Theoretical Studies on Electron Scattering of S and Si Isotopes

  • The binding energies and root-mean-square radii of 26—32S and 22—28Si are calculated by the relativistic mean-field model with two sets of parameters TM2 and NL-SH. The calculated results are in agreement with the experimental data. The calculated form factors and differential cross sections of electron scattering on 32S and 28Si by the Eikonal approximation agree with the experimental data. Further calculations on electron scattering of S and Si isotopes are carried out, and the sensitivity of form factors on charge density is discussed. The form factor of electron scattering on unstable nuclei can be accurately measured in the future electron-nucleus collider. The theoretical predictions would be valuable for future experiments.
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  • [1] . Tanihata I et al. Phys. Rev. Lett., 1985, 55: 26762. Kobayashi T et al. Phys. Rev. Lett., 1988, 60: 25993. Saint-Laurent M G et al. Z. Phys., 1989, A332: 4574. ZHANG Hu-Yong et al. Nucl. Phys., 2002, A707: 3035. LI Zhi-Hong et al. Phys. Lett., 2002, B527: 506. CAI Xiang-Zhou et al. Chin. Phys. Lett., 2002, 19: 10687. REN Zhong-Zhou et al. Phys. Lett., 1990, B252: 3118. CHEN Bao-Qiu. HEP NP, 1999, 23: 807(in Chinese)(陈高秋. 高能物理与核物理, 1999, 23: 807)9. LIU Z H, ZHANG X Z, ZHANG H Q. Phys. Rev., 2003, C68: 02430510. LIU Zu-Hua. Chin. Phys. Lett., 2002, 19: 107111. ZHOU Shu-Hua et al. Chin. Phys. Lett., 2002, 19: 106512. An International Accelerator Facility for Beams of Ions andAntiprotons. GSI Report, 200213. WANG Zai-Jun, REN Zhong-Zhou. HEP NP, 2005, 29(3): 245-249(in Chinese)(王再军, 任中洲. 高能物理与核物理, 2005, 29(3): 245-249)14. Gambhir Y K, Ring P, Thimet A. Ann. Phys.(N.Y.), 1990, 198: 13215. Horowitz C J, Serot B D. Nucl. Phys., 1981, A368: 50316. MA Zhong-Yu, SHI Hua-Lin, CHEN Bao-Qiu. Phys. Rev., 1994, C50: 317017. REN Zhong-Zhou, Mitting W, Sarazin F. Nucl. Phys., 1999, A652: 25018. Wallace S J et al. Ann. Phys., 1973, 78: 19019. Baker A. Phys. Rev., 1964, 134: B24020. Glauber R J. Lectures in Theoretical Physics(Vol.I) NewYork: Interscience Publishers, Inc., 195921. Donnelly T W, Sick I. Rev. Mod. Phys., 1984, 56: 46122. Audi G et al. Nucl. Phys., 2003, A729: 337-67623. REN Zhong-Zhou. In: Report of the Guang-Zhou Meetingof Mathematical and Physical Part of the National NaturalFoundation Committee. Guangzhou, 2005, 7(in Chinese)(任中洲. 见: 国家自然科学基金委数理学部广州会议上的报告. 广州, 2005, 7)24. Sick I, McCarthy J S. Nucl. Phys., 1970, A150: 63125. LI G C, Yearian M R, Sick I. Phys. Rev., 1974, C9: 186126. WANG Zai-Jun, REN Zhong-Zhou. Phys. Rev., 2005, C71: 054323
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Fan Ying and REN Zhong-Zhou. Theoretical Studies on Electron Scattering of S and Si Isotopes[J]. Chinese Physics C, 2006, 30(10): 983-987.
Fan Ying and REN Zhong-Zhou. Theoretical Studies on Electron Scattering of S and Si Isotopes[J]. Chinese Physics C, 2006, 30(10): 983-987. shu
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Received: 2006-01-17
Revised: 2006-02-23
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Theoretical Studies on Electron Scattering of S and Si Isotopes

    Corresponding author: REN Zhong-Zhou,
  • Department of Physics, Nanjing University, Nanjing 210008, China2 Center of Theoretical Nuclear Physics, National Laboratory of Heavy-Ion Accelerator, Lanzhou 730000, China

Abstract: The binding energies and root-mean-square radii of 26—32S and 22—28Si are calculated by the relativistic mean-field model with two sets of parameters TM2 and NL-SH. The calculated results are in agreement with the experimental data. The calculated form factors and differential cross sections of electron scattering on 32S and 28Si by the Eikonal approximation agree with the experimental data. Further calculations on electron scattering of S and Si isotopes are carried out, and the sensitivity of form factors on charge density is discussed. The form factor of electron scattering on unstable nuclei can be accurately measured in the future electron-nucleus collider. The theoretical predictions would be valuable for future experiments.

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