Neutral Kaon Spectrometer 2

M. Kaneta, B. Beckford, T. Fujii, Y. Fujii, K. Futatsukawa, Y. C. Han, O. Hashimoto, K. Hirose, T. Ishikawa, H. Kanda, C. Kimura, K. Maeda, S. N. Nakamura, K. Suzuki, K. Tsukada, F. Yamamoto, H. Yamazaki

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A large-acceptance spectrometer, Neutral Kaon Spectrometer 2 (NKS2), was newly constructed to explore various photoproduction reactions in the gigaelectronvolt region at the Laboratory of Nuclear Science (LNS, currently ELPH), Tohoku University. The spectrometer consisted of a dipole magnet, drift chambers, and plastic scintillation counters. NKS2 was designed to separate pions and protons in a momentum range of less than 1 GeV/c, and was placed in a tagged photon beamline. A cryogenic H2/D2 target fitted to the spectrometer were designed. The design and performance of the detectors are described. The results of the NKS2 experiment on analyzing strangeness photoproduction data using a 0.8–1.1 GeV tagged photon beam are also presented.

Original languageEnglish
Pages (from-to)88-103
Number of pages16
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Publication statusPublished - 2018 Apr 1


  • Kaon
  • Magnetic spectrometer
  • Photonuclear reaction
  • Pion
  • Tagged photon


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