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

Hai-Rui Guo; Yin-Lu Han; Chong-Hai Cai

doi:10.1088/1674-1137/42/12/124101

Chinese Physics C> 2018, Vol. 42> Issue(12) : 124101 DOI: 10.1088/1674-1137/42/12/124101

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

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

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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 E_n ≤ 150 MeV. ENDF-formatted nuclear data including information about the production of light charged particles are obtained.
- light charged particle production ,
- nuclear reaction theoretical model ,
- n+238U reaction ,
- nuclear data at En150 MeV

References

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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

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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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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2018-07-10

Available Online: 2018-12-05

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 E_n ≤ 150 MeV. ENDF-formatted nuclear data including information about the production of light charged particles are obtained.

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

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

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

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

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