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Neutron and light-charged-particle productions in proton-induced reactions on $^{208}$Pb at 62.9 MeV

Abstract : Neutrons and light charged particles produced in 62.9MeV proton-induced reactions on 208Pb were measured during a single experiment performed at the CYCLONE facility in Louvain-la-Neuve (Belgium). Two independent experimental set-ups were used to extract double differential cross-sections for neutrons, protons, deuterons, tritons, 3He and alpha-particles. Charged particles were detected using a set of Si- Si- CsI telescopes from 25° to 155°, by step of 10 degrees. Neutrons were measured using shielded DeMoN counters, liquid NE213 scintillators, at 24°, 35°, 55°, 80° and 120°. These data allowed the determination of angle differential, energy differential and total production cross-sections. A comparison with theoretical calculations (MCNPX, FLUKA and TALYS) has been performed. It shows that the neutron and proton production rates are well predicted by MCNPX, using the INCL4 option. All the other codes underestimate the neutron production whereas they overestimate the proton one. For composite particles, which represent 17% of the charged particle total reaction cross-section, neither the shape nor the amplitude of the cross-sections are correctly predicted by the models.
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Contributor : Sandrine Guesnon <>
Submitted on : Tuesday, February 8, 2005 - 9:17:26 AM
Last modification on : Friday, January 17, 2020 - 10:56:02 AM

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Arnaud Guertin, N. Marie, S. Auduc, V. Blideanu, Th. Delbar, et al.. Neutron and light-charged-particle productions in proton-induced reactions on $^{208}$Pb at 62.9 MeV. European Physical Journal A, EDP Sciences, 2005, 23, pp.49-60. ⟨10.1140/epja/i2004-10073-1⟩. ⟨in2p3-00023692⟩



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