Study of the Structure Effect in Fragment Formation Process in HIC

Liu Hang; Liu Jianye; Li Junqing

Chinese Physics C> 1996, Vol. 20> Issue(8) : 723-728

Study of the Structure Effect in Fragment Formation Process in HIC

Institute of Modem Physics, The Chinese Academy of Sciences, Lanzhou 730000

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Abstract：
Based on usual QMD, by considering restructured aggregation model, neutron and proton disdinghshing, description of the fermionic behavior of nucleons and frictional cooling method, a new kind of MQMD is proposed. The distribution and time stability of some isotopes in reaction ¹²C+¹²C at E_lab=28.7MeV/u are studied by this model. The results show that this new MQMD can well describe the structure effect in the fragment formation in HIC.

References

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LWilets et al,Nucl.Phys,A282（1977）341[2]CDorso et al,Phys.Lett,B188（1987）287[3]GPeilert et al.,Phys.Lett,B260（1991）271[4]J.Aichelin et al,Phys.Rev.,C37（1988）2451[5]CNgo et al,Nucl.Phys.,A499（1989）148.[6]H.Feldmeier,Nucl.Phys,A515（1990）147[7]AkiraONO et al,Progress of Theoretical Physics,87（1992）1185[8]DH.Boal et al,Phys.Rev.,C38（1988）1870.[9]J、Czudek et al,Phys.Rev,C43（1991）1248.

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Liu Hang, Liu Jianye and Li Junqing. Study of the Structure Effect in Fragment Formation Process in HIC[J]. Chinese Physics C, 1996, 20(8): 723-728.

Liu Hang, Liu Jianye and Li Junqing. Study of the Structure Effect in Fragment Formation Process in HIC[J]. Chinese Physics C, 1996, 20(8): 723-728. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of the Structure Effect in Fragment Formation Process in HIC

Corresponding author: Liu Hang,

Institute of Modem Physics, The Chinese Academy of Sciences, Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-08-05

Abstract: Based on usual QMD, by considering restructured aggregation model, neutron and proton disdinghshing, description of the fermionic behavior of nucleons and frictional cooling method, a new kind of MQMD is proposed. The distribution and time stability of some isotopes in reaction ¹²C+¹²C at E_lab=28.7MeV/u are studied by this model. The results show that this new MQMD can well describe the structure effect in the fragment formation in HIC.