Dynamic Back-Streaming Effects around Fusion and Fission Barriers of Heavy Nuclei

  • The passing probability of nuclear fusion and the fission rate at the saddle point is calculated by an improved scheme with test particle muti passing over the saddle point,where a strong back streaming effect around the saddle is found and considered.It is also found that the back streaming becomes stronger if the post saddle barrier gets smoother.Fusion probability and fission rate,which are simulated usually via test particle first passing over the saddle model,are decreased by the back streaming effect.
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  • [1] . Shen C W, Kosenko G,Abe Y. Phys. Rev. , 2002, C66: 061602R2. Abe Y, Gregoire C, Delagrange H . J. Phys. (Paris) , 1986, C4 ! 47: 3293. Boil ley D, Surand E, Abe Y et al.Nucl .Phys. , 1993, A556: 674. Frbrich P,Tillack G R.Nucl .Phys. , 1992, A540: 2515. Wada T, Carjan N,Abe Y. Nucl. Phys. , 1992, A538: 283c6. BAO J D, ZHUO Y Z,WU X Z.Z.Phys. , 1994, A347: 2177. JIA Ying, LIU Ling, BAO Jing-Dong. HEP NP, 2003, 27(7) : 610(贾莹,刘玲,包景东.高能物理与核物理,2003,27(7):610)8. Frbrich P,Gontchar I I. Phys. Rep. , 1998, 292: 1319. Abe Y,Ayik S, Reinhard P..G et al. Phys. Rep. , 1996, 275: 4910. Chaudhuri G, Pal S.Phys. Rev. , 2001, C63: 06460311. Gont char I I,Fr1. Shen C W, Kosenko G,Abe Y. Phys. Rev. , 2002, C66: 061602R2. Abe Y, Gregoire C, Delagrange H . J. Phys. (Paris) , 1986, C4 ! 47: 3293. Boil ley D, Surand E, Abe Y et al.Nucl .Phys. , 1993, A556: 674. Frbrich P,Tillack G R.Nucl .Phys. , 1992, A540: 2515. Wada T, Carjan N,Abe Y. Nucl. Phys. , 1992, A538: 283c6. BAO J D, ZHUO Y Z,WU X Z.Z.Phys. , 1994, A347: 2177. JIA Ying, LIU Ling, BAO Jing-Dong. HEP NP, 2003, 27(7) : 610(贾莹,刘玲,包景东.高能物理与核物理,2003,27(7):610)8. Frbrich P,Gontchar I I. Phys. Rep. , 1998, 292: 1319. Abe Y,Ayik S, Reinhard P..G et al. Phys. Rep. , 1996, 275: 4910. Chaudhuri G, Pal S.Phys. Rev. , 2001, C63: 06460311. Gont char I I,Fr..brich P. Nucl. Phys. , 1992, A551: 49512. LIU L, BAO J D. Commun.Theor.Phys. , 2004, 41: 27313. Frbrich P, Mart en J. Z. Phys. , 1991, A339: 17114. Marten J.Frbrich P. Nucl. Phys. , 1992, A545: 85415. Abe Y, Boilley D, Giraud B G et al. Phys. Rev. , 2000, E61: 112516. BAO J D,ZHUO Y Z. Phys.Rev. , 2003, C67: 06460617. BAO J D,Boilley D.Nucl. Phys. , 2002, A707: 47brich P. Nucl. Phys. , 1992, A551: 49512. LIU L, BAO J D. Commun.Theor.Phys. , 2004, 41: 27313. Frbrich P, Mart en J. Z. Phys. , 1991, A339: 17114. Marten J.Frbrich P. Nucl. Phys. , 1992, A545: 85415. Abe Y, Boilley D, Giraud B G et al. Phys. Rev. , 2000, E61: 112516. BAO J D,ZHUO Y Z. Phys.Rev. , 2003, C67: 06460617. BAO J D,Boilley D.Nucl. Phys. , 2002, A707: 47
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LIU Ling, LU Kun and BAO Jing-Dong. Dynamic Back-Streaming Effects around Fusion and Fission Barriers of Heavy Nuclei[J]. Chinese Physics C, 2004, 28(8): 854-858.
LIU Ling, LU Kun and BAO Jing-Dong. Dynamic Back-Streaming Effects around Fusion and Fission Barriers of Heavy Nuclei[J]. Chinese Physics C, 2004, 28(8): 854-858. shu
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Received: 2003-12-05
Revised: 1900-01-01
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Dynamic Back-Streaming Effects around Fusion and Fission Barriers of Heavy Nuclei

    Corresponding author: BAO Jing-Dong,
  • Department of Physics,Beijing Normal University,Beijing 100875,China2 Institute of Low Energy Nuclear Physics,Beijing Normal University,Beijing 100875,China

Abstract: The passing probability of nuclear fusion and the fission rate at the saddle point is calculated by an improved scheme with test particle muti passing over the saddle point,where a strong back streaming effect around the saddle is found and considered.It is also found that the back streaming becomes stronger if the post saddle barrier gets smoother.Fusion probability and fission rate,which are simulated usually via test particle first passing over the saddle model,are decreased by the back streaming effect.

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