Light yield non-proportionality and intrinsic energy resolution of doped CsI scintillators

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Publication Details

Author list: Chewpraditkul W., Swiderski L., Moszynski M.

Publisher: Sciendo

Publication year: 2008

Journal: Nukleonika: The Journal of Instytut Chemii i Techniki Jadrowej (0029-5922)

Volume number: 53

Issue number: 2

Start page: 51

End page: 56

Number of pages: 6

ISSN: 0029-5922

eISSN: 1508-5791

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-49449100918&partnerID=40&md5=41348c427b15b66ebdf025ad65326edd

Languages: English-Great Britain (EN-GB)

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Abstract

The light yield non-proportionality and energy resolution of doped CsI scintillators have been studied for γ-ray energies ranging from 16.6-1274.5 keV. The light yield non-proportionality of about 20% and the energy resolution of 7.6 ± 0.4% for 662 keV γ-rays have been achieved for ∅ 25 mm x 25 mm CsI(Na) crystal, coupled to an XP 5200 photomultiplier tube. The intrinsic resolution of the crystals vs. energy of γ-rays has been determined after correcting the measured resolution for photomultiplier tube statistics. The different shapes of intrinsic resolution curves observed with various samples of doped CsI are discussed.

Keywords

Doped CsI