Light-Ion Production in the Interaction of 175 MeV Neutrons with Iron and Bismuth

Abstract : We have measured double-differential (angle and energy) cross sections for light-ion (p, d, t, (3)He, and a) 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 degrees to 160 degrees, in steps of 20 degrees. 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, (3)He and alpha particles and compare them with model calculations with TALYS-1.2.
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Submitted on : Thursday, November 17, 2011 - 2:06:35 PM
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R. Bevilacqua, S. Pomp, V.D. Simutkin, U. Tippawan, M. Hayashi, et al.. Light-Ion Production in the Interaction of 175 MeV Neutrons with Iron and Bismuth. Journal of the Korean Physical Society, Korean physical society, 2011, 59, pp.1701-1704. ⟨10.3938/jkps.59.1701⟩. ⟨in2p3-00642133⟩

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