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<p>A novel in-core fast neutron irradiation facility was designed and tested for pneumatic transfer capability, installed in a TRIGA Mark II research reactor. Experimental evaluation of the facility was conducted to verify modeling conclusions that the facility is both compatible with operation at full reactor power (nominally 900&#xa0;kW) and capable of approximating a Watt fission neutron energy spectrum with a total flux of 5.17 × 10<sup>12</sup> n/cm<sup>2</sup>s. The driver to develop this facility was to measure short-lived fission product yields via cyclic irradiations and gamma-gamma coincidence spectroscopy.</p>

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Experimental characterization of an in-core fast neutron irradiation facility at a TRIGA reactor

  • 期刊论文

  • 发表日期：

    2026年1月27日

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  • Sarah T. Castro,
  • Kohlton D. Mathis,
  • Khiloni A. Shah,
  • Brandon A. De Luna,
  • Joseph L. Lapka,
  • Derek A. Haas

摘要

A novel in-core fast neutron irradiation facility was designed and tested for pneumatic transfer capability, installed in a TRIGA Mark II research reactor. Experimental evaluation of the facility was conducted to verify modeling conclusions that the facility is both compatible with operation at full reactor power (nominally 900 kW) and capable of approximating a Watt fission neutron energy spectrum with a total flux of 5.17 × 1012 n/cm2s. The driver to develop this facility was to measure short-lived fission product yields via cyclic irradiations and gamma-gamma coincidence spectroscopy.