	Enthalten in: Physics in medicine and biology - Bristol : IOP Publ., 1956, 61(2016), 5, Seite 2025
Übergeordnetes Werk:	volume:61 ; year:2016 ; number:5 ; pages:2025

Links:	Volltext Link aufrufen Link aufrufen

DOI / URN:	10.1088/0031-9155/61/5/2025

Katalog-ID:	OLC1972772643

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520			\|a Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities.
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700	1		\|a Rudy, Z \|4 oth
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700	1		\|a Słomski, A \|4 oth
700	1		\|a Silarski, M \|4 oth
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700	1		\|a Zoń, N \|4 oth
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856	4	1	\|u http://dx.doi.org/10.1088/0031-9155/61/5/2025 \|3 Volltext
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allfields	10.1088/0031-9155/61/5/2025 doi PQ20160430 (DE-627)OLC1972772643 (DE-599)GBVOLC1972772643 (PRQ)a1570-e5ad5b15e21584838c9009dd3eb1555b85c8e8e1701bd13f05ffb03f9a069ca70 (KEY)0053250920160000061000502025timeresolutionoftheplasticscintillatorstripswithma DE-627 ger DE-627 rakwb eng 570 540 530 DNB BIODIV fid WA 15000 AVZ rvk 44.31 bkl 42.12 bkl Moskal, P verfasserin aut Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities. Instrumentation and Detectors Physics Medical Physics Rundel, O oth Alfs, D oth Bednarski, T oth Białas, P oth Czerwiński, E oth Gajos, A oth Giergiel, K oth Gorgol, M oth Jasińska, B oth Kamińska, D oth Kapłon, Ł oth Korcyl, G oth Kowalski, P oth Kozik, T oth Krzemień, W oth Kubicz, E oth Niedźwiecki, Sz oth Pałka, M oth Raczyński, L oth Rudy, Z oth Sharma, N G oth Słomski, A oth Silarski, M oth Strzelecki, A oth Wieczorek, A oth Wiślicki, W oth Witkowski, P oth Zieliński, M oth Zoń, N oth Enthalten in Physics in medicine and biology Bristol : IOP Publ., 1956 61(2016), 5, Seite 2025 (DE-627)129503991 (DE-600)208857-5 (DE-576)014907305 0031-9155 nnns volume:61 year:2016 number:5 pages:2025 http://dx.doi.org/10.1088/0031-9155/61/5/2025 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26895187 http://arxiv.org/abs/1602.02058 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_22 GBV_ILN_70 GBV_ILN_170 GBV_ILN_4306 WA 15000 44.31 AVZ 42.12 AVZ AR 61 2016 5 2025
spelling	10.1088/0031-9155/61/5/2025 doi PQ20160430 (DE-627)OLC1972772643 (DE-599)GBVOLC1972772643 (PRQ)a1570-e5ad5b15e21584838c9009dd3eb1555b85c8e8e1701bd13f05ffb03f9a069ca70 (KEY)0053250920160000061000502025timeresolutionoftheplasticscintillatorstripswithma DE-627 ger DE-627 rakwb eng 570 540 530 DNB BIODIV fid WA 15000 AVZ rvk 44.31 bkl 42.12 bkl Moskal, P verfasserin aut Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities. Instrumentation and Detectors Physics Medical Physics Rundel, O oth Alfs, D oth Bednarski, T oth Białas, P oth Czerwiński, E oth Gajos, A oth Giergiel, K oth Gorgol, M oth Jasińska, B oth Kamińska, D oth Kapłon, Ł oth Korcyl, G oth Kowalski, P oth Kozik, T oth Krzemień, W oth Kubicz, E oth Niedźwiecki, Sz oth Pałka, M oth Raczyński, L oth Rudy, Z oth Sharma, N G oth Słomski, A oth Silarski, M oth Strzelecki, A oth Wieczorek, A oth Wiślicki, W oth Witkowski, P oth Zieliński, M oth Zoń, N oth Enthalten in Physics in medicine and biology Bristol : IOP Publ., 1956 61(2016), 5, Seite 2025 (DE-627)129503991 (DE-600)208857-5 (DE-576)014907305 0031-9155 nnns volume:61 year:2016 number:5 pages:2025 http://dx.doi.org/10.1088/0031-9155/61/5/2025 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26895187 http://arxiv.org/abs/1602.02058 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_22 GBV_ILN_70 GBV_ILN_170 GBV_ILN_4306 WA 15000 44.31 AVZ 42.12 AVZ AR 61 2016 5 2025
