The production mechanism of heavy neutronrich nuclei is investigated by using the multinucleon transfer reactions of ^(136;148)Xe+^(208)Pb and ^(238)U+^(208)Pb in the framework of a dinuclear system model. The evapora...The production mechanism of heavy neutronrich nuclei is investigated by using the multinucleon transfer reactions of ^(136;148)Xe+^(208)Pb and ^(238)U+^(208)Pb in the framework of a dinuclear system model. The evaporation residual cross sections of target-like fragments are studied with the reaction system ^(148)Xe+^(208)Pb at near barrier energies. The results show that the final isotopic production cross sections in the neutron-deficient side are very sensitive to incident energy while it is not sensitive in the neutron-rich side. Comparing the isotopic production cross sections for the reactions of ^(208)Pb bombarded with stable and radioactive projectiles, we find that neutron-rich radioactive beams can significantly increase the production cross sections of heavy neutron-rich nuclei.展开更多
Identification of new isotopes below argon completed by Artukh et al and the synthesis of new heavy neutron-rich nuclides at the GSI demonstrated that the multi-nucleon transfer reactions are a very suitable tool for ...Identification of new isotopes below argon completed by Artukh et al and the synthesis of new heavy neutron-rich nuclides at the GSI demonstrated that the multi-nucleon transfer reactions are a very suitable tool for the production of new neutron-rich nuclides. The results of the synthesis and identification for new heavy neutron-rich isotopes 208-209Hg, 239pa, 186Hf and 238Th at IMp show also multi-nucleon transfer展开更多
基金supported by the National Natural Science Foundation of China under Grants Nos.11635003,11025524 and 11161130520the National Basic Research Program of China under Grant No.2010CB832903+1 种基金the European Commission’s 7th Framework Programme(Fp7-PEOPLE-2010-IRSES)under Grant Agreement Project No.269131the Project funded by China Postdoctoral Science Foundation(Grant No.2016M600956)
文摘The production mechanism of heavy neutronrich nuclei is investigated by using the multinucleon transfer reactions of ^(136;148)Xe+^(208)Pb and ^(238)U+^(208)Pb in the framework of a dinuclear system model. The evaporation residual cross sections of target-like fragments are studied with the reaction system ^(148)Xe+^(208)Pb at near barrier energies. The results show that the final isotopic production cross sections in the neutron-deficient side are very sensitive to incident energy while it is not sensitive in the neutron-rich side. Comparing the isotopic production cross sections for the reactions of ^(208)Pb bombarded with stable and radioactive projectiles, we find that neutron-rich radioactive beams can significantly increase the production cross sections of heavy neutron-rich nuclei.
文摘Identification of new isotopes below argon completed by Artukh et al and the synthesis of new heavy neutron-rich nuclides at the GSI demonstrated that the multi-nucleon transfer reactions are a very suitable tool for the production of new neutron-rich nuclides. The results of the synthesis and identification for new heavy neutron-rich isotopes 208-209Hg, 239pa, 186Hf and 238Th at IMp show also multi-nucleon transfer
