Commissioning of a portable ionization chamber at high counting rate using heavy ion beams

M. S. Kwag, K. Y. Chae, S. M. Cha, N. N. Duy, K. Iribe, D. H. Kim, M. J. Kim, S. Oka, T. Teranishi, Y. Ueno, H. Yoshida

Research output: Contribution to journalArticle

Abstract

A fast ionization chamber with a high counting rate was commissioned at the 8 MV tandem accelerator complex of Kyushu University in Japan. Heavy ion beams consisting of 12C and 16O with Ebeam = 36 MeV were used to investigate the detector performance. By using various beam intensities ranging from 103 to 106 particles per second (pps), the maximum counting rate of the ion counter was measured to be about 8 × 105 pps. The detector performance under different gases was also investigated using two common gases in the ionization chamber: isobutane and P-10 gases. The results show that the negative effects due to pileups, which are often observed at high counting rates, can be greatly reduced when P-10 gas is used.

Original languageEnglish
Pages (from-to)579-584
Number of pages6
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume322
Issue number2
DOIs
Publication statusPublished - Nov 1 2019

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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    Kwag, M. S., Chae, K. Y., Cha, S. M., Duy, N. N., Iribe, K., Kim, D. H., Kim, M. J., Oka, S., Teranishi, T., Ueno, Y., & Yoshida, H. (2019). Commissioning of a portable ionization chamber at high counting rate using heavy ion beams. Journal of Radioanalytical and Nuclear Chemistry, 322(2), 579-584. https://doi.org/10.1007/s10967-019-06749-6