Chin. Phys. Lett.  2003, Vol. 20 Issue (3): 354-357    DOI:
Original Articles |
Total Reaction Cross Section in an Isospin-Dependent Quantum Molecular Dynamics Model
WEI Yi-Bin1;CAI Xiang-Zhou1;SHEN Wen-Qing1,2,3;MA Yu-Gang1,2;ZHANG Hu-Yong1;ZHONG Chen1;GUO Wei1;CHEN Jin-Gen1;MA Guo-Liang1;WANG Kun1
1Shanghai Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai 201800 2CCAST (World Laboratory), PO Box 8730, Beijing 100080 3Department of Physics, Ningbo University, Ningbo 315211
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WEI Yi-Bin, CAI Xiang-Zhou, SHEN Wen-Qing et al  2003 Chin. Phys. Lett. 20 354-357
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Abstract The isospin-dependent quantum molecular dynamics (IDQMD) model is used to study the total reaction cross section σR. The energy-dependent Pauli volumes of neutrons and protons have been discussed and introduced into the IDQMD calculation to replace the widely used energy-independent Pauli volumes. The modified IDQMD calculation can reproduce the experimental σR well for both stable and exotic nuclei induced reactions. Comparisons of the calculated σR induced by 11Li with different initial density distributions have been performed. It is shown that the calculation by using the experimentally deduced density distribution with a long tail can fit the experimental excitation function better than that by using the Skyrme-Hartree-Fock calculated density without long tails. It is also found that σR at high energy is sensitive to the long tail of density distribution.
Keywords: 24.10.Cn      25.60.Dz      21.10.Gv      27.20.+n     
Published: 01 March 2003
PACS:  24.10.Cn (Many-body theory)  
  25.60.Dz (Interaction and reaction cross sections)  
  21.10.Gv (Nucleon distributions and halo features)  
  27.20.+n (6 ≤ A ≤ 19)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I3/0354
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WEI Yi-Bin
CAI Xiang-Zhou
SHEN Wen-Qing
MA Yu-Gang
ZHANG Hu-Yong
ZHONG Chen
GUO Wei
CHEN Jin-Gen
MA Guo-Liang
WANG Kun
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