X-ray detection capability of a Cs2ZnCl4 single-crystal scintillator

Natsuna Yahaba, Masanori Koshimizu, Yan Sun, Takayuki Yanagida, Yutaka Fujimoto, Rie Haruki, Fumihiko Nishikido, Shunji Kishimoto, Keisuke Asai

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The X-ray detection capability of a scintillation detector equipped with a Cs2ZnCl4 single crystal was evaluated. The scintillation decay kinetics can be expressed as the sum of two exponential decay components. The fast decay component had a decay time constant of 1.8 ns, and its relative intensity was 95%. The total light output was 630 photons/MeV, and a subnanosecond timing resolution of 0.66 ns was obtained. The detection efficiency of 67.4 keV X-rays was 80% for a detector equipped with a 2.2-mm-thick Cs2ZnCl4 crystal. Thus, excellent timing resolution and high detection efficiency were achieved simultaneously.

Original languageEnglish
Article number062602
JournalApplied Physics Express
Volume7
Issue number6
DOIs
Publication statusPublished - 2014 Jun

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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