THE AFFECTION OF SIZE CHANGE OF<EM> α</EM> PARTICLE ON THE <EM>α-α</EM> SCATTERING

Chen Yong-shou; Zheng Yu-ming; Lu Zhao-qi

Chinese Physics C> 1980, Vol. 4> Issue(2) : 203-209

THE AFFECTION OF SIZE CHANGE OF α PARTICLE ON THE α-α SCATTERING

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Abstract：
This article gives an approach to the calculation of the scattering phase shift tak-mg into account the effect of the size change of scattering nuclei. As an example,we have calculated the phase shift of a-a scattering. Firstly, we calculate the sizechange of the a particle with the generator coordinate (the mean distance betweenthe two particles by the variations method based on the microscopic many body the-ory of the double well centre shell model, and secondly, calculate the phase shift byKohn variational method choosing such trial wave function so that we can use therelation of the GCM and the RGM. The results shows that there are considerable af-fection of the size change of the a particle on the phase shift and some improvementsfor the theoretical values of the phase shift has been obtained.

References

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Yoshihide Mito and Masayasu Kamimura, Prog. Theor. Phys., 56(1976).583[2] R. Beck, et aL, Nual. Phys., A244(1975), 58.[3] 陈永寿、卢兆启、巫光汉,高能物理与核物理,2(1978),267,[4] R. Tamagaki, Prog. Theor. Phye. Suppl. Extra Number (1968), 242.[5] S. A. Afzal et al., Rev. Mod. Phys., 41(1969), 247;D.J. Bredin et al, Proc. Roy. Sec., A251(1959),143.

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Chen Yong-shou, Zheng Yu-ming and Lu Zhao-qi. THE AFFECTION OF SIZE CHANGE OF α PARTICLE ON THE α-α SCATTERING[J]. Chinese Physics C, 1980, 4(2): 203-209.

Chen Yong-shou, Zheng Yu-ming and Lu Zhao-qi. THE AFFECTION OF SIZE CHANGE OF α PARTICLE ON THE α-α SCATTERING[J]. Chinese Physics C, 1980, 4(2): 203-209. shu

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Received: 1979-11-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

THE AFFECTION OF SIZE CHANGE OF α PARTICLE ON THE α-α SCATTERING

Received Date: 1979-11-01
Accepted Date: 1900-01-01
Available Online: 1980-04-05

Abstract: This article gives an approach to the calculation of the scattering phase shift tak-mg into account the effect of the size change of scattering nuclei. As an example,we have calculated the phase shift of a-a scattering. Firstly, we calculate the sizechange of the a particle with the generator coordinate (the mean distance betweenthe two particles by the variations method based on the microscopic many body the-ory of the double well centre shell model, and secondly, calculate the phase shift byKohn variational method choosing such trial wave function so that we can use therelation of the GCM and the RGM. The results shows that there are considerable af-fection of the size change of the a particle on the phase shift and some improvementsfor the theoretical values of the phase shift has been obtained.