Evidence for different fission behavior of hot nuclei formed in central and peripheral collisions of Ar-40+Bi-209 reaction at 25 MeV/u

	Evidence for different fission behavior of hot nuclei formed in central and peripheral collisions of Ar-40+Bi-209 reaction at 25 MeV/u
	Wu, EJ ; Zheng, JW ; Xiao, ZG ; Zhang, C ; Tan, JL ; Yin, SZ ; Wang, SF ; Jin, GM ; Yin, X ; Song, MT
刊名	CHINESE PHYSICS LETTERS
	1999
卷号	16 页码:499-501
ISSN号	0256-307X
英文摘要	Correlated fission fragments from the reaction of 25 MeV/n Ar-40+Bi-209 and their further correlation with alpha particles have been studied for peripheral and central collisions simultaneously. The excitation energy at scission deduced from postscission multiplicity is about 172.5 MeV. The fission timescale deduced from prescission multiplicity is about 4x10(-21) s. Systematic analysis of the mass and energy distributions of fission fragments as a function of the initial temperature of hot fissioning nuclei reveals the existence of different fission behavior of hot nuclei formed in central and peripheral collisions. Experimental data demonstrate the change of fission behavior at T similar to 4 MeV.
WOS研究方向	Physics
语种	英语
出版者	ALLERTON PRESS INC
WOS记录号	WOS:000082050000011
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/36095]
专题	中国科学院近代物理研究所
通讯作者	Wu, EJ
作者单位	1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 2.Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China
推荐引用方式 GB/T 7714	Wu, EJ,Zheng, JW,Xiao, ZG,et al. Evidence for different fission behavior of hot nuclei formed in central and peripheral collisions of Ar-40+Bi-209 reaction at 25 MeV/u[J]. CHINESE PHYSICS LETTERS,1999,16:499-501.
APA	Wu, EJ.,Zheng, JW.,Xiao, ZG.,Zhang, C.,Tan, JL.,...&Qian, X.(1999).Evidence for different fission behavior of hot nuclei formed in central and peripheral collisions of Ar-40+Bi-209 reaction at 25 MeV/u.CHINESE PHYSICS LETTERS,16,499-501.
MLA	Wu, EJ,et al."Evidence for different fission behavior of hot nuclei formed in central and peripheral collisions of Ar-40+Bi-209 reaction at 25 MeV/u".CHINESE PHYSICS LETTERS 16(1999):499-501.