Automatic analysis of the emulsion chamber using the image scanner applied to the Tibet hybrid experiment

Shunsuke Ozawa*, M. Shibata, Y. Katayose, I. Ohta, N. Hotta, T. Saito, X. Wang, T. Ouchi, J. Huang, H. Tsuchiya, J. R. Ren, S. L. Lu, N. J. Zhang, J. Y. Li, X. Y. Zhang

*この研究の対応する著者

研究成果: Article査読

10 被引用数 (Scopus)

抄録

A new method of emulsion chamber analysis by using an image scanner is developed in order to process a large number of X-ray films used in the Tibet hybrid experiment which is carried out to observe primary proton spectrum in the PeV region. The experimental procedure in this method consists of multiple steps of processing the image of the X-ray films, i.e. the detection of cascade showers induced by high-energy γ-rays, the noise reduction, the spatial reconstruction of γ-families and their energy determination. The quality of the results obtained by the new method is compared with that obtained by the current manual method or Monte Carlo simulations. It is shown that sufficiently high quality of the emulsion chamber analysis is realized by the automatic method both in energy and geometrical resolution.

本文言語English
ページ(範囲)193-205
ページ数13
ジャーナルNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
523
1-2
DOI
出版ステータスPublished - 2004 5月 1
外部発表はい

ASJC Scopus subject areas

  • 器械工学
  • 核物理学および高エネルギー物理学

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