Production of heavy neutron-rich nuclei with radioactive beams in multinucleon transfer reactions

被引：13
|
作者：
Li, Cheng [1 ,2 ]
Wen, Peiwei [1 ,2 ]
Li, Jingjing [1 ,2 ]
Zhang, Gen [1 ,2 ]
Li, Bing [1 ,2 ]
Zhang, Feng-Shou [1 ,2 ,3 ]
机构：
[1] Beijing Normal Univ, Coll Nucl Sci & Technol, Minist Educ, Key Lab Beam Technol & Mat Modificat, Beijing 100875, Peoples R China
[2] Beijing Radiat Ctr, Beijing 100875, Peoples R China
[3] Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator Lanzhou, Lanzhou 730000, Gansu, Peoples R China
来源：
NUCLEAR SCIENCE AND TECHNIQUES | 2017年 / 28卷 / 08期
基金：
中国国家自然科学基金; 欧盟第七框架计划;
关键词：
Multinucleon transfer reactions; DNS model; Heavy-ion collisions; Neutron-rich nuclei; SYSTEM; HIAF;
D O I：
10.1007/s41365-017-0266-z
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The production mechanism of heavy neutron rich nuclei is investigated by using the multinucleon transfer reactions of Xe-136,Xe-148+Pb-208 and U-238+Pb-208 in the framework of a dinuclear system model. The evaporation residual cross sections of target-like fragments are studied with the reaction system Xe-148+Pb-208 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 Pb-208 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.
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页数：6
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