Production mechanism of superheavy nuclei in massive fusion reactions
Within the concept of the dinuclear system (DNS), a dynamical model is proposed for describing the formation of superheavy nuclei in complete fusion reactions by incorporating the coupling of the relative motion to the nucleon transfer process. The capture of two heavy colliding nuclei, the formation of the compound nucleus and the de-excitation process are calculated by using an empirical coupled channel model, solving a set of microscopically derived master equations numerically and applying statistical theory, respectively.Fusion-fission reactions and evaporation residue excitation functions of synthesizing superheavy nuclei (SHN) are investigated systematically and compared them with available experimental data. The possible factors that affecting the production cross sections of SHN are discussed in this workshop.
DNS model, master equations, production cross sections
FENG Zhao-Qing JIN Gen-Ming LI Jun-Qing Werner Scheid
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China Institut für Theoretische Physik der Universit(a)t, 35392 Giessen, Germany
国际会议
重庆
英文
86-88
2008-05-10（万方平台首次上网日期，不代表论文的发表时间）