Study of secondary neutron interactions with 232Th, 129I, and 127I nuclei with the uranium assembly "QUINTA" at 2, 4, and 8GeV deuteron beams of the JINR Nuclotron accelerator

J. Adam, V. V. Chilap, V. I. Furman, M. G. Kadykov, J. Khushvaktov, V. S. Pronskikh, A. A. Solnyshkin, V. I. Stegailov, M. Suchopar, V. M. Tsoupko-Sitnikov, S. I. Tyutyunnikov, J. Vrzalova, V. Wagner, L. Zavorka

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Abstract

The natural uranium assembly, "QUINTA", was irradiated with 2, 4, and 8GeV deuterons. The 232Th, 127I, and 129I samples have been exposed to secondary neutrons produced in the assembly at a 20-cm radial distance from the deuteron beam axis. The spectra of gamma rays emitted by the activated 232Th, 127I, and 129I samples have been analyzed and several tens of product nuclei have been identified. For each of those products, neutron-induced reaction rates have been determined. The transmutation power for the 129I samples is estimated. Experimental results were compared to those calculated with well-known stochastic and deterministic codes.

Original languageEnglish
Pages (from-to)225-233
Number of pages9
JournalApplied Radiation and Isotopes
Volume107
DOIs
StatePublished - Jan 1 2016
Externally publishedYes

Keywords

  • Accelerator driven system
  • Fission reactions
  • Transmutation

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