Nuclear Fusion near Coulomb Barrier

FENG Zhao-Qing; ZHANG Feng-Shou; LI Wen-Fei; JIN Gen-Ming

Chinese Physics C> 2005, Vol. 29> Issue(1) : 41-45

Nuclear Fusion near Coulomb Barrier

Center of Theoretical Nuclear Physics,National Laboratory of Heavy ion Accelerator of Lanzhou,Lanzhou 730000,China2 Institute of Modern Physics,CAS,Lanzhou 730000,China3 Institute of Low Energy Nuclear Physics,Beijing Normal University,Beijing 100875,China4 Graduate School,Chinese Academy of Sciences,Beijing 100049,China

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Abstract：
By using an improved isospin dependent quantum molecular dynamics model, the fusion reaction near coulomb barrier is studied for the ¹⁶O+¹⁶O system.The surface energy of the system is improved by a switch function method,which combines the surface energies of projectile and target with the one of compound nucleus in a proper way.The calculated fusion cross section increases obviously by using this method, which turns away the unphysical nucleon emission in the process of projectile and target approaching since the deformation effect of the surface has been embodied by the switch function method.

References

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FENG Zhao-Qing, ZHANG Feng-Shou, LI Wen-Fei and JIN Gen-Ming. Nuclear Fusion near Coulomb Barrier[J]. Chinese Physics C, 2005, 29(1): 41-45.

FENG Zhao-Qing, ZHANG Feng-Shou, LI Wen-Fei and JIN Gen-Ming. Nuclear Fusion near Coulomb Barrier[J]. Chinese Physics C, 2005, 29(1): 41-45. shu

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Received: 2004-05-12
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Nuclear Fusion near Coulomb Barrier

Corresponding author: FENG Zhao-Qing,

Center of Theoretical Nuclear Physics,National Laboratory of Heavy ion Accelerator of Lanzhou,Lanzhou 730000,China2 Institute of Modern Physics,CAS,Lanzhou 730000,China3 Institute of Low Energy Nuclear Physics,Beijing Normal University,Beijing 100875,China4 Graduate School,Chinese Academy of Sciences,Beijing 100049,China

Received Date: 2004-05-12
Accepted Date: 1900-01-01
Available Online: 2005-01-05

Abstract: By using an improved isospin dependent quantum molecular dynamics model, the fusion reaction near coulomb barrier is studied for the ¹⁶O+¹⁶O system.The surface energy of the system is improved by a switch function method,which combines the surface energies of projectile and target with the one of compound nucleus in a proper way.The calculated fusion cross section increases obviously by using this method, which turns away the unphysical nucleon emission in the process of projectile and target approaching since the deformation effect of the surface has been embodied by the switch function method.