Shell-model studies of the N=14 and 16 shell closures in neutron-rich nuclei

  • Shell-model studies on the N=14 and 16 shell closures in neutron-rich Be, C, O and Ne isotopes are presented. We calculate, with the WBT interaction, the excited states in these nuclei. The calculations agree with recent experiment data. Excited energies and B(E2) values are displayed to discuss the shell closures. Our results support the N=16 shell closure in these isotopes, while indicating a disappearance of N=14 shell closure in Be and C isotopes.
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  • [1] Brown B A. Prog. Part. and Nucl. Phys., 2001, 47: 5172 Osuka T et al. Phys. Rev. Letts., 2001, 87: 0825023 Belleguic M et al. Nucl. Phys. A, 2001, 682: 136c4 Stanoiu M et al. Phys. Rev. C, 2004, 69: 0343125 M. Stanoiu et al. Eur. Phys. J. A, 2004, 20: 956 Cortina-Gil D et al. Phys. Rev. Letts., 2004, 93: 0625017 Becheva E et al. Phys. Rev. Letts., 2006, 96: 0125018 Elekes Z et al. Phys. Rev. Letts., 2007, 98: 1025029 Schiller A et al. Phys. Rev. Letts., 2007, 99: 11250110 Ho man C R et al. Phys. Rev. Letts., 2008, 100: 15250211 Sohler D et al. Phys. Rev. C, 2008, 77: 04430312 Thiamova G et al. Eur. Phys. J. A, 2004, 22: 46113 Obertelli A et al. Phys. Rev. C, 2005, 71: 02430414 Umeya A et al. Phys. Rev. C, 2006, 74: 03433015 Lalazissis G A et al. Eur. Phys. J. A, 2004, 22: 3716 Sagawa H et al. Phys. Rev. C, 2004, 70: 05431617 Kanada-En'yo Y. Phys. Rev. C, 2005, 71: 01430318 QI Chong, XU Fu-Rong. Int. J. Mod. Phys. E, 2006, 15:156219 ZHANG Yu-Mei, XU Fu-Rong. Chin. Phys. Lett., 2006, 23:204620 LOU Jian-Ling et al. Phys. Rev. C, 2007, 75: 05730221 QI Chong, XU Fu-Rong. Nucl. Phys. A, 2008, 800: 4722 QI Chong, XU Fu-Rong. Modern Shell-Model Diagonaliza-tions with Realistic NN Forces. arXiv: nucl-th / 0701036(to be published in Chin. Phys. C)23 Warburton E K, Brown B A. Phys. Rev. C, 1992, 46: 92324 RAMAN S. At. Data Nucl. Data Tables, 2001, 78: 125 Sagawa H et al. Phys. Rev. C, 2001, 63: 06431026 Wiedeking M et al. Phys. Rev. Letts., 2008, 100: 152501
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YUAN Cen-Xi, QI Chong and XU Fu-Rong. Shell-model studies of the N=14 and 16 shell closures in neutron-rich nuclei[J]. Chinese Physics C, 2009, 33(S1): 55-57. doi: 10.1088/1674-1137/33/S1/018
YUAN Cen-Xi, QI Chong and XU Fu-Rong. Shell-model studies of the N=14 and 16 shell closures in neutron-rich nuclei[J]. Chinese Physics C, 2009, 33(S1): 55-57.  doi: 10.1088/1674-1137/33/S1/018 shu
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Received: 2008-10-22
Revised: 1900-01-01
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Shell-model studies of the N=14 and 16 shell closures in neutron-rich nuclei

    Corresponding author: YUAN Cen-Xi,

Abstract: Shell-model studies on the N=14 and 16 shell closures in neutron-rich Be, C, O and Ne isotopes are presented. We calculate, with the WBT interaction, the excited states in these nuclei. The calculations agree with recent experiment data. Excited energies and B(E2) values are displayed to discuss the shell closures. Our results support the N=16 shell closure in these isotopes, while indicating a disappearance of N=14 shell closure in Be and C isotopes.

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