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Nukleonika

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Searches for discrete symmetries violation in ortho-positronium decay using the J-PET detector

Daria Kamińska
  • Corresponding author
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Aleksander Gajos
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Eryk Czerwiński
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Tomasz Bednarski
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Piotr Białas
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Marek Gorgol
  • Department of Nuclear Methods, Institute of Physics, Maria Curie-Sklodowska University, 1 M. Curie-Skłodowskiej Sq., 20-031 Lublin, Poland
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/ Bożena Jasińska
  • Department of Nuclear Methods, Institute of Physics, Maria Curie-Sklodowska University, 1 M. Curie-Skłodowskiej Sq., 20-031 Lublin, Poland
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/ Łukasz Kapłon
  • 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
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/ Grzegorz Korcyl
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Paweł Kowalski
  • Świerk Computing Centre, National Centre for Nuclear Research, 7 Andrzeja Soltana Str., 05-400 Otwock/Świerk, Poland
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/ Tomasz Kozik
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Wojciech Krzemień
  • High Energy Physics Division, National Centre for Nuclear Research, 7 Andrzeja Soltana Str., 05-400 Otwock/Świerk, Poland
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/ Ewelina Kubicz
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Szymon Niedźwiecki
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Marek Pałka
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Lech Raczyński
  • Świerk Computing Centre, National Centre for Nuclear Research, 7 Andrzeja Soltana Str., 05-400 Otwock/Świerk, Poland
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/ Zbigniew Rudy
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Oleksandr Rundel
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Neha Gupta Sharma
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Michał Silarski
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Adam Słomski
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Adam Strzelecki
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Anna Wieczorek
  • 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
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/ Wojciech Wiślicki
  • Świerk Computing Centre, National Centre for Nuclear Research, 7 Andrzeja Soltana Str., 05-400 Otwock/Świerk, Poland
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/ Marcin Zieliński
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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/ Bożena Zgardzińska
  • Department of Nuclear Methods, Institute of Physics, Maria Curie-Sklodowska University, 1 M. Curie-Skłodowskiej Sq., 20-031 Lublin, Poland
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/ Paweł Moskal
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 11 S. Łojasiewicza Str., 30-348 Kraków, Poland
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Published Online: 2015-12-01 | DOI: https://doi.org/10.1515/nuka-2015-0131

Abstract

In this paper, we present prospects for using the Jagiellonian positron emission tomograph (J-PET) detector to search for discrete symmetries violations in a purely leptonic system of the positronium atom. We discuss tests of CP and CPT symmetries by means of ortho-positronium decays into three photons. No zero expectation values for chosen correlations between ortho-positronium spin and momentum vectors of photons would imply the existence of physics phenomena beyond the standard model. Previous measurements resulted in violation amplitude parameters for CP and CPT symmetries consistent with zero, with an uncertainty of about 10−3. The J-PET detector allows to determine those values with better precision, thanks to the unique time and angular resolution combined with a high geometrical acceptance. Achieving the aforementioned is possible because of the application of polymer scintillators instead of crystals as detectors of annihilation quanta.

Keywords: discrete symmetries; J-PET; ortho-positronium

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About the article

Received: 2015-06-30

Accepted: 2015-08-27

Published Online: 2015-12-01

Published in Print: 2015-12-01


Citation Information: Nukleonika, ISSN (Online) 0029-5922, DOI: https://doi.org/10.1515/nuka-2015-0131.

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© 2015 Daria Kamińska et al., published by De Gruyter Open. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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M. Pawlik-Niedźwiecka, O. Khreptak, A. Gajos, A. Wieczorek, D. Alfs, T. Bednarski, P. Białas, C. Curceanu, E. Czerwiński, K. Dulski, B. Głowacz, N. Gupta-Sharma, M. Gorgol, B. C. Hiesmayr, B. Jasińska, D. Kamińska, G. Korcyl, P. Kowalski, W. Krzmień, N. Krawczyk, E. Kubicz, M. Mohammed, Sz. Niedźwiecki, L. Raczyński, Z. Rudy, M. Silarski, W. Wiślicki, B. Zgardzińska, M. Zieliński, P. Moskal, A. Wrońska, A. Magiera, C. Guaraldo, and H. Ströher
EPJ Web of Conferences, 2016, Volume 130, Page 07020
[2]
D. Kamińska, A. Gajos, E. Czerwiński, D. Alfs, T. Bednarski, P. Białas, C. Curceanu, K. Dulski, B. Głowacz, N. Gupta-Sharma, M. Gorgol, B. C. Hiesmayr, B. Jasińska, G. Korcyl, P. Kowalski, W. Krzemień, N. Krawczyk, E. Kubicz, M. Mohammed, Sz. Niedźwiecki, M. Pawlik-Niedźwiecka, L. Raczyński, Z. Rudy, M. Silarski, A. Wieczorek, W. Wiślicki, B. Zgardzińska, M. Zieliński, and P. Moskal
The European Physical Journal C, 2016, Volume 76, Number 8

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