Double differential cross sections of light charged particle production for the n+238U reaction

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Hai-Rui Guo, Yin-Lu Han and Chong-Hai Cai. Double differential cross sections of light charged particle production for the n+238U reaction[J]. Chinese Physics C, 2018, 42(12): 124101. doi: 10.1088/1674-1137/42/12/124101
Hai-Rui Guo, Yin-Lu Han and Chong-Hai Cai. Double differential cross sections of light charged particle production for the n+238U reaction[J]. Chinese Physics C, 2018, 42(12): 124101.  doi: 10.1088/1674-1137/42/12/124101 shu
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Received: 2018-07-10
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    Supported by National Natural Science Foundation of China-NSAF (U1630122), IAEA Coordinated Research Projects (CRPs) on Recommended Input Parameter Library (RIPL) for Fission Cross Section Calculations (20464) and Science Challenge Project (TZ2018005)

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Double differential cross sections of light charged particle production for the n+238U reaction

    Corresponding author: Yin-Lu Han,
  • 1.  Institute of Applied Physics and Computational Mathematics, Beijing 100094, China
  • 2.  China Institute of Atomic Energy, P. O. Box 275(41), Beijing 102413, China
  • 3.  Department of Physics, Nankai University, Tianjin 300071, China
Fund Project:  Supported by National Natural Science Foundation of China-NSAF (U1630122), IAEA Coordinated Research Projects (CRPs) on Recommended Input Parameter Library (RIPL) for Fission Cross Section Calculations (20464) and Science Challenge Project (TZ2018005)

Abstract: Production of light complex particles from the n+238U reaction is analyzed with the exciton model including the improved Iwamoto-Harada pickup mechanism for the preequilibrium process. It is allowed that some of the nucleons forming the complex ejectile come from levels below the Fermi energy, and the intrinsic structure of the emitted particle is taken into account. The equilibrium-state emissions are also considered by using Hauser-Feshbach theory with the width fluctuation correction and the evaporation model. Moreover, all cross sections, angular distributions, energy spectra and double differential cross sections of neutron, proton, deuteron, triton and alpha emissions for the n+238U reaction are consistently calculated and analyzed with nuclear theoretical models in the energy range En ≤ 150 MeV. ENDF-formatted nuclear data including information about the production of light charged particles are obtained.

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