Isospin Effects on Balance Energy in HIC at Intermediate Energies

  • Within the framework of an isospin-dependent quantum molecular dynamics model, the balance energy has been calculated for reaction systems 58Fe+58Fe and 58Ni+58Ni at different impact parameters. It is shown that the balance energy of the neutron-rich system 58Fe+58Fe is higher than that of the system 58Ni+58Ni, which could be in qualitative agreement with the results of the experiments.
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  • [1] Bertulani C A et al.Phys.Rep,1993,226(6):281–3762 Zhukov M V et al. Phys. Rep, 1993, 231: 151-199 3 Tanihata I. Prog. Part. NucL Phys., 1995, 35:505 4 Li B A, Ko C M, Baner W Preprint MSUCL-1078(1997) 5 Chen Liewen, Zhang Xiaodong, Ge Lingxiao. High Enefgy Phys. and Nucl‘ Phys.(in Chinese), 1996, 20 (12):1091–1096 (陈列文,张晓东,葛凌霄.高能物理与核物理,1996,20(12):1091—1096) 6 Kunde G J et al. Phys. Rev Lett, 1996, 77(14):2897–2900 7 Li B A, Ko C M, Ren Z Z. Phys.Rev bett, 1997, 78(9): 1644—16478 Li B A, Yennello S J Phys. ReV., 1995, C52(4)R174–R17499 Chen L W et al. J Phys, 1997, G23:211–218 10 Li B A et al Phys. Rev Lett.,1996,76(24):4492–449511 Pak R et al. Phys. Rev Lett, 1997, 78(6):1022-1025 12 Pah R et al. Phys. Rev Lett, 1997, 78(6): 1026–1029 13 Chen Liewen, Zhang Fengshou, Zeng Alanghua et al. Ingh Enefgy Phys. and Nucl.Phys.(In Chinese). 1998,22(11):1035 (陈列文,张丰收,曾样华等.高能物理与核物理,1998,22(11):1035 14 Krofcheck D et al, Phys. ffev Lett, 1989, 63(19):2028–2031 15 Danielewicz P, Odyniec G. Phys. Lett.3 1985, B157(2,3): 146–15016 Xu H M. Phys. ffeV Lett., 1991, 67(20)2769–277217 Zhou H B et al.Nucl Phys.,1994,A580:627–642 18 Aichelin .J Phys. Rep.3 1991, 202(5,6):233—36019 Chen Liewen, Zhop Fellgshou, Zeflg Xianghua. fugh Enefgy Phys. andNuCL Phys.(in Chinese), 1998, 22(6):538 (陈列文,张丰收,曾祥华.高能物理与核物理,1998,22(6):538 20 Reinhard P G In:Computational Nuclear Physics 1,hrmany:Spdnger–Verlag,1991,28–5021 Klakow D, Welke G. Baner W Phys. Rev, 1993, C48(4): 1982-1987 22 Soff S et al. Phys. Rev, 1995, C51(6):3320–3325 23 Pah R et al. Phys. Rev, 1996, C54(5):2457–2462 24 Baner W Phys. Rev Lett, 19883 61(22):2534-2537
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Chen Liewen, Zhang Fengshou and Jin Genming. Isospin Effects on Balance Energy in HIC at Intermediate Energies[J]. Chinese Physics C, 1999, 23(5): 469-474.
Chen Liewen, Zhang Fengshou and Jin Genming. Isospin Effects on Balance Energy in HIC at Intermediate Energies[J]. Chinese Physics C, 1999, 23(5): 469-474. shu
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Received: 1998-04-20
Revised: 1900-01-01
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Isospin Effects on Balance Energy in HIC at Intermediate Energies

    Corresponding author: Chen Liewen,
  • Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 7300002 Institute of Modern Physics,The Chinese Academy of Sciences, Lanzhou 7300003 CCAST World Laboratory Beijing 100080

Abstract: Within the framework of an isospin-dependent quantum molecular dynamics model, the balance energy has been calculated for reaction systems 58Fe+58Fe and 58Ni+58Ni at different impact parameters. It is shown that the balance energy of the neutron-rich system 58Fe+58Fe is higher than that of the system 58Ni+58Ni, which could be in qualitative agreement with the results of the experiments.

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