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Chinese Physics C> 2000, Vol. 24> Issue(7) : 656-661 

Isospin Dependent Boltzmann-Langevin Equation and the Production Cross Section of 19Na

  •  Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Accelerator,Lanzhou 730000,China2 Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000,Chian3 Shanghai Institute of Nuclear Research,The Chinese Academy of Sciences,Shanghai 201800,China4 CCASTWorld Laboratory,Beijing 100080,China

  • A new transport model (isospin dependent Boltzmann-Langevin equation)is developed and it is shown that this model can regenerate the experimental data for reaction of 12C+12C at 28.7MeV/u. The production cross section of 19Na is systematically studied for reactions of 17—20,22Ne+12C at 28.7 MeV/u.It is found that a neutron deficient projectile has larger 19Na cross section than a stable projectile.
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    [1] . ZHAN W L et al.Science in China,A ,1999(in press) 2. Kubo T et al.Nucl.Instrum .Methods In Phys.Res.,1992 ,B70 :30 9— 3193. Geissel H et al.Nucl.Instrum .Methods In Phys.Res.,1992 ,B70 :2 86— 2 974. Mueller A C ,Anne R .Nucl.Instrum .Methods In Phys.Res.,1991,B56 /57:559— 56 3 5. Sherrill B Metal.Nucl.Instrum .Methods In Phys.Res.,1991,B56 /57:110 6— 11106. CHENL W et al.J .Phys.,1997,G2 3:2 11— 2 18 7. CHENL W ,ZHANG F S ,JIN G M .Phys.Rev.,1998,C58( 4) :2 2 83— 2 2 91 8. LIB A ,Ko C M ,Bauer W .Inte .J.Mod .Phys.,1998,E7( 2 ) :14 7— 2 2 9 9. ZHANG F S ,Surand E .Phys.Rev .,1995,C51( 10 ) :12 0 1— 12 1010. ZHANG F S,Surand E .Phys.Lett.,1993,B319:35— 4 1 11. MING ZhaoYu ,ZHANG FengShou ,CHEN LieWen.Isospin Dependent Boltzmann –Langevin Eqution .In :National Nuclear Reaction Work Shop ,Anhui University(in Chinese) ,1999,p.50(明照宇 ,张丰收 ,陈列文 .同位旋相关的Boltzmann –Langevin方程 .见 :全国核反应讨论会文集 .安徽大学 .1999.p .50 )12. ZHANG F S,Suraud E .Phys.Rev.,1995,C51:32 0 1— 32 10 13. Czude k J et al.Phys .Rev.,1991,C4 3:12 4 8— 12 54

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MING ZhaoYu, ZHANG FengShou, CHEN LieWen, ZHU ZhiYuan, ZHAN WenLong, GUO ZhongYan and XIAO GuoQing. Isospin Dependent Boltzmann-Langevin Equation and the Production Cross Section of 19Na[J]. Chinese Physics C, 2000, 24(7): 656-661.
MING ZhaoYu, ZHANG FengShou, CHEN LieWen, ZHU ZhiYuan, ZHAN WenLong, GUO ZhongYan and XIAO GuoQing. Isospin Dependent Boltzmann-Langevin Equation and the Production Cross Section of 19Na[J]. Chinese Physics C, 2000, 24(7): 656-661. shu
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Received: 1999-06-28
Revised: 1900-01-01
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Isospin Dependent Boltzmann-Langevin Equation and the Production Cross Section of 19Na

    Corresponding author: MING ZhaoYu,
  • Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Accelerator,Lanzhou 730000,China2 Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000,Chian3 Shanghai Institute of Nuclear Research,The Chinese Academy of Sciences,Shanghai 201800,China4 CCASTWorld Laboratory,Beijing 100080,China
  • Received Date: 1999-06-28
  • Accepted Date: 1900-01-01
  • Available Online: 2000-07-05

Abstract: A new transport model (isospin dependent Boltzmann-Langevin equation)is developed and it is shown that this model can regenerate the experimental data for reaction of 12C+12C at 28.7MeV/u. The production cross section of 19Na is systematically studied for reactions of 17—20,22Ne+12C at 28.7 MeV/u.It is found that a neutron deficient projectile has larger 19Na cross section than a stable projectile.

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