Proton spectroscopic factor of the 12C ground state from the 12C(11B,12C)11B elastic transfer reaction

E. T. Li (李二涛), Z. H. Li (李志宏), Y. J. Li (李云居), B. Guo (郭冰), Y. B. Wang (王友宝), D. Y. Pang (庞丹阳), J. Su (苏俊), S. Q. Yan (颜胜权), S. Zeng (曾晟), L. Gan (甘林), Z. C. Li (李志常), J. C. Liu (刘建成), X. X. Bai (白希祥), Z. D. Wu (吴志丹), S. J. Jin (金孙均), L. Y. Zhang (张立勇), X. Q. Yu (于祥庆), L. Li (李龙), H. B. Sun (孙慧斌), G. Lian (连钢), Q. W. Fan (樊启文), and W. P. Liu (柳卫平)
Phys. Rev. C 90, 067601 – Published 22 December 2014

Abstract

The angular distributions of the 12C(11B,11B)12C and 12C(11B,12C)11B reactions have been measured at an incident energy of 50 MeV by using the high resolution Q3D magnetic spectrometer of the HI-13 tandem accelerator at China Institute of Atomic Energy, Beijing. The optical potential parameters of the 11B+12C system are determined by fitting the angular distribution of the elastic scattering and then used to predict the cross sections of the elastic transfer reaction leading to the ground state in 12C based on distorted-wave Born approximation (DWBA) analysis. Taking into account the interference between the elastic scattering and the elastic transfer processes, the proton spectroscopic factor of the 12C ground state is extracted to be 2.15 ± 0.23 by constraining the geometrical parameters r0 and a using the rms radius of the valence proton in the 12C ground state.

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  • Received 8 August 2014
  • Revised 30 September 2014

DOI:https://doi.org/10.1103/PhysRevC.90.067601

©2014 American Physical Society

Authors & Affiliations

E. T. Li (李二涛)1, Z. H. Li (李志宏)2,*, Y. J. Li (李云居)2, B. Guo (郭冰)2, Y. B. Wang (王友宝)2, D. Y. Pang (庞丹阳)3,4, J. Su (苏俊)2, S. Q. Yan (颜胜权)2, S. Zeng (曾晟)2, L. Gan (甘林)2, Z. C. Li (李志常)2, J. C. Liu (刘建成)2, X. X. Bai (白希祥)2, Z. D. Wu (吴志丹)2, S. J. Jin (金孙均)2, L. Y. Zhang (张立勇)5, X. Q. Yu (于祥庆)5, L. Li (李龙)5, H. B. Sun (孙慧斌)1, G. Lian (连钢)2, Q. W. Fan (樊启文)2, and W. P. Liu (柳卫平)2

  • 1College of Physics Science and Technology, Shenzhen University, Shenzhen 518060, China
  • 2China Institute of Atomic Energy, P.O. Box 275(10), Beijing 102413, China
  • 3School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
  • 4International Research Center for Nuclei and Particles in the Cosmos, Beihang University, Beijing 100191, China
  • 5Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

  • *zhli@ciae.ac.cn

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Vol. 90, Iss. 6 — December 2014

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