PALS investigations of free volumes thermal expansion of J-PET plastic scintillator synthesized in polystyrene matrix-Reference-Cited by-同舟云学术

PALS investigations of free volumes thermal expansion of J-PET plastic scintillator synthesized in polystyrene matrix

Published:2015-12-01 Issue:4 Volume:60 Page:777-781
ISSN:0029-5922
Container-title:Nukleonika
language:en
Short-container-title:

Author:

Wieczorek Anna¹,Zgardzińska Bożena²,Jasińska Bożena²,Gorgol Marek²,Bednarski Tomasz³,Białas Piotr³,Czerwiński Eryk³,Gajos Aleksander³,Kamińska Daria³,Kapłon Łukasz¹,Kochanowski Andrzej⁴,Korcyl Grzegorz³,Kowalski Paweł⁵,Kozik Tomasz³,Krzemień Wojciech⁶,Kubicz Ewelina³,Niedźwiecki Szymon³,Pałka Marek³,Raczyński Lech⁵,Rudy Zbigniew³,Rundel Oleksandr³,Sharma Neha Gupta³,Silarski Michał³,Słomski Artur³,Strzelecki Adam³,Wiślicki Wojciech⁵,Zieliński Marcin³,Moskal Paweł³

Affiliation:

1. Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland and Institute of Metallurgy and Materials Science of the Polish Academy of Sciences, 25 W. Reymonta Str., 30-059 Kraków, Poland, Tel.: +48 12 663 4618

2. Department of Nuclear Methods, Institute of Physics, Maria Curie-Sklodowska University, 1 M. Curie-Sklodowskiej Sq., 20-031 Lublin, Poland

3. Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland

4. Faculty of Chemistry, Department of Chemical Technology, Jagiellonian University, 3 R. Ingardena Str., 30-059 Kraków, Poland

5. Świerk Computing Centre, National Centre for Nuclear Research, 7 Andrzeja Soltana Str., 05-400 Otwock/Świerk, Poland

6. High Energy Physics Division, National Centre for Nuclear Research, 7 Andrzeja Soltana Str., 05-400 Otwock/Świerk, Poland

Abstract

Abstract The polystyrene doped with 2,5-diphenyloxazole as a primary fluor and 2-(4-styrylphenyl)benzoxazole as a wavelength shifter prepared as a plastic scintillator was investigated using positronium probe in wide range of temperatures from 123 to 423 K. Three structural transitions at 260, 283, and 370 K were found in the material. In the o-Ps intensity dependence on temperature, the significant hysteresis is observed. Heated to 370 K, the material exhibits the o-Ps intensity variations in time.

Publisher

Walter de Gruyter GmbH

Subject

Waste Management and Disposal,Condensed Matter Physics,Safety, Risk, Reliability and Quality,Instrumentation,Nuclear Energy and Engineering,Nuclear and High Energy Physics

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