Dynamics in Production of Superheavy Nuclei in Low-energy Heavy-ion Collisions

FENG Zhao-qing; JIN Gen-ming; LI Jun-qing

doi:10.11804/NuclPhysRev.28.01.001

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FENG Zhao-qing, JIN Gen-ming, LI Jun-qing. Dynamics in Production of Superheavy Nuclei in Low-energy Heavy-ion Collisions[J]. Nuclear Physics Review, 2011, 28(1): 1-22. doi: 10.11804/NuclPhysRev.28.01.001

Citation:

FENG Zhao-qing, JIN Gen-ming, LI Jun-qing. Dynamics in Production of Superheavy Nuclei in Low-energy Heavy-ion Collisions[J]. Nuclear Physics Review, 2011, 28(1): 1-22. doi: 10.11804/NuclPhysRev.28.01.001

Dynamics in Production of Superheavy Nuclei in Low-energy Heavy-ion Collisions

doi: 10.11804/NuclPhysRev.28.01.001

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2011-03-20

Abstract

We present a review of the recent progress of theoretical models on the description of the superheavy nucleus formation in heavy ion collisions. Two sorts of reactions that are the fusionevaporation mechanism and the massive damped collisions to produce superheavy nuclei are discussed. Problems and further improvements of the capture of colliding partners, the formation of compound nucleus and the deexcitation process are pointed out. Possible combinations for the synthesis of the superheavy nuclei in between the roducts of the cold fusion and 48Ca induced reactions are proposed by the calculations based on the dinuclear system model and also compared with other
approaches. The synthesis of neutronrich heavy isotopes near subshell closure N=162 via transfer reactions in the damped collisions of two actinides and the influence of shell closure on the production of heavy isotopes are investigated. Prospective possibility to reach superheavy nuclei near N=184 via neutronrich radioactive beams of high intensity in the future is discussed.
- superheavy nuclei,
- fusionevaporation reaction,
- damped collision,
- fusion dynamics
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Dynamics in Production of Superheavy Nuclei in Low-energy Heavy-ion Collisions

doi: 10.11804/NuclPhysRev.28.01.001

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2011-03-20

Key words:

Abstract: We present a review of the recent progress of theoretical models on the description of the superheavy nucleus formation in heavy ion collisions. Two sorts of reactions that are the fusionevaporation mechanism and the massive damped collisions to produce superheavy nuclei are discussed. Problems and further improvements of the capture of colliding partners, the formation of compound nucleus and the deexcitation process are pointed out. Possible combinations for the synthesis of the superheavy nuclei in between the roducts of the cold fusion and 48Ca induced reactions are proposed by the calculations based on the dinuclear system model and also compared with other
approaches. The synthesis of neutronrich heavy isotopes near subshell closure N=162 via transfer reactions in the damped collisions of two actinides and the influence of shell closure on the production of heavy isotopes are investigated. Prospective possibility to reach superheavy nuclei near N=184 via neutronrich radioactive beams of high intensity in the future is discussed.

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