Statistical Analysis of Time Resolution of the J-PET Scanner

被引：0

作者：

Raczynski, Lech ^{[1
]}

Wislicki, Wojciech ^{[1
]}

Kowalski, Pawel ^{[1
]}

Krzemien, Wojciech ^{[2
]}

Alfs, Dominika ^{[3
]}

Bednarski, Tomasz ^{[3
]}

Bialas, Piotr ^{[3
]}

Curceanu, Catalina ^{[4
]}

Czerwinski, Eryk ^{[3
]}

Dulski, Kamil ^{[3
]}

Gajos, Aleksander ^{[3
]}

Glowacz, Bartosz ^{[3
]}

Gorgol, Marek ^{[5
]}

Hiesmayr, Beatrix ^{[6
]}

Jasinska, Bozena ^{[5
]}

Kaminska, Daria ^{[3
]}

Korcyl, Grzegorz ^{[3
]}

Kozik, Tomasz ^{[3
]}

Krawczyk, Nikodem

Kubicz, Ewelina ^{[3
]}

Mohammed, Muhsin ^{[3
]}

Pawlik-Niedzwiecka, Monika ^{[3
]}

Niedzwiecki, Szymon ^{[3
]}

Palka, Marek

Rudy, Zbigniew

Rundel, Oleksandr

Sharma, Neha Gupta

Silarski, Michal

Smyrski, Jerzy

Strzelecki, Adam

Wieczorek, Anna ^{[3
]}

Zgardzinska, Bozena ^{[5
]}

Zielinski, Marcin ^{[3
]}

Moskal, Pawel ^{[3
]}

机构：

[1] Natl Ctr Nucl Res, Dept Complex Syst, PL-05400 Otwock, Poland

[2] Natl Ctr Nucl Res, High Energy Phys Div, PL-05400 Otwock, Poland

[3] Jagiellonian Univ, Fac Phys Astron & Appl Comp Sci, PL-30348 Krakow, Poland

[4] INFN, Lab Nazl Frascati, I-00044 Frascati, Italy

[5] Marie Curie Sklodowska Univ, Inst Phys, PL-20031 Lublin, Poland

[6] Univ Vienna, Fac Phys, A-1090 Vienna, Austria

来源：

2016 IEEE NUCLEAR SCIENCE SYMPOSIUM, MEDICAL IMAGING CONFERENCE AND ROOM-TEMPERATURE SEMICONDUCTOR DETECTOR WORKSHOP (NSS/MIC/RTSD) | 2016年

基金：

奥地利科学基金会;

关键词：

HIT-POSITION RECONSTRUCTION; PLASTIC SCINTILLATORS; OF-FLIGHT; DETECTORS; LIBRARY; SIGNALS;

D O I：

10.1109/NSSMIC.2016.8069407

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The commercial Positron Emission Tomography (PET) scanners use inorganic crystal scintillators for the detection of gamma photons. The Jagiellonian-PET (J-PET) detector exhibits high time resolution due to use of fast plastic scintillators and dedicated electronics circuits. Since the time resolution of PET scanner is influenced by numerous factors, e.g. a type of photomultipliers attached to the scintillators, the optimal selection of components of the J-PET system requires detailed understanding of the method for calculation the time resolution. In this paper we show the idea of this method, based on statistical analysis of the observed signals on the photomultiplier's output. The method is tested using signals registered by means of the single detection module of the J-PET scanner built out from 30 cm long plastic scintillator strips. We investigate two main factors affecting the photon registration probability, photomultipliers quantum efficiency and photomultipliers transit time spread. We demonstrate that the quantum efficiency of photomultipliers represents the most important factor influencing overall performance of the J-PET scanner.

引用

页数：4

共 50 条

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