Positron Annihilation Methods by Use of LSO Scintillators
T. Hiradea b and T. Okac, d
aNuclear Science and Engineering Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
bInstitute of Applied Beam Science, Graduate School of Science and Engineering, Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibaraki, 316-8511, Japan
cCenter for the Advancement of Higher Education, Tohoku University, 41 Kawauchi, Aoba-ku, Sendai, Miyagi, 980-8576, Japan
dDepartment of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan
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Lu2SiO5:Ce (LSO) scintillator is one of the scintillators used for positron emission tomography because of its high efficiency of gamma-ray detection. We tried to use LSO for positron annihilation lifetime and age-momentum correlation measurements because the high efficiency is needed to reduce the positron irradiation effect during measurements. The high efficiency with reasonable time resolution was successfully obtained by use of the dynode signals from photomultiplier tubes.

DOI: 10.12693/APhysPolA.125.825
PACS numbers: 78.70.Bj