The second GeV tagged photon beamline at ELPH

T. Ishikawa, H. Fujimura, R. Hashimoto, T. Ishida, J. Kasagi, T. Kinoshita, S. Kuwasaki, F. Miyahara, A. Miyamoto, K. Mochizuki, T. Nakabayashi, M. Nanao, K. Nawa, Y. Okada, K. Okamura, Y. Onodera, Y. Saito, K. Satou, M. Sengoku, H. ShimizuK. Suzuki, S. Suzuki, Y. Tajima, T. Takahashi, H. Yamazaki, H. Yonemura, H. Y. Yoshida

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)


The second GeV bremsstrahlung photon beamline has been constructed for meson photo-production experiments at Research Center for Electron Photon Science, Tohoku University, where a 1200 MeV electron synchrotron called STretcher Booster (STB) has been in operation primarily for Quark Nuclear Physics. An internal radiator is employed to produce the bremsstrahlung photon beam out of circulating electrons in the STB ring. A photon tagging system is placed inside one of the bending magnets of the ring. The tagged energy of the photon beam ranges from 740 to 1150 MeV for 1200 MeV operation of the STB synchrotron. The details of the tagging system and the characteristics of the photon beam are described.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1
Publication statusPublished - 2010 Oct 1


  • Internal radiator
  • Photo-production
  • STB ring
  • Tagged photon beam

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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