Production of exotic neutron-deficient isotopes near N, Z=50 in multinucleon transfer reactions

被引：0

作者：

许馨心 ^{[1
,2
]}

张根 ^{[1
,2
]}

李静静 ^{[1
,2
]}

李冰 ^{[1
,2
]}

Cheikh A.T.Sokhna ^{[1
,2
]}

张欣蕊 ^{[1
,2
]}

杨秀秀 ^{[1
,2
]}

程诗慧 ^{[1
,2
]}

张钰海 ^{[1
,2
]}

葛志帅 ^{[1
,2
]}

李成 ^{[1
,2
]}

刘忠 ^{[3
]}

张丰收 ^{[1
,2
,4
]}

机构：

[1] Key Laboratory of Beam Technology of Ministry of Education, College of Nuclear Science and Technology,Beijing Normal University

[2] Beijing Radiation Center

[3] Institute of Modern Physics, Chinese Academy of Sciences

[4] Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou

来源：

Chinese Physics C | 2019年 / 43卷 / 06期

基金：

中国国家自然科学基金; 欧盟第七框架计划;

关键词：

production cross-sections; exotic neutron-deficient nuclei; production cross sections;

D O I：

暂无

中图分类号：

O571.5 [中子物理];

学科分类号：

0827 ; 082701 ;

摘要：

The multinucleon transfer reaction in the collisions of40Ca+124Sn at Ec.m. = 128.5 MeV is investigated using the improved quantum molecular dynamics model. The measured angular distributions and isotopic distributions of the products are reproduced reasonably well by the calculations. The multinucleon transfer reactions of40Ca +112Sn,58Ni +112Sn,106Cd +112Sn, and48Ca +112Sn are also studied. This demonstrates that the combinations of neutron-deficient projectile and target are advantageous for the production of exotic neutron-deficient nuclei near N,Z =50. The charged particles’ emission plays an important role at small impact parameters in the de-excitation processes of the system. The production cross sections of the exotic neutron-deficient nuclei in multinucleon transfer reactions are much larger than those measured in the fragmentation and fusion-evaporation reactions. Several new neutron-deficient nuclei can be produced in the106Cd +112Sn reaction. The corresponding production cross sections for the new neutron-deficient nuclei,101,112Sb,103Te,and ~106,107) I,are 2.0 nb,4.1 nb,6.5 nb,0.4 μb and 1.0 μb,respectively.

引用

页码：55 / 62

页数：8

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