A new imaging method using high-energy photons

Koichi Maruyama, Kazumasa Ito, Kazushige Maeda, Masami Chiba

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We propose a new imaging method that uses a high-energy photon beam. The photons interact with atomic nuclei in an object to produce electron-positron pairs, which fly in the extreme forward directions. A system consisting of silicon stripe detectors (SSD) and scintillation counters measured the positions of the pairs to determine the photon-interaction points on the plane normal to the beam. The intrinsic position resolution with the present system is 550μm at the photon energy of 0.85 GeV. The distribution of the points shows an image of the object by projection, which proves the feasibility of our proposed method.

Original languageEnglish
Pages (from-to)L422-L424
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume41
Issue number4 A
DOIs
Publication statusPublished - 2002 Apr 1

Keywords

  • Electron-positron pairs
  • Imaging
  • Imaging by projection
  • Photon
  • Position resolution
  • SSD

ASJC Scopus subject areas

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

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