Chin. Phys. Lett.  2010, Vol. 27 Issue (9): 092101    DOI: 10.1088/0256-307X/27/9/092101
NUCLEAR PHYSICS |
Effects of Pairing Correlations on Formation of Proton Halo in 9C

HAN Rui1, LI Jia-Xing1, YAO Jiang-Ming1, JI Juan-Xia1, WANG Jian-Song2, HU Qiang2

1School of Physical Science and Technology, Southwest University, Chongqing 400715 2Institute of Modern Physics, Chinese Academy of Science, Lanzhou 730000
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HAN Rui, LI Jia-Xing, YAO Jiang-Ming et al  2010 Chin. Phys. Lett. 27 092101
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Abstract

Properties for the ground state of 9C are studied in the relativistic continuum Hartree-Bogoliubov theory with the NLSH, NLLN and TM2 effective interactions. Pairing correlations are taken into account by a density-dependent δ-force with the pairing strength for protons determined by fitting either to the experimental binding energy or to the odd-even mass difference from the five-point formula. The effects of pairing correlations on the formation of proton halo in the ground state of 9C are examined. The halo structure is shown to be formed by the partially occupied valence proton levels p3/2 and p1/2.

Keywords: 21.10.Dr      21.10.Gv      21.60.Jz      27.20.+n     
Received: 27 April 2010      Published: 25 August 2010
PACS:  21.10.Dr (Binding energies and masses)  
  21.10.Gv (Nucleon distributions and halo features)  
  21.60.Jz (Nuclear Density Functional Theory and extensions (includes Hartree-Fock and random-phase approximations))  
  27.20.+n (6 ≤ A ≤ 19)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/27/9/092101       OR      https://cpl.iphy.ac.cn/Y2010/V27/I9/092101
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HAN Rui
LI Jia-Xing
YAO Jiang-Ming
JI Juan-Xia
WANG Jian-Song
HU Qiang
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