Nuclear longitudinal form factors for axially deformed charge distributions expanded by nonorthogonal basis functions

  • In this paper, the nuclear longitudinal form factors are systematically studied from the intrinsic charge multipoles. For axially deformed nuclei, two different types of density profiles are used to describe their charge distributions. For the same charge distributions expanded with different basis functions, the corresponding longitudinal form factors are derived and compared with each other. Results show the multipoles Cλ of longitudinal form factors are independent of the basis functions of charge distributions. Further numerical calculations of longitudinal form factors of 12C indicates that the C0 multipole reflects the contributions of spherical components of all nonorthogonal basis functions. For deformed nuclei, their charge RMS radii can also be determined accurately by the C0 measurement. The studies in this paper examine the model-independent properties of electron scattering, which are useful for interpreting electron scattering experiments on exotic deformed nuclei.
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Jian Liu, Jinjuan Zhang, Chang Xu and Zhongzhou Ren. Nuclear longitudinal form factors for axially deformed charge distributions expanded by nonorthogonal basis functions[J]. Chinese Physics C, 2017, 41(5): 054101. doi: 10.1088/1674-1137/41/5/054101
Jian Liu, Jinjuan Zhang, Chang Xu and Zhongzhou Ren. Nuclear longitudinal form factors for axially deformed charge distributions expanded by nonorthogonal basis functions[J]. Chinese Physics C, 2017, 41(5): 054101.  doi: 10.1088/1674-1137/41/5/054101 shu
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Received: 2016-11-22
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    Supported by National Natural Science Foundation of China (11505292, 11175085, 11575082, 11235001, 11275138, and 11447226), by Shandong Provincial Natural Science Foundation, China (BS2014SF007), Fundamental Research Funds for Central Universities (15CX02072A).

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Nuclear longitudinal form factors for axially deformed charge distributions expanded by nonorthogonal basis functions

    Corresponding author: Jian Liu,
  • 1.  College of Science, China University of Petroleum (East China), Qingdao 266580, China
  • 2.  College of Electronic, Communication and Physics, Shandong University of Science and Technology,Qingdao 266590, China
  • 3.  Department of Physics and Key Laboratory of Modern Acoustics, Nanjing University, Nanjing 210093, China
  • 4. Department of Physics and Key Laboratory of Modern Acoustics, Nanjing University, Nanjing 210093, China
  • 5. Center of Theoretical Nuclear Physics, National Laboratory of Heavy-Ion Accelerator, Lanzhou 730000, China
Fund Project:  Supported by National Natural Science Foundation of China (11505292, 11175085, 11575082, 11235001, 11275138, and 11447226), by Shandong Provincial Natural Science Foundation, China (BS2014SF007), Fundamental Research Funds for Central Universities (15CX02072A).

Abstract: In this paper, the nuclear longitudinal form factors are systematically studied from the intrinsic charge multipoles. For axially deformed nuclei, two different types of density profiles are used to describe their charge distributions. For the same charge distributions expanded with different basis functions, the corresponding longitudinal form factors are derived and compared with each other. Results show the multipoles Cλ of longitudinal form factors are independent of the basis functions of charge distributions. Further numerical calculations of longitudinal form factors of 12C indicates that the C0 multipole reflects the contributions of spherical components of all nonorthogonal basis functions. For deformed nuclei, their charge RMS radii can also be determined accurately by the C0 measurement. The studies in this paper examine the model-independent properties of electron scattering, which are useful for interpreting electron scattering experiments on exotic deformed nuclei.

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