allfields_unstemmed	10.1088/0031-9155/61/5/2025 doi PQ20160430 (DE-627)OLC1972772643 (DE-599)GBVOLC1972772643 (PRQ)a1570-e5ad5b15e21584838c9009dd3eb1555b85c8e8e1701bd13f05ffb03f9a069ca70 (KEY)0053250920160000061000502025timeresolutionoftheplasticscintillatorstripswithma DE-627 ger DE-627 rakwb eng 570 540 530 DNB BIODIV fid WA 15000 AVZ rvk 44.31 bkl 42.12 bkl Moskal, P verfasserin aut Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities. Instrumentation and Detectors Physics Medical Physics Rundel, O oth Alfs, D oth Bednarski, T oth Białas, P oth Czerwiński, E oth Gajos, A oth Giergiel, K oth Gorgol, M oth Jasińska, B oth Kamińska, D oth Kapłon, Ł oth Korcyl, G oth Kowalski, P oth Kozik, T oth Krzemień, W oth Kubicz, E oth Niedźwiecki, Sz oth Pałka, M oth Raczyński, L oth Rudy, Z oth Sharma, N G oth Słomski, A oth Silarski, M oth Strzelecki, A oth Wieczorek, A oth Wiślicki, W oth Witkowski, P oth Zieliński, M oth Zoń, N oth Enthalten in Physics in medicine and biology Bristol : IOP Publ., 1956 61(2016), 5, Seite 2025 (DE-627)129503991 (DE-600)208857-5 (DE-576)014907305 0031-9155 nnns volume:61 year:2016 number:5 pages:2025 http://dx.doi.org/10.1088/0031-9155/61/5/2025 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26895187 http://arxiv.org/abs/1602.02058 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_22 GBV_ILN_70 GBV_ILN_170 GBV_ILN_4306 WA 15000 44.31 AVZ 42.12 AVZ AR 61 2016 5 2025
allfieldsGer	10.1088/0031-9155/61/5/2025 doi PQ20160430 (DE-627)OLC1972772643 (DE-599)GBVOLC1972772643 (PRQ)a1570-e5ad5b15e21584838c9009dd3eb1555b85c8e8e1701bd13f05ffb03f9a069ca70 (KEY)0053250920160000061000502025timeresolutionoftheplasticscintillatorstripswithma DE-627 ger DE-627 rakwb eng 570 540 530 DNB BIODIV fid WA 15000 AVZ rvk 44.31 bkl 42.12 bkl Moskal, P verfasserin aut Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities. Instrumentation and Detectors Physics Medical Physics Rundel, O oth Alfs, D oth Bednarski, T oth Białas, P oth Czerwiński, E oth Gajos, A oth Giergiel, K oth Gorgol, M oth Jasińska, B oth Kamińska, D oth Kapłon, Ł oth Korcyl, G oth Kowalski, P oth Kozik, T oth Krzemień, W oth Kubicz, E oth Niedźwiecki, Sz oth Pałka, M oth Raczyński, L oth Rudy, Z oth Sharma, N G oth Słomski, A oth Silarski, M oth Strzelecki, A oth Wieczorek, A oth Wiślicki, W oth Witkowski, P oth Zieliński, M oth Zoń, N oth Enthalten in Physics in medicine and biology Bristol : IOP Publ., 1956 61(2016), 5, Seite 2025 (DE-627)129503991 (DE-600)208857-5 (DE-576)014907305 0031-9155 nnns volume:61 year:2016 number:5 pages:2025 http://dx.doi.org/10.1088/0031-9155/61/5/2025 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26895187 http://arxiv.org/abs/1602.02058 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_22 GBV_ILN_70 GBV_ILN_170 GBV_ILN_4306 WA 15000 44.31 AVZ 42.12 AVZ AR 61 2016 5 2025
allfieldsSound	10.1088/0031-9155/61/5/2025 doi PQ20160430 (DE-627)OLC1972772643 (DE-599)GBVOLC1972772643 (PRQ)a1570-e5ad5b15e21584838c9009dd3eb1555b85c8e8e1701bd13f05ffb03f9a069ca70 (KEY)0053250920160000061000502025timeresolutionoftheplasticscintillatorstripswithma DE-627 ger DE-627 rakwb eng 570 540 530 DNB BIODIV fid WA 15000 AVZ rvk 44.31 bkl 42.12 bkl Moskal, P verfasserin aut Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities. Instrumentation and Detectors Physics Medical Physics Rundel, O oth Alfs, D oth Bednarski, T oth Białas, P oth Czerwiński, E oth Gajos, A oth Giergiel, K oth Gorgol, M oth Jasińska, B oth Kamińska, D oth Kapłon, Ł oth Korcyl, G oth Kowalski, P oth Kozik, T oth Krzemień, W oth Kubicz, E oth Niedźwiecki, Sz oth Pałka, M oth Raczyński, L oth Rudy, Z oth Sharma, N G oth Słomski, A oth Silarski, M oth Strzelecki, A oth Wieczorek, A oth Wiślicki, W oth Witkowski, P oth Zieliński, M oth Zoń, N oth Enthalten in Physics in medicine and biology Bristol : IOP Publ., 1956 61(2016), 5, Seite 2025 (DE-627)129503991 (DE-600)208857-5 (DE-576)014907305 0031-9155 nnns volume:61 year:2016 number:5 pages:2025 http://dx.doi.org/10.1088/0031-9155/61/5/2025 Volltext http://www.ncbi.nlm.nih.gov/pubmed/26895187 http://arxiv.org/abs/1602.02058 GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_22 GBV_ILN_70 GBV_ILN_170 GBV_ILN_4306 WA 15000 44.31 AVZ 42.12 AVZ AR 61 2016 5 2025
