期刊
PHYSICAL REVIEW C
卷 84, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.84.031602
关键词
-
资金
- National Natural Science Foundation of China [10735100, 10875013]
The evaporation residue (ER) cross sections for 3n and 4n evaporation channels in the Ti-50+ Bk-249 reaction leading the formation of (296)119 and (295)119 isotopes are evaluated by means of a modified fusion-by-diffusion model. In the model, the dynamic evolution from dinucleus to mononucleus is taken into account with the two-dimensional coupled Langenvin equations. The calculated maximum ER cross sections in 3n and 4n evaporation channels of the Ti-50+ Bk-249 reaction are 0.17 and 0.57 pb, respectively. The cross section of 0.57 pb is close to the present experimental limit for the registration of the evaporation residual nuclei. Therefore, superheavy element 119 may be the most hopeful new element with Z > 118 to be synthesized under somehow improved experimental conditions in the near future.
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