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Microscopic description of proton-induced spallation reactions with the constrained molecular dynamics (CoMD) model
Authors
A. Assimakopoulou Souliotis, G.A. Bonasera, A. Botvina, A. Nicolis, N.G. Veselsky, M.
Publication date
1 January 2019
Publisher
Abstract
We studied the complete dynamics of the proton-induced spallation process with the microscopic framework of the constrained molecular dynamics (CoMD) model. We performed calculations of proton-induced spallation reactions on 181Ta, 208Pb, and 238U targets with the CoMD model and compared the results with a standard two-step approach based on an intranuclear cascade model followed by a statistical deexcitation model. The calculations were also compared with recent experimental data from the literature. Our calculations showed agreement with some aspects of the experimental data and suggest further improvements in the models. We point out that this CoMD study represents the first complete dynamical description of spallation reactions with a microscopic N-body approach and may lead to advancements in the physics-based modeling of the spallation process. © 2019 IOP Publishing Ltd
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Last time updated on 10/02/2023