RELATIVISTIC STUDY OF PROTON-NUCLEUS ELASTIC SCATTERING AT LOWER ENERGIES

LI Yang-Guo

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2024年10月30日

Chinese Physics C> 1989, Vol. 13> Issue(2) : 148-155

RELATIVISTIC STUDY OF PROTON-NUCLEUS ELASTIC SCATTERING AT LOWER ENERGIES

LI Yang-Guo ^,

Shantou University,Guang Dong

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Abstract：
The Lorentz invariant relativistic optical potential have been discussed at energies below 300MeV.The Dirac equation with scalar and vector potential is solved by exact partial wave method.The calculated results of proton ⁴⁰Ca at energy region 300—65MeV are presented and compared with the experimental data of differential cross section dσ/dΩ,analyzing power A_y(θ) and spin rotation function Q(θ).It is shown that the impoved relativistic optical potential fits the data well.

References

[1]

M. R. Anastasio, L. S. CeIenza, W. S. Pong and Shakin, Phys. Reporz, 100(1983), 327.[2] J. A. MeNeil, J. Shepard and S. J. Wallace, Phys. Rev, Lett, 50(1983), 1439, 1443.邱锡钧等，中国科学，A(1986),378及其引文.邱锡钧等，中国科学，A(1986),378及其引文.[3] B. C. Clark et al，Phys. Lett., 1228(1983), 211; Phys. Rev, Lett., 50(1983), 1644 and Private communma-tion; E. Rose et al，Phys. Rev., C35(1987), 2236; B. Aas et al，Phyr. Rev., C32(1985), 231.[4] 刘渊、李扬国，高能物理与核物理，11(1987),68. 李扬国，高能物理与核物理,11(1987),208.[5] B. C. Clark, et al，Phys. Rev., C28(1983), 1421.M. V. Hynes,et al，Phys. Rev. Lett., 52(1984), 978;A. M. Kobos, et al.Nucl. Phys., A445(1985),605.A. M. Kobos, et al.Nucl. Phys., A445(1985), 605.[6] A.J.Tion and S. J.Wallace, Phys. Rev., C32(J985), 267;[7] J. D. Bjorken and S. D. Drell，Relativistic Quantum Mechanies (New York 1964).[8] M.V. Hynes, et al，Phys. Rev，C31(1985), 1438.[9] L. G. Arnold et al.. Phys. Rev., C23(1981), 1949.E. Stevenson, Proceedings of 'Dirac Approaches to Nuclear Physics' Los Alamos (1985).H. Sakaguchi et al., J. Phys. Scc. Jpn. Suppl., 55(1986), 51 and private commmcacon.[10] 马中玉等，高能物理与核物理，待发表.

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[3]	Peng Hongan , Xu Jiasheng . New Progresses in Deep Inelastic Scattering in Small x Region. Chinese Physics C, 1999, 23(2): 142-150.
[4]	Tan Yuhong , Ning Pingzhi , Cai Chonghai . Intermediate Energy K⁺ Nucleus Elastic Scattering Optical Potential Parameters. Chinese Physics C, 1998, 22(12): 1136-1142.
[5]	Li Yangguo . Antiproton -Nucleus Charge Exchange Reaction and Inelastic Scattering. Chinese Physics C, 1996, 20(11): 1021-1027.
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[10]	LI Yang-Guo . SPIN OBSERVABLE IN ANTIPROTON-NUCLEUS ELASTIC SCATTERINGS. Chinese Physics C, 1989, 13(6): 539-543.
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[12]	MA Zhong-Yu , GU Ying-Qi , ZHU Ping , ZHOU Yi-Zhong . SYSTEMATICAL ANALYSES OF PROTON-NUCLEI SCATTERING WITH RELATIVISTIC MICROSCOPIC OPTICAL POTENTIAL. Chinese Physics C, 1988, 12(5): 635-643.
[13]	LIU Yuan , LI Yang-Guo . RELATIVISTIC DESCRIPTION OF PROTON-NUCLEUS ELASTIC SCATTERING AT HIGH ENERGIES. Chinese Physics C, 1987, 11(1): 68-77.
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[18]	Zhao Shu-ping . CALCULATION OF THE ELASTIC-SCATTERING CROSS-SECTION OF ENERGETIC ELECTRON BY ⁴⁰Ca NUCLEUS IN CONSIDERATION OF THE INFLUENCE OF“PION CONDENSATION”. Chinese Physics C, 1980, 4(5): 569-575.
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[20]	MA WEI-XING , LI YANG-GUO . ELASTIC AND INELASTIC π-NUCLEAR SCATTERING. Chinese Physics C, 1979, 3(2): 203-209.

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LI Yang-Guo. RELATIVISTIC STUDY OF PROTON-NUCLEUS ELASTIC SCATTERING AT LOWER ENERGIES[J]. Chinese Physics C, 1989, 13(2): 148-155.

LI Yang-Guo. RELATIVISTIC STUDY OF PROTON-NUCLEUS ELASTIC SCATTERING AT LOWER ENERGIES[J]. Chinese Physics C, 1989, 13(2): 148-155. shu

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Received: 1900-01-01
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

RELATIVISTIC STUDY OF PROTON-NUCLEUS ELASTIC SCATTERING AT LOWER ENERGIES

LI Yang-Guo ^,

Corresponding author: LI Yang-Guo,

Shantou University,Guang Dong

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-02-05

Abstract: The Lorentz invariant relativistic optical potential have been discussed at energies below 300MeV.The Dirac equation with scalar and vector potential is solved by exact partial wave method.The calculated results of proton ⁴⁰Ca at energy region 300—65MeV are presented and compared with the experimental data of differential cross section dσ/dΩ,analyzing power A_y(θ) and spin rotation function Q(θ).It is shown that the impoved relativistic optical potential fits the data well.