Analyses of Relativistic Optical Potential for Medium Energy Proton

FENG Da-Chun; LIU Wen-Qin; MA Zhong-Yu

Chinese Physics C> 1993, Vol. 17> Issue(4) : 372-378

Analyses of Relativistic Optical Potential for Medium Energy Proton

Institute of Atomic Energy,Beijing 102413

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Abstract：
The influence of the parameters of the relativistic optical potential on the nucleon scattering properties,such as cross sections,angular distributions and spin observables etc.,is studied based on a set of global Dirac phenomenological optical potentials.It is shown that,in contrast with the case at low energies.the total scattering cross sections vary slowly as the energy and weakly depend on the potentials at E_p<200MeV.The differential cross sections and spin observables depend not only on the volume integrals of the optical potentials,but also on their strengths and shapes.The applicability of the relativistic microscopic optical potentia based on Walecka model in the medium energy region is also discussed in this paper.

References

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FENG Da-Chun, LIU Wen-Qin and MA Zhong-Yu. Analyses of Relativistic Optical Potential for Medium Energy Proton[J]. Chinese Physics C, 1993, 17(4): 372-378.

FENG Da-Chun, LIU Wen-Qin and MA Zhong-Yu. Analyses of Relativistic Optical Potential for Medium Energy Proton[J]. Chinese Physics C, 1993, 17(4): 372-378. shu

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Received: 1900-01-01
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Analyses of Relativistic Optical Potential for Medium Energy Proton

Corresponding author: FENG Da-Chun,

Institute of Atomic Energy,Beijing 102413

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1993-04-05

Abstract: The influence of the parameters of the relativistic optical potential on the nucleon scattering properties,such as cross sections,angular distributions and spin observables etc.,is studied based on a set of global Dirac phenomenological optical potentials.It is shown that,in contrast with the case at low energies.the total scattering cross sections vary slowly as the energy and weakly depend on the potentials at E_p<200MeV.The differential cross sections and spin observables depend not only on the volume integrals of the optical potentials,but also on their strengths and shapes.The applicability of the relativistic microscopic optical potentia based on Walecka model in the medium energy region is also discussed in this paper.

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Analyses of Relativistic Optical Potential for Medium Energy Proton

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