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<p>This article introduces the methodologies and instrumentation for data measurement and propagation at the Back-n white neutron facility of the China Spallation Neutron Source. The Back-n facility employs backscattering techniques to generate a broad spectrum of white neutrons. Equipped with advanced detectors such as the light particle detector array and the fission ionization chamber detector, the facility achieves high-precision data acquisition through a general-purpose electronics system. Data were managed and stored in a hierarchical system supported by the National High Energy Physics Science Data Center, ensuring long-term preservation and efficient access. The data from the Back-n experiments significantly contribute to nuclear physics, reactor design, astrophysics, and medical physics, enhancing the understanding of nuclear processes and supporting interdisciplinary research.</p>

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Nuclear data measurement and propagation in Back-n experiments: methodologies and instrumentation

  • 期刊论文

  • 发表日期：

    2025年8月14日

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  • Min-Hao Gu,
  • Jie-Ming Xue,
  • Ya-Kang Li,
  • Ping Cao,
  • Jie Ren,
  • Yong-Hao Chen,
  • Wei Jiang,
  • Han Yi,
  • Peng Hu,
  • Rui-Rui Fan

摘要

This article introduces the methodologies and instrumentation for data measurement and propagation at the Back-n white neutron facility of the China Spallation Neutron Source. The Back-n facility employs backscattering techniques to generate a broad spectrum of white neutrons. Equipped with advanced detectors such as the light particle detector array and the fission ionization chamber detector, the facility achieves high-precision data acquisition through a general-purpose electronics system. Data were managed and stored in a hierarchical system supported by the National High Energy Physics Science Data Center, ensuring long-term preservation and efficient access. The data from the Back-n experiments significantly contribute to nuclear physics, reactor design, astrophysics, and medical physics, enhancing the understanding of nuclear processes and supporting interdisciplinary research.