Analysis Procedure of the Positronium Lifetime Spectra for the J-PET Detector
K. Dulskia, B. Zgardzińska b, P. Białas a, C. Curceanu c, E. Czerwiński a, A. Gajos a, B. Głowacz a, M. Gorgol b, B.C. Hiesmayr d, B. Jasińska b, D. Kisielewska-Kamińska a, G. Korcyl a, P. Kowalski e, T. Kozik a, N. Krawczyk a, W. Krzemień f, E. Kubicz a, Muhsin Mohammeda,g, M. Pawlik-Niedźwiecka a, S. Niedźwiecki a, M. Pałka a, L. Raczyński e, J. Raj a, Z. Rudy a, N.G. Sharma a, S. Sharma a, Shivani Shivani a, R.Y. Shopa e, M. Silarski a, M. Skurzok a, A. Wieczorek a, W. Wiślicki e, M. Zieliński a and P. Moskal a
aFaculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, 30-348 Cracow, Poland
bInstitute of Physics, Maria Curie-Skłodowska University, 20-031 Lublin, Poland
cINFN, Laboratori Nazionali di Frascati, 00044 Frascati, Italy
dFaculty of Physics, University of Vienna, 1090 Vienna, Austria
eDepartment of Complex Systems, National Centre for Nuclear Research, 05-400 Otwock-Świerk, Poland
fHigh Energy Physics Division, National Centre for Nuclear Research, 05-400 Otwock-Świerk, Poland
gDepartment of Physics, College of Education for Pure Sciences, University of Mosul, Mosul, Iraq
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Positron annihilation lifetime spectroscopy has shown to be a powerful tool to study the nanostructures of porous materials. Positron emission tomograph is a device allowing imaging of metabolic processes e.g. in human bodies. A newly developed device, the Jagiellonian PET will allow positron annihilation lifetime spectroscopy in addition to imaging, thus combining both analyses providing new methods for physics and medicine. In this contribution we present a computer program that is compatible with the Jagiellonian PET software. We compare its performance with the standard program LT 9.0 by using positron annihilation lifetime spectroscopy data from hexane measurements at different temperatures. Our program is based on an iterative procedure, and our fits prove that it performs as good as LT 9.0.

DOI: 10.12693/APhysPolA.132.1637
PACS numbers: 07.05.Kf, 13.30.Ce, 14.60.-z, 78.47.-p