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Production of neutron-rich actinide isotopes in isobaric collisions via multinucleon transfer reactions

Nuclear Science and Techniques 2023年第10期34卷 166-177页

作者： Peng-Hui Chen Chang Geng Zu-Xing Yang Xiang-Hua Zeng Zhao-Qing Feng School of Physical Science and Technology Yangzhou UniversityYangzhou 225009China RIKEN Nishina Center WakoSaitama 351‑0198Japan College of Electrical Power and Energy EngineeringYangzhou UniversityYangzhou 225009China School of Physics and Optoelectronics South China University of TechnologyGuangzhou 510641China

We systematically calculated the multinucleon transfer reactions of ^(208)Os,^(208)Pt,^(208)Hg,^(208)Pb,^(208)Po,^(208)Rn,^(208)Ra,and ^(132,136) Xe when bombarded on ^(232) Th and ^(248) Cm at Coulomb barrier energies within the dinuclear system *** results are in good agreement with the available experimental *** influence of Coulomb and shell effects on actinide production in these reactions has been rigorously *** calculated and analyzed the potential energy surface (PES) and total kinetic energy (TKE) mass distributions for the reactions involving ^(208)Hg,^(208)Pb,and ^(208) Po with ^(248) Cm and ^(232)*** PES and TKE spectra shed light on the fragment formation mechanisms in multinucleon transfer reactions,with clear indications of isospin and shell *** production cross sections for multinucleon transfer products show a strong dependence on isobar projectiles with a mass number A=*** projectiles with high N/Z ratios are advantageous for generating neutron-rich target-like ***,products induced by isobar projectiles with larger charge numbers tend to shift toward proton-rich *** intertwining of the Coulomb potential and shell effect is evident in the production cross sections of actinide *** from reactions induced by radioactive projectiles,we anticipate the discovery of several new actinide isotopes near the nuclear drip lines,extending our reach into the superheavy nuclei domain.

关键词： Dinuclear system model Isobaric collisions multinucleon transfer reactions Neutron-rich actinides

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Production cross sections for exotic nuclei with multinucleon transfer reactions

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Frontiers of physics 2018年第6期13卷 181-196页

作者： Feng-Shou Zhang Cheng Li Long Zhu Peiwei Wen The Key Laboratory of Beam Technology of Ministry of Education College of Nuclear Science and Technology Beijing Normal University Beijing 100875 China Beijing Radiation Center Beijing 100875 China Center of Theoretical Nuclear Physics National Laboratory of Heavy Ion Accelerator of Lanzhou Lanzhou 730000 China Sino-French Institute of Nuclear Engineering and Technology Sun Yat-sen University Zhuhai 519082 China China Institute of Atomic Energy Beijing 102413 China

The main progresses in the multinucleon transfer reactions at energies close to the Coulomb barrier are reviewed. After a short presentation of the experimental progress and theoretical progress, the predicted product... 详细信息

关键词： heavy-ion collisions multinucleon transfer reactions exotic nuclei GRAZING model DNS model ImQMD model

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multinucleon transfer dynamics in nearly symmetric nuclear reactions

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Nuclear Science and Techniques 2020年第6期31卷 67-74页

作者： Fei Niu Peng-Hui Chen Hui-Gan Cheng Zhao-Qing Feng School of Physics and Optoelectronic Technology South China University of TechnologyGuangzhou 510641China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China University of Chinese Academy of Sciences Beijing 100190China

Within the framework of the dinuclear system model,the multinucleon transfer dynamics for nearly symmetric nuclear collisions has been *** reaction mechanism in the systems of 198Pt+198Pt and 204Hg+198Pt was investigated at beam energies around the Coulomb *** was found that the isotopic yields are enhanced with increased incident energy in the domain of proton-rich ***,the production on the neutron-rich side weakly depends on the *** angular distribution with the beam energy was also analyzed in the multinucleon transfer ***-like fragments were produced toward the forward emission with increasing incident *** target-like fragments manifested the opposite trend in the transfer reactions.

关键词： Dinuclear system model multinucleon transfer reactions Symmetric nuclear collisions Angular distribution

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