Np-237 incineration study in various beams in ADS setup QUINTA

• Main Authors: Kilim Stanisław, Strugalska-Gola Elżbieta, Szuta Marcin, Bielewicz Marcin, Tyutyunnikov Sergej I., Furman Walter I., Adam Jindra, Stegailov Vladimir I.
• Format: Article
• Language: English
• Published: Sciendo 2018-03-01
• Series: Nukleonika
• Subjects: np-237; accelerator-driven system (ads); gamma-ray spectrometry; fission; neutron capture
• Online Access: https://doi.org/10.1515/nuka-2018-0003

Neptunium-237 samples were irradiated in a spallation neutron field produced in accelerator-driven system (ADS) setup QUINTA. Five experiments were carried out on the accelerators at the JINR in Dubna - one in carbon (C6+), three in deuteron, and one in a proton beam. The energy in carbon was 24 GeV, in deuteron 2, 4 and 8 GeV, respectively, and 660 MeV in the proton beam. The incineration study method was based on gamma-ray spectrometry. During the analysis of the spectra several fission products and one actinide were identified. Fission product activities yielded the number of fissions. The actinide (Np-238), a result of neutron capture by Np-237, yielded the number of captures. The main goal of this work was to find out if and how the incineration rate depended on parameters of the accelerator beam.