Saturation characteristics of the ionization chamber at a low dose rate

S. H. Park, H. S. Kim, Y. K. Kim, S. M. Kang, J. C. Kim, J. K. Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We have designed and fabricated an ionization chamber as the detector for the radiation area monitor. The saturation curves of the ionization chamber were measured at low dose rates. The previous quantitative method to determine the fractions of the initial and the general recombination was revised, and the initial recombination component in the ion recombination process was obtained with a new formula. The validity of the two voltage method, in which the ions are assumed to recombine through a general recombination, at a low dose rate was studied. Although the initial recombination becomes predominant as the dose rate gets lower, the two voltage method was still valid within error bar in our measurement.

Original languageEnglish
Pages (from-to)248-253
Number of pages6
JournalRadiation Physics and Chemistry
Volume73
Issue number5
DOIs
StatePublished - 2005 Aug 1

Fingerprint

ionization chambers
saturation
dosage
ion recombination
electric potential
monitors
detectors
curves
radiation
ions

Keywords

  • Ionization chamber
  • Recombination
  • Saturation curve
  • Two voltage method

Cite this

Park, S. H. ; Kim, H. S. ; Kim, Y. K. ; Kang, S. M. ; Kim, J. C. ; Kim, J. K. / Saturation characteristics of the ionization chamber at a low dose rate. In: Radiation Physics and Chemistry. 2005 ; Vol. 73, No. 5. pp. 248-253.
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Saturation characteristics of the ionization chamber at a low dose rate. / Park, S. H.; Kim, H. S.; Kim, Y. K.; Kang, S. M.; Kim, J. C.; Kim, J. K.

In: Radiation Physics and Chemistry, Vol. 73, No. 5, 01.08.2005, p. 248-253.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Saturation characteristics of the ionization chamber at a low dose rate

AU - Park, S. H.

AU - Kim, H. S.

AU - Kim, Y. K.

AU - Kang, S. M.

AU - Kim, J. C.

AU - Kim, J. K.

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AB - We have designed and fabricated an ionization chamber as the detector for the radiation area monitor. The saturation curves of the ionization chamber were measured at low dose rates. The previous quantitative method to determine the fractions of the initial and the general recombination was revised, and the initial recombination component in the ion recombination process was obtained with a new formula. The validity of the two voltage method, in which the ions are assumed to recombine through a general recombination, at a low dose rate was studied. Although the initial recombination becomes predominant as the dose rate gets lower, the two voltage method was still valid within error bar in our measurement.

KW - Ionization chamber

KW - Recombination

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