Neutron beam test of CsI crystal for dark matter search

H. Park, D. H. Choi, J. M. Choi, I. S. Hahn, M. J. Hwang, W. G. Kang, H. J. Kim, J. H. Kim, S. C. Kim, S. K. Kim, T. Y. Kim, Y. D. Kim, Y. J. Kwon, H. S. Lee, J. H. Lee, M. H. Lee, S. E. Lee, S. H. Noh, I. H. Park, E. S. SeoE. Won, H. Y. Yang, M. S. Yang, I. Yu

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)


We have studied the response of Tl- and Na-doped CsI crystals to nuclear recoils and γ's below 10 keV. The response of CsI crystals to nuclear recoil was studied with mono-energetic neutrons produced by the 3H(p, n)3He reaction. This was compared to the response to Compton electrons scattered by 662 keV γ-ray. Pulse shape discrimination between the response to these γ's and nuclear recoils was studied, and quality factors were estimated. The quenching factors for nuclear recoils were derived for both CsI(Na) and CsI(Tl) crystals.

Original languageEnglish
Pages (from-to)460-469
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number3
Publication statusPublished - 2002 Oct 1
Externally publishedYes

Bibliographical note

Funding Information:
This work is supported by Creative Research Initiatives Program of Korean Ministry of Science and Technology. We thank Dr. K.D. Kim and other staffs of Korea Institute of Geoscience and Mineral Resources (KIGAM) for their support to the experiment. Also, we thank E. Hungerford for many helpful comments.


  • CsI(Na)
  • CsI(Tl)
  • Dark Matter
  • PSD
  • Quality factor
  • Quenching factor

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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