Isospin Effect of Multifragmentation and Critical Phenomena in Finite Nuclei

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FENG Zhao-Qing, ZHANG Feng-Shou, HUANG Xi, JIN Gen-Ming and LI Wen-Fei. Isospin Effect of Multifragmentation and Critical Phenomena in Finite Nuclei[J]. Chinese Physics C, 2005, 29(6): 577-582.
FENG Zhao-Qing, ZHANG Feng-Shou, HUANG Xi, JIN Gen-Ming and LI Wen-Fei. Isospin Effect of Multifragmentation and Critical Phenomena in Finite Nuclei[J]. Chinese Physics C, 2005, 29(6): 577-582. shu
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Received: 2004-10-20
Revised: 1900-01-01
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Isospin Effect of Multifragmentation and Critical Phenomena in Finite Nuclei

    Corresponding author: FENG Zhao-Qing,
  • Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Accelerator,Lanzhou 730000,China2 Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China3 Institute of Low Energy Nuclear Physics,Beijing Normal University,Beijing 100875,China4 Department of Physics,Nanjing University,Nanjing 2100935 Graduate school,Chinese Academy of Sciences,Beijing 100049,China

Abstract: Isospin effect of multifragmentation for the finite nuclei 112Sn and 132Sn is studied by using a phenomenological asymmetric nuclear equation of state and an isospin dependent quantum molecular dynamics (IQMD) model. It is found that the isospin effect vanishes gradually with increasing temperature, Production mechanism of intermediate mass fragments is also analysed for different density distribution in coordinate space at a given temperature.Critical phenomena are investigated preliminarily by using correlation analysis of fragments.

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