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spellingShingle	Moskal, P ddc 570 fid BIODIV rvk WA 15000 bkl 44.31 bkl 42.12 misc Instrumentation and Detectors misc Physics misc Medical Physics Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph
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title	Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph
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title_full	Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph
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title_sort	time resolution of the plastic scintillator strips with matrix photomultiplier readout for j-pet tomograph
title_auth	Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph
abstract	Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities.
abstractGer	Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities.
abstract_unstemmed	Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability for the detection of annihilation quanta (0.511 MeV) with a coincidence resolving time (CRT) of 0.266 ns. The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. The results open perspectives for construction of a cost-effective TOF-PET scanner with significantly better TOF resolution and larger AFOV with respect to the current TOF-PET modalities.
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title_short	Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph
url	http://dx.doi.org/10.1088/0031-9155/61/5/2025 http://www.ncbi.nlm.nih.gov/pubmed/26895187 http://arxiv.org/abs/1602.02058
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up_date	2024-07-04T00:29:25.531Z
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The achieved resolution is almost by a factor of two better with respect to the current TOF-PET detectors and it can still be improved since, as it is shown in this article, the intrinsic limit of time resolution for the determination of time of the interaction of 0.511 MeV gamma quanta in plastic scintillators is much lower. As the major point of the article, a method allowing to record timestamps of several photons, at two ends of the scintillator strip, by means of matrix of silicon photomultipliers (SiPM) is introduced. As a result of simulations, conducted with the number of SiPM varying from 4 to 42, it is shown that the improvement of timing resolution saturates with the growing number of photomultipliers, and that the [Formula: see text] configuration at two ends allowing to read twenty timestamps, constitutes an optimal solution. The conducted simulations accounted for the emission time distribution, photon transport and absorption inside the scintillator, as well as quantum efficiency and transit time spread of photosensors, and were checked based on the experimental results. Application of the [Formula: see text] matrix of SiPM allows for achieving the coincidence resolving time in positron emission tomography of [Formula: see text]0.170 ns for 15 cm axial field-of-view (AFOV) and [Formula: see text]0.365 ns for 100 cm AFOV. 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Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph

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