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Comparison of fast neutron rates for the NEOS experiment

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Abstract

The fast neutron rates are compared at the site of the NEOS (Neutrino Experiment Oscillation Short baseline) experiment, a short-baseline neutrino experiment located in a tendon gallery of a commercial nuclear power plant using a 0.78-liter liquid scintillator detector. A pulse shape discrimination technique is used to identify neutron signals. The measurements are performed during the nuclear reactor-on and -off periods, and the fast neutron rates are found to be consistent with each other. The fast neutron rate is also measured at an overground site with a negligible overburden and is found to be ~ 100 times higher than that at the site of the NEOS experiment.

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Authors and Affiliations

  1. Department of Physics, Chung-Ang University, Seoul, 06974, Korea

    Y. J. Ko, C. H. Jang & Kim Siyeon

  2. Department of Physics and Astronomy, Sejong University, Seoul, 05006, Korea

    J. Y. Kim, H. S. Kim, K. M. Seo & Y. D. Kim

  3. Neutron Science Division, Korea Atomic Energy Research Institute, Daejeon, 34057, Korea

    B. Y. Han & G. M. Sun

  4. Center for Underground Physics, Institute for Basic Science, Daejeon, 34047, Korea

    E. J. Jeon, Jaison Lee, M. H. Lee, Y. M. Oh, K. S. Park, Y. D. Kim & H. K. Park

  5. Department of Physics, Chonnam National University, Gwangju, 61186, Korea

    K. K. Joo & B. R. Kim

  6. Department of Physics, Kyungpook National University, Daegu, 41566, Korea

    H. J. Kim & J. Y. Lee

  7. University of Science and Technology, Daejeon, 34113, Korea

    Y. D. Kim & H. K. Park

  8. Korea Research Institute of Standards and Science, Daejeon, 34113, Korea

    H. S. Park

Authors
  1. Y. J. Ko
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  2. C. H. Jang
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  3. Kim Siyeon
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  4. J. Y. Kim
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  5. H. S. Kim
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  6. K. M. Seo
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  7. B. Y. Han
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  8. G. M. Sun
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  9. E. J. Jeon
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  10. Jaison Lee
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  11. M. H. Lee
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  12. Y. M. Oh
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  13. K. S. Park
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  14. K. K. Joo
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  15. B. R. Kim
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  16. H. J. Kim
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  17. J. Y. Lee
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  18. Y. D. Kim
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  19. H. K. Park
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  20. H. S. Park
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Corresponding author

Correspondence to H. S. Kim.

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Ko, Y.J., Jang, C.H., Siyeon, K. et al. Comparison of fast neutron rates for the NEOS experiment. Journal of the Korean Physical Society 69, 1651–1655 (2016). https://doi.org/10.3938/jkps.69.1651

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  • DOI: https://doi.org/10.3938/jkps.69.1651

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