The OPERA film: New nuclear emulsion for large-scale, high-precision experiments

Taku Nakamura, A. Ariga, T. Ban, Takako Fukuda, Tutomu Fukuda, T. Fujioka, T. Furukawa, K. Hamada, H. Hayashi, S. Hiramatsu, K. Hoshino, J. Kawada, N. Koike, M. Komatsu, H. Matsuoka, S. Miyamoto, K. Miyanishi, M. Miyanishi, K. Morishima, H. NadaN. Naganawa, T. Nakano, K. Narita, M. Natsume, K. Niwa, N. Nonaka, B. D. Park, O. Sato, S. Takahashi, T. Toshito, T. Uetake, M. Nakamura, K. Kuwabara, S. Nishiyama, Y. Nonoyama, K. Kodama

Research output: Contribution to journalArticle

137 Citations (Scopus)

Abstract

Industrial mass production of nuclear emulsion film has been realized by the introduction of new photographic technologies. In addition, emulsion-refreshing capability (erasing unwanted tracks before its use) was implemented by controlling the fading characteristics of the gel. The gel properties were optimized in order to satisfy this requirement; rapid track erasing at the erasing condition and minimum fading during the running of experiments. Emulsion films with this capability are crucial for large-scale applications like the long base-line neutrino experiment, OPERA, which intend to detect Tau neutrino appearance at 732 km from the beam source.

Original languageEnglish
Pages (from-to)80-86
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume556
Issue number1
DOIs
Publication statusPublished - Jan 1 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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    Nakamura, T., Ariga, A., Ban, T., Fukuda, T., Fukuda, T., Fujioka, T., Furukawa, T., Hamada, K., Hayashi, H., Hiramatsu, S., Hoshino, K., Kawada, J., Koike, N., Komatsu, M., Matsuoka, H., Miyamoto, S., Miyanishi, K., Miyanishi, M., Morishima, K., ... Kodama, K. (2006). The OPERA film: New nuclear emulsion for large-scale, high-precision experiments. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 556(1), 80-86. https://doi.org/10.1016/j.nima.2005.08.109