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Volume 32 Issue 2
Jun.  2015
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LIN Weiping, LIU Xingquan, HUANG Meirong, ZHANG Suyalatu, CHEN Zhiqiang, WANG Jiansong, HAN Rui, LIU Jianli, REN Peipei, SHI Fudong, Roy Wada. Freeze-out Concept in Antisymmetrized Molecular Dynamics[J]. Nuclear Physics Review, 2015, 32(2): 170-174. doi: 10.11804/NuclPhysRev.32.02.170
Citation: LIN Weiping, LIU Xingquan, HUANG Meirong, ZHANG Suyalatu, CHEN Zhiqiang, WANG Jiansong, HAN Rui, LIU Jianli, REN Peipei, SHI Fudong, Roy Wada. Freeze-out Concept in Antisymmetrized Molecular Dynamics[J]. Nuclear Physics Review, 2015, 32(2): 170-174. doi: 10.11804/NuclPhysRev.32.02.170

Freeze-out Concept in Antisymmetrized Molecular Dynamics

doi: 10.11804/NuclPhysRev.32.02.170
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2015-06-20
  • As a part of statistical freeze-out study in antisymmetrized molecular dynamics (AMD), an analysis of 112Sn+112Sn at 50 MeV/nucleon is presented. Using the self-consistent method combined with the Modified Fisher model, the fragmenting source density, ρ/ρ0=0.69±0.03, temperature, T =(6.1±0.2)MeV, are extracted. By comparing the maximum density in the system during the time evolution of AMD calculation, a significantly lower density is found for the fragmenting source density. The extracted
    fragmenting source density and temperature are very similar to those for 40Ca + 40Ca at 35 MeV/nucleon and 64Zn + 112Sn at 40 MeV/nucleon. These indicate that there is a common statistical freeze-out volume at the time of the formation of intermediate mass fragments (IMFs) in AMD transport model.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Freeze-out Concept in Antisymmetrized Molecular Dynamics

doi: 10.11804/NuclPhysRev.32.02.170

Abstract: As a part of statistical freeze-out study in antisymmetrized molecular dynamics (AMD), an analysis of 112Sn+112Sn at 50 MeV/nucleon is presented. Using the self-consistent method combined with the Modified Fisher model, the fragmenting source density, ρ/ρ0=0.69±0.03, temperature, T =(6.1±0.2)MeV, are extracted. By comparing the maximum density in the system during the time evolution of AMD calculation, a significantly lower density is found for the fragmenting source density. The extracted
fragmenting source density and temperature are very similar to those for 40Ca + 40Ca at 35 MeV/nucleon and 64Zn + 112Sn at 40 MeV/nucleon. These indicate that there is a common statistical freeze-out volume at the time of the formation of intermediate mass fragments (IMFs) in AMD transport model.

LIN Weiping, LIU Xingquan, HUANG Meirong, ZHANG Suyalatu, CHEN Zhiqiang, WANG Jiansong, HAN Rui, LIU Jianli, REN Peipei, SHI Fudong, Roy Wada. Freeze-out Concept in Antisymmetrized Molecular Dynamics[J]. Nuclear Physics Review, 2015, 32(2): 170-174. doi: 10.11804/NuclPhysRev.32.02.170
Citation: LIN Weiping, LIU Xingquan, HUANG Meirong, ZHANG Suyalatu, CHEN Zhiqiang, WANG Jiansong, HAN Rui, LIU Jianli, REN Peipei, SHI Fudong, Roy Wada. Freeze-out Concept in Antisymmetrized Molecular Dynamics[J]. Nuclear Physics Review, 2015, 32(2): 170-174. doi: 10.11804/NuclPhysRev.32.02.170

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