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This article describes the simulations of the scattering of annihilation γ quanta in a strip of a plastic scintillator. Such strips constitute the basic detection modules in a newly proposed positron emission tomography (PET), which utilizes plastic scintillators instead of inorganic crystals. An algorithm simulating the chain of Compton scatterings was elaborated and a series of simulations have been conducted for the scintillator strip with a cross-section of 5×19 mm. The results indicate that secondary interactions occur only in the case of about 8% of the events and only 25% of these events take place in the distance larger than 0.5 cm from the primary interaction. Also, the light signals produced at the primary and secondary interactions overlap with the delay, the distribution of which is characterized by a full width at half-maximum (FWHM) of about 40 ps.
Rocznik
Strony
71--77
Opis fizyczny
Bibliogr. 6 poz., wykr.
Twórcy
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
  • Faculty of Chemistry, Jagiellonian University, Kraków, Poland
  • Faculty of Chemistry, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Chemistry, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Świerk Computing Centre, National Centre for Nuclear Research, Otwock-Swierk, Poland
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
autor
  • Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland
Bibliografia
  • 1. Moskal P, Bednarski T, Białas P, Ciszewska M, Czerwiński E, Heczko A, et al. TOF-PET detector concept based on organic scintillators. In: Positron Emission Tomography in Research and Diagnostics Conference, May 16-19,2012. Warsaw: Nuclear Medicine Review, 2012: C68-C69.
  • 2. NISTXCOM (dynamic content). Photon cross-section database. Retrieved April 30, 2013 from http://physics.nist.gov/PhysRef-Data/Xcom/Text/intro.html.
  • 3. Wolfram Research (dynamic content). Online integrator. Retrieved April 30, 2013 from http://integrals.wolfram.com/index.jsp?expr=%28%281%2Bg%281-cos+x%29%29+%2B+l%2F+%281%2Bg%281-cos+x%29%29+-+sin"2+x+%29%2F%281%2Bg%281-cos+x%29%29"2+2+pi+sin+xrandom=false.
  • 4. Silarski M. Polymer scintillators for PET produced commercially. Cracow: Jagiellonian University, 2012 (PET U) Report nr 19/2012).
  • 5. Moskal P, Salabura P, Silarski M, Smyrski J, Zdebik J, Zielinski M. Novel detector systems for the positron emission tomography. Bio-Algorithms Med-Systems 2011;7:73-8.
  • 6. Moskal P, Bednarski T, Białas P, Ciszewska M, Czerwiński E, Heczko A, et al. Strip-PET: a novel detector concept for the TOF-PET scanner. Nucl Med Rev 2012;15:C68.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-9e0c8deb-de5d-42c2-b5d9-2b594ccfae3a
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