Chinese Physics C > 1992, Vol. 16 > Issue(S1): 73-81

A Study of the Relativistic Microscopic Optical Potential Based on the Relativistic Brueckner-Bethe-Goldstone Equation

China Institute of Atomic Energy, Beijing, China

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Abstract：
A relativistic microscopic nucleon-nucleus optical potential is derived from the relativistic Brueckner-Bethe-Goldstone (RBBG) equation. The complex effective mass of a nucleon is determined by a fit to the scattering data for P- ⁴⁰Ca at 200 MeV, The relativistic microscopic optical potentials with this effective mass are obtained from the RBBG equation for P- ¹⁶O, ⁴⁰Ca, ⁴⁰Zr, ²⁰⁸Pb scatterings in the energy range from 160 to 800 MeV. The microscopic optical potential is used to study the P- ⁴⁰Ca scattering problem at 200 MeV. The results, such as differential cross section, analyzing power and spin rotation function, are compared with those calculated from the phenomenological relativistic potentials.

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Chen Baoqiu and Ma Zhongyu. A Study of the Relativistic Microscopic Optical Potential Based on the Relativistic Brueckner-Bethe-Goldstone Equation[J]. Chinese Physics C, 1992, 16(S1): 73-81.

Chen Baoqiu and Ma Zhongyu. A Study of the Relativistic Microscopic Optical Potential Based on the Relativistic Brueckner-Bethe-Goldstone Equation[J]. Chinese Physics C, 1992, 16(S1): 73-81. shu

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Received: 1991-05-24

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

A Study of the Relativistic Microscopic Optical Potential Based on the Relativistic Brueckner-Bethe-Goldstone Equation

Chen Baoqiu
Ma Zhongyu

China Institute of Atomic Energy, Beijing, China

Received Date:1991-05-24

Fund Project:Supported by the National Natural Science Foundation of China.

Abstract:A relativistic microscopic nucleon-nucleus optical potential is derived from the relativistic Brueckner-Bethe-Goldstone (RBBG) equation. The complex effective mass of a nucleon is determined by a fit to the scattering data for P-⁴⁰Ca at 200 MeV, The relativistic microscopic optical potentials with this effective mass are obtained from the RBBG equation for P-¹⁶O,⁴⁰Ca,⁴⁰Zr,²⁰⁸Pb scatterings in the energy range from 160 to 800 MeV. The microscopic optical potential is used to study the P-⁴⁰Ca scattering problem at 200 MeV. The results, such as differential cross section, analyzing power and spin rotation function, are compared with those calculated from the phenomenological relativistic potentials.