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Mass-Asymmetric Breakup in the Extended Finite-Range Macroscopic Model

Chinese Physics Letters 1994年第2期11卷 65-68页

作者： LUO Qingzheng dai guangxi Institute of Modern Physics Academia SinicaLanzhou 730000

Using the Cassinian ovaloid as fission shape both in symmetry and asymmetry,including Yukawa-plus-exponential finite range interaction and diffused surface,the rotating finite-range Cassinian ovaloid liquid drop model is *** dependence of the fission barrier heights on mass-asymmetry and on angular momentum is studied for the compound nuclei^(112)In,^(159)Tb and^(209)*** predicted asymmetric fission barriers and mass yields are compared with experimental data obtained from the deexcitation of hot composite nuclei by complex fragment emission.

关键词： rotating symmetry momentum

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Fission Angular Distributions for the Incomplete Fusion Reactions

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Chinese journal of nuclear physics 1997年第2期19卷 88-94页

作者： Liu Guoxing Chen Keliang Yu Xian dai guangxi Institute of Modern Physics,the Chinese Academy of Sciences,Lanzhou 730000 中科院近代物理所甘肃兰州

The fission angular distributions for the 16O+159Tb,16O+197Au and 16O+209Bi reac-tions are measured by the solid state nuclear track *** subtraction of the contribu-tion of intermediate mass fragment（IMF）,the fission angular distributions are fitted by thetransitional state statistical model（TSM）and the single-spin standard theory is used to extractthe spins of the fissioning *** relation between spins and bombarding energy is dis-cussed.

关键词： Incomplete fusion Sequential fission Fission nuclei spin

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Triton-Triton Correlation and Emission Times in Intermediate Energy Nucleus-Nucleus Collisions

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Chinese Physics Letters 1995年第9期12卷 521-523页

作者： HE Zhiyong DUAN Limin LI Zuyu JIN Genming LUO Qingzheng WU Heyu ZHANG Baoguo WEN Wanxin QI Yujin DANG Binrong dai guangxi Institute of Modern Physics Academia SinicaLanzhou 730000

Triton-triton correlation functions have been measured for^(40)Ar+^(197)Au collisions at E/A=25 *** anticorrelations at small relative momenta are observed and become more pronounced with the increasing total energy of two coincident *** with the three-body trajectory calculations indicates that the average emission times lie between 100 and 300fm/c for tritons.

关键词： Collisions coincide Triton

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