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Sökning: WFRF:(Bevilacqua Riccardo 1974 ) > Konferensbidrag

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  • Bevilacqua, Riccardo, 1974-, et al. (författare)
  • Light-ion production in the interaction of 175 MeV neutrons with iron and bismuth
  • 2011
  • Ingår i: Journal of Korean Physical Society.
  • Konferensbidrag (refereegranskat)abstract
    • We have measured double-differential (angle and energy) cross sections for light-ion (p, d, t, 3He and α) production in the interaction of quasi-monoenergetic 175 MeV neutrons with iron and bismuth. Measurements have been performed at the The Svedberg Laboratory, Uppsala (Sweden), using the Medley setup which allows low-energy thresholds and wide energy and angular ranges. Medley is a spectrometer system consisting of eight three-element telescopes placed at angles from 20◦ to 160◦, in steps of 20◦. Each telescope is composed of two silicon surface barrier detectors and a CsI(Tl) scintillator, to perform particle identification,fully stop the produced light-ions and measure their kinetic energy. The time-of-flight was used to reduce the contribution from the low energy tail in the accepted incident neutron spectrum. We report double-differential production cross sections for protons, deuterons, tritons, 3He and α particles and compare them with model calculations with TALYS-1.2.
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  • Bevilacqua, Riccardo, 1974- (författare)
  • New neutron data measurements at 175 MeV for Accelerator Driven Systems
  • 2011
  • Ingår i: Proceedings of the 2011 International Congress on Advances in Nuclear Power Plants. ; , s. 2828-2834
  • Konferensbidrag (refereegranskat)abstract
    • We have compared TALYS, MCNP6 and quantum molecular dynamics model calculations with preliminary light-ion production data in the interaction of 175 MeV quasi-monoenergetic neutrons with Fe and Bi. Data were measured with the Medley setup at the The Svedberg Laboratory, in Uppsala – Sweden. These are the first neutron induced light-ion production data available in the 100 to 200 MeV energy region; these data are relevant for the development of accelerator-driven system technologies, and are needed to ensure a link between high and low energy processes. Model calculations are consistent with some results, but at the moment no code is able to fully predict  all the experimental data. Our results show the need of further investigation of neutron-induced reactions in this energy region, in particular to study the production of composite light ions.
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  • Resultat 1-7 av 7

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