A SIMPLE MODEL FOR STUDYING THE STRETCH AT SCISSION POINT IN FUSION-FISSION AND QUASIFISSION INDUCED BY HEAVY-IONS

Wang Zheng-da; Xu Shu-wei; Miao Rong-zhi

Chinese Physics C> 1980, Vol. 4> Issue(6) : 788-794

A SIMPLE MODEL FOR STUDYING THE STRETCH AT SCISSION POINT IN FUSION-FISSION AND QUASIFISSION INDUCED BY HEAVY-IONS

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Abstract：
Assuming that the kinetic energy of relative radial motion of fragments can beneglected during the scission process, so that the adiabatic approximation condition isassumed to be fulfilled, and the fragments have rotationally symmetric quadrupole de-formation only. We have obtained three equations, which govern the motion of the frag-ments at scission point. Solving these simple algebra equations, we can obtain thescission point stretch, and evaluate the total kinetic energy of the emitted fragments.The calculated results are in agreement with most experimental data for the averagetotal kinetic energy of fragments for heavy nuclei, which are emitted in the process offusion-fission and quasi-fission i.e. completё damping process of DIS induced byheavy-ions.

References

[1]

V. M. Strutinehy, Nucl. Phys., A95(1967), 420.[2] J. Wilczyaski, Physics and Chemistry of Fissian,, 2(1973), 269.[3] R. Vandenfoach and J. R. Huizenga, "Nuclear Fission", 1973, p. 290, Table X-1.[4] 余掬生等,原子核物理(庐山会议文集)(1978), p. 136.[5] F. Hanappe et al., Phys. Rev. Lett.,32(1974), 738.[6] European Conference on Nuclear Physics With heavy ions, Cean (rance) 6-10, Septenfer,(1976), p. 136, Fig, 22.[7] E. Segue et al., Phys. Rev., C11(1975), 1227.[8] R. Beringer, Phys. Rev. Lett., 8(1967), 1006.

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Wang Zheng-da, Xu Shu-wei and Miao Rong-zhi. A SIMPLE MODEL FOR STUDYING THE STRETCH AT SCISSION POINT IN FUSION-FISSION AND QUASIFISSION INDUCED BY HEAVY-IONS[J]. Chinese Physics C, 1980, 4(6): 788-794.

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A SIMPLE MODEL FOR STUDYING THE STRETCH AT SCISSION POINT IN FUSION-FISSION AND QUASIFISSION INDUCED BY HEAVY-IONS

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1980-12-05

Abstract: Assuming that the kinetic energy of relative radial motion of fragments can beneglected during the scission process, so that the adiabatic approximation condition isassumed to be fulfilled, and the fragments have rotationally symmetric quadrupole de-formation only. We have obtained three equations, which govern the motion of the frag-ments at scission point. Solving these simple algebra equations, we can obtain thescission point stretch, and evaluate the total kinetic energy of the emitted fragments.The calculated results are in agreement with most experimental data for the averagetotal kinetic energy of fragments for heavy nuclei, which are emitted in the process offusion-fission and quasi-fission i.e. completё damping process of DIS induced byheavy-ions.