Entrance Channel Dependence of Production Cross Sections of Superheavy Nuclei in Cold Fusion Reactions

Chin. Phys. Lett.

2005, Vol. 22

Issue (4): 846-849 DOI:

Original Articles

Entrance Channel Dependence of Production Cross Sections of Superheavy Nuclei in Cold Fusion Reactions

FENG Zhao-Qing^1,2,6;JIN Gen-Ming^1,2;FU Fen^2,6;ZHANG Feng-Shou^1,3,5;JIA Fei^2,6;HUANG Xi^1,2,6;HU Rong-Jiang²;LI Wen-Fei⁴;LI Jun-Qing^1,2

¹Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000 ²Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 ³Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875 ⁴Department of Physics, Nanjing University, Nanjing 210093 ⁵CCAST (Word Laboratory), Beijing 100080 Graduate School, Chinese Academy of Sciences, Beijing 100039

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FENG Zhao-Qing, JIN Gen-Ming, FU Fen et al 2005 Chin. Phys. Lett. 22 846-849

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Abstract Production cross sections of superheavy nuclei Rf and Hs for asymmetric and nearly symmetric projectile-target combinations are systematically studied within the framework of the dinuclear system model. The calculated results show that the production cross sections are strongly dependent on the symmetry of reaction systems. The obtained results are in good agreement with the available experimental data for asymmetric reaction systems. For nearly symmetric systems, the model gives opposite results with coupled channel model in which surface vibration and nucleon transfer are included.

Keywords: 25.70.Jj 24.10.-i 25.60.Pj

Published: 01 April 2005

PACS:	25.70.Jj	(Fusion and fusion-fission reactions)
	24.10.-i	(Nuclear reaction models and methods)
	25.60.Pj	(Fusion reactions)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I4/0846

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	FENG Zhao-Qing
	JIN Gen-Ming
	FU Fen
	ZHANG Feng-Shou
	JIA Fei
	HUANG Xi
	HU Rong-Jiang
	LI Wen-Fei
	LI Jun-Qing

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