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Chinese Physics C> 1998, Vol. 22> Issue(3) : 265-270 

Effect of Angular Momentum on Prescission Particle Multiplicity for the Reaction of 10.6MeV/u 84Kr on 27Al

  •  Institute of Nuclear Research,The Chinese Academy of Sciences,Shanghai 2018002 China Institute of Atomic Energy,beijing 1024133 Laboratory of Nuclear Science,Tohohku University,Sendai,Miyagi 982,Japan4 The Institute of Physical and Chemical ResearchRIKEN,Wako,Saitama 351-01,Japan

  • The effect of angular momentum on the prescission particle multilplicity in the reaction of 10.6MeV/u 84Kr(27Al,binary fission) is studied using generalized fission diffused model.The prescission particle multilplicity and the scission time are found to increase with decreasing angular momentum. Most of the prescission particle is emitted before saddle. The consistency with the experimental particle multiplicity is obtained when we average with weight over angular momentum contribution to binary fission reaction. At the same time other factors which influence the prescission multiplicity and scission time are also discussed.
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    [1] Paul P et al.Annu.Rev.Nucl.Part Sci.,1994,44:65-108[2]Hinde D J et al.Nucl.Phys.,1986,A452:500-572;Phys.Rev.,1989,C39:2268-2284;1992,C45:1229-1259[3]Hilsher D et al.Ann.Phys.,（Puis）1992,17:471-552,and references therein[4]Lestone J P et al.Phys.Rev.Lett.,1991,67:1078-1081;Nucl.Phys.,1993,A559:277-316[5]Kramers H A.Physica,1940,7:284[6]Lu Zhong-Dao et al.Z.Phys.,1986,A323:477-484;Phys.Rev.,1990,C42:707-710[7]Delagrange H et al.Z.Phys.,1990,A323:437-449[8]Siwek-Wilczynska K et al.Phys.Rev.,1993,C48:228-235;1995,C51:2054-2061[9]Yuasa-Nakagawa K et al.Phys.Lett,1995,B351:77-81;Phys.Rev.,1996,C53:997-1000[10]Futami Y et al.Nucl.Phys.,1996,607A:85-104[11]Nakagawa T et al.Nucl.Phys.,1995,A583:149-152

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Ye Wei, Shen Wenqing, Lu Zhongdao, Feng Jun, Ma Yugang and Wang Jiansong. Effect of Angular Momentum on Prescission Particle Multiplicity for the Reaction of 10.6MeV/u 84Kr on 27Al[J]. Chinese Physics C, 1998, 22(3): 265-270.
Ye Wei, Shen Wenqing, Lu Zhongdao, Feng Jun, Ma Yugang and Wang Jiansong. Effect of Angular Momentum on Prescission Particle Multiplicity for the Reaction of 10.6MeV/u 84Kr on 27Al[J]. Chinese Physics C, 1998, 22(3): 265-270. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Effect of Angular Momentum on Prescission Particle Multiplicity for the Reaction of 10.6MeV/u 84Kr on 27Al

    Corresponding author: Ye Wei,
  • Institute of Nuclear Research,The Chinese Academy of Sciences,Shanghai 2018002 China Institute of Atomic Energy,beijing 1024133 Laboratory of Nuclear Science,Tohohku University,Sendai,Miyagi 982,Japan4 The Institute of Physical and Chemical ResearchRIKEN,Wako,Saitama 351-01,Japan
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1998-03-05

Abstract: The effect of angular momentum on the prescission particle multilplicity in the reaction of 10.6MeV/u 84Kr(27Al,binary fission) is studied using generalized fission diffused model.The prescission particle multilplicity and the scission time are found to increase with decreasing angular momentum. Most of the prescission particle is emitted before saddle. The consistency with the experimental particle multiplicity is obtained when we average with weight over angular momentum contribution to binary fission reaction. At the same time other factors which influence the prescission multiplicity and scission time are also discussed.

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