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Thermal neutron die-away times in large samples irradiated with a pulsed 14 MeV neutron source

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Abstract

In order to measure delayed gamma-rays without appreciable interferences of prompt gamma-rays, thermal neutron-die-away times in different large samples irradiated with 14 MeV pulsed neutrons at the MEDINA facility are studied. The die-away times are found to range between 2 and 5 ms according to the irradiated materials. For the acquisition of the delayed gamma-rays spectra a waiting time of about 12 ms after the end of the neutron pulses is needed.

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Authors and Affiliations

  1. Institute of Energy and Climate Research, Nuclear Waste Management and Reactor Safety, Forschungszentrum Jülich GmbH, 52425, Jülich, Germany

    Frank Mildenberger & Eric Mauerhofer

Authors
  1. Frank Mildenberger
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  2. Eric Mauerhofer
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Correspondence to Eric Mauerhofer.

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Mildenberger, F., Mauerhofer, E. Thermal neutron die-away times in large samples irradiated with a pulsed 14 MeV neutron source. J Radioanal Nucl Chem 307, 661–667 (2016). https://doi.org/10.1007/s10967-015-4178-2

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  • DOI: https://doi.org/10.1007/s10967-015-4178-2

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