Preliminary design and simulation of a spherical brain PET system (SBPET) with liquid xenon as scintillator

Moghaddam, N. M.; Karimian, A.; Mostajaboddavati, S. M.; Vondervoort, E.; Sossi, V.

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Tytuł artykułu

Preliminary design and simulation of a spherical brain PET system (SBPET) with liquid xenon as scintillator

Autorzy

Moghaddam N. M. , Karimian A. , Mostajaboddavati S. M. , Vondervoort E. , Sossi V.

Treść / Zawartość

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Preliminary design and simulation of a spherical brain PET system.pdf

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Języki publikacji

Abstrakty

Preliminary design of a spherical brain PET (SBPET) using liquid xenon (LXe) as detector is considered in this research work. The major advantage of a spherical design is the large solid angle of acceptance which improves the sensitivity and increases signal-to-noise ratio (SNR) of the image. The use of a liquid active medium enabled us to design a spherical detector. LXe, due to the intrinsic physical properties, is an excellent liquid medium for accurate tracking of gamma rays in the relevant energy range. The performance of SBPET was evaluated by Monte Carlo simulation tools (GATE) and compared to ECAT HRRT. The numerical results showed the SBPET has a sensitivity of 1.14% and spatial resolution of ~2.7 mm FWHM which is superior to ECAT HRRT especially at high-count rates.

Słowa kluczowe

positron emission tomography (PET) Monte Carlo simulation GATE liquid xenon brain imaging

Wydawca

Institute of Nuclear Chemistry and Technology

Czasopismo

Nukleonika

Rocznik

2009

Tom

Vol. 54, No. 1

Strony

33--38

Opis fizyczny

Bibliogr. 39 poz., rys.

Twórcy

autor

Moghaddam N. M.

autor

Karimian A.

autor

Mostajaboddavati S. M.

autor

Vondervoort E.

autor

Sossi V.

Physics Department, University of Isfahan, Hezar jerib Ave., P. O. Box 81745-319, Isfahan, Iran, Tel.: +98 21 2212 7215, Fax: +98 21 8861 3937, mortazavi@alzahra.ac.ir

Bibliografia

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Bibliografia

Identyfikator YADDA

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