Fission-Fragment Angular Distributions for the <SUP>16</SUP>O+<SUP>238</SUP>U Near-and Sub-Barrier Fusion-Fission Reaction

ZHANG Huan-Qiao; LIU Zu-Hua; XU Jin-Cheng; RUAN Ming; QIAN Xing; XU Kan; LV Jun

Chinese Physics C> 1992, Vol. 16> Issue(9) : 826-831

Fission-Fragment Angular Distributions for the ¹⁶O+²³⁸U Near-and Sub-Barrier Fusion-Fission Reaction

Institute of Atomic Energy,China,102413

Abstract
HTML
Reference
Related

PDF

Abstract：
Fission cross sections and angular distributions have been measured for the ¹⁶O+²³⁸U reaction at bombarding energies from 73.7 to 93.7 MeV.The fission excitation function is well reproduced on the basis of Wong model.The fission-fragment angular distributions are calculated in terms of the transition-state theory,with the transmission coefficents extracted from the excitation function calculation.It is found that a discrepancy between the observations and the predictions in angular anisotropy of fission fragments exists at near-and sub-barrier energies.Moreover the tendency of the anistropies as a function of the center-of-mass energy aren't the same as previous measurement results.

References

[1]

M. Beckerman, Phys. Rep., B129(1985); 145.[2] R. Vandenbosch et al., Phys. Rev., C26(1983), 1161.[3] T. Murakami et al., Phys. Rev., C34(1986), 1353.[4] R. G. Stokstad et al., Phys. Rev. Lett.,82(1989), 399.[5] D. E. Digregorio et al., Phys. Rev., C43(1991), 265.[6] R. Vandenbosch et al., Phys. Rev. Lett., 56(1986), 1234.[7] H. Zhang et al., Phys. Lett., B218(1989), 133.[8] B. B. Back et al., Phys. Rev., C32(1985), 195.[9] J. Toke et al., Phys. Lest., B142(1984),258.[10] W. O. Shen et al., Phys. Rev., C36(1987), 115.[11] 钱兴等，"84.OMe16V "O轰击238U核的裂变碎片角关联的测量'高能物理与核物理，待发表.

[1]	ZHANG Dong-Hai . Production of Helium Projectile Fragments in ¹⁶O-Emulsion Collisions at 60 A GeV. Chinese Physics C, 2002, 26(1): 40-45.
[2]	HU GuiQing , ZHAO Kui , JIANG Hua , GUO JiYu , FU ChangBo , LU XiuQin , LIANG Gang , LI ZhiChang , LI ShuYuan , LIU JianCheng . Measurement of Angular Distributions for Elastic Scattering of ¹⁶O+⁹⁴Zr and ¹⁶O+¹¹⁶Sn Reactions. Chinese Physics C, 2000, 24(8): 725-731.
[3]	Li Wenxin , Zhao Lili , Qin Zhi , Sun Tongyu , , , , , . Study of Yields for Target Fragments From the Reaction of Iron With 80MeV/u ¹⁶O Ions. Chinese Physics C, 1999, 23(6): 523-528.
[4]	Zhang Huanqiao , Yang Feng , Lin Chengjian , Liu Zuhua , Hu Yueming . Barrier Distributions for the Quasi-elastic andElastic Scattering of ¹⁶O+¹⁵²Sm,¹⁸⁴W. Chinese Physics