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Chinese Physics C> 1995, Vol. 19> Issue(6) : 481-488 

Mass Yield Distribution of Target Residues from the Interaction of Iron with 135MeV/u 12C Ions

  •  Institute of Mordern Physics,The Chinese Academy of Sciences,Lanzhou 7300001 Institute of Physics and chemical Research Wako,Saitama 351-01,Japan

  • The formation cross sections of target residues have been measured from the interaction of iron with 135MeV/u 12C ions.With the help of assumption of Gaussian charge distribution,the mass yield distribution was obtained.We found that the yield in mass region of A＜30 were notably increased and the products got away to neutron-excessive.The experimental results were compared with calculations based on the statistical fusion fragmentation model and on the sequential binary decay model,respectively. It seems to indicate that the multifragmentation decay mode was the dominant reaction mechanism responsible for production of the fragments with mass number A＜30 in the produce process of target residues under the condition of the higher incident projectile energy.
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    [1] D.H.E.GrossetaL.,Phys.Lett.,B200（1988）397.[2]K.Alekelettetal.,Procedings of International Symposium on Heavy Ion Physics and Its Application,Lanzhou,China,Oct.（1990）140.[3]G Bizard,LPCC91-06.[4]Sa Benhao,Zheng Yuming,Zhang Xiao ze,Phys.Rev.,C40（1989）2680.[5]萨本豪、郑玉明、张孝泽，高能物理与核物理，13（1990）669.[6]李文新、孙彤玉、戚大海，高能物理与核物理，14（1990）745.[7]Li Wenxin,Sun Tongyu,QiDahai et al.,Phys.Rev.,C48（1993）628.[8]R.J.Charity et al.Nucl.Phys.,A340（1988）371.[9]Li Wenxin Yin Xinmin et al.,Phys.Rev,C46（1992）1538.[10]孙彤玉、李文新等，核化学与放射化学，16（1994）109.[11]H.Baba,T.Sekine,S.Baba,H.Okashita,Japan Atomic Energy Research Institute report JAERI1227（1972）.[12]孙儒林，核技术，16（1993）15.[13]U.Reus,W.Wesmeier,Gamama-rayCatlog.At Data Nucl Data Tables,29（1983）195.[14]孙彤玉、李文新等，核化学与放射化学，15（1993）65.[15]卢希庭，原子核物理，原子能出版社，（1982）47.[16]D.J.Morrissey,W.Loveland,M.de.Saint-Simon,Phys.,Rev.,C21（1980）1783.

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Qin Zhi, Li Wenxin, Zhao Lili, Wen Wanxin, Luo Qingzheng, Sun Tongyu, Mass Yield Distribution of Target Residues from the Interaction of Iron with 135MeV/u 12C Ions[J]. Chinese Physics C, 1995, 19(6): 481-488.
Qin Zhi, Li Wenxin, Zhao Lili, Wen Wanxin, Luo Qingzheng, Sun Tongyu, Mass Yield Distribution of Target Residues from the Interaction of Iron with 135MeV/u 12C Ions[J]. Chinese Physics C, 1995, 19(6): 481-488. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Mass Yield Distribution of Target Residues from the Interaction of Iron with 135MeV/u 12C Ions

    Corresponding author: Qin Zhi,
  • Institute of Mordern Physics,The Chinese Academy of Sciences,Lanzhou 7300001 Institute of Physics and chemical Research Wako,Saitama 351-01,Japan
  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1995-06-05

Abstract: The formation cross sections of target residues have been measured from the interaction of iron with 135MeV/u 12C ions.With the help of assumption of Gaussian charge distribution,the mass yield distribution was obtained.We found that the yield in mass region of A＜30 were notably increased and the products got away to neutron-excessive.The experimental results were compared with calculations based on the statistical fusion fragmentation model and on the sequential binary decay model,respectively. It seems to indicate that the multifragmentation decay mode was the dominant reaction mechanism responsible for production of the fragments with mass number A＜30 in the produce process of target residues under the condition of the higher incident projectile energy.

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