28Si-Nucleon Scattering Analysis by the Coupled-Channel Optical Model with Dispersion Relation

  • The dispersion relation is included into the optical potential. Compared with the common coupled-channel optical model, the number of potential parameters is greatly reduced. The coupled-channel method based on the soft rotator model is used to analyze the nucleon scattering by a deformed 28Si nucleus. A set of the optical potential parameters is obtained, and the numerical results show a good agreement with the available experimental data of neutron total cross sections, neutron/proton elastic and inelastic angular distributions.
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ZHAI Chen-Yang, SUN Wei-Li, Efrem S and ZHANG Ben-Ai. 28Si-Nucleon Scattering Analysis by the Coupled-Channel Optical Model with Dispersion Relation[J]. Chinese Physics C, 2007, 31(3): 240-246.
ZHAI Chen-Yang, SUN Wei-Li, Efrem S and ZHANG Ben-Ai. 28Si-Nucleon Scattering Analysis by the Coupled-Channel Optical Model with Dispersion Relation[J]. Chinese Physics C, 2007, 31(3): 240-246. shu
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Received: 2006-05-08
Revised: 2006-06-30
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28Si-Nucleon Scattering Analysis by the Coupled-Channel Optical Model with Dispersion Relation

    Corresponding author: ZHAI Chen-Yang,
  • Graduate School, China Academy of Engineering Physics, Beijing 100088, China2 Institute of Applied Physics and Computational Mathematics, Beijing 100088, China3 Joint Institute for Energy and Nuclear Research, 220109, Minsk-Sosny, Belarus

Abstract: The dispersion relation is included into the optical potential. Compared with the common coupled-channel optical model, the number of potential parameters is greatly reduced. The coupled-channel method based on the soft rotator model is used to analyze the nucleon scattering by a deformed 28Si nucleus. A set of the optical potential parameters is obtained, and the numerical results show a good agreement with the available experimental data of neutron total cross sections, neutron/proton elastic and inelastic angular distributions.

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