Gamma ray transmission imaging detectors using a double gap resistive plate chamber

S. Park, S. H. Ahn, B. Hong, S. J. Hong, T. I. Kang, T. J. Kim, K. S. Lee, J. K. Lim, D. H. Moon, J. K. Oh, W. J. Park, M. S. Ryu, K. S. Sim

Research output: Contribution to journalConference articlepeer-review

6 Citations (Scopus)


In this paper we report a feasibility study of the gamma ray transmission imaging using a double gap resistive plate chamber. The detector consists of two layers of 2mm resistive plate chamber (RPC) gaps with two-dimensional read-out strips of 10mm pitch. Gamma ray transmission images for objects inside a cabinet, using a 10mCi 137Cs isotope, were obtained with a pixel resolution of 5 × 5mm2. RPC sensitivities for various gamma ray energies were evaluated by the GEANT-based simulations.

Original languageEnglish
Pages (from-to)144-148
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-2
Publication statusPublished - 2004 Nov 1
EventProceedings of the Seventh International Workshop on Resistive - Clermont-Ferrand, France
Duration: 2003 Oct 202003 Oct 22

Bibliographical note

Funding Information:
Supported by the Ministry of Science and Technology, Republic of Korea, and by the KOSEF under grant Nos. R01-2001-000-00015 and M6-9701-00-0002.


  • Compton scattering
  • Gamma ray scan
  • Multigap RPC
  • Non-destructive inspection
  • RPC

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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