Monte Carlo simulations of down-scattered neutron and knock-on deuteron spectra in deuterium-tritium capsule implosions |
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Authors: | Bin Zhao Jian Zheng |
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Institution: | Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, People''s Republic of China |
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Abstract: | A Monte Carlo particle tracking (MCPT) code has been developed and coupled to hydrodynamic simulations to generate and track primary and scattered neutrons in addition to scattered charged particles by post-processing. This code uses one dimensional (1-D) deuterium-tritium implosion profiles, and the computed down-scattered neutron and knock-on deuteron spectra are analyzed for different areal densities. The mixing effects on the spectra of down-scattered neutron and knock-on deuteron are also investigated. The implementation of the numerical scheme is analyzed, and the particle splitting technique is adopted, which is proven to efficiently reduce computational effort. |
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Keywords: | Inertial Confinement Fusion Deuterium-tritium fusion Knock-on Areal density |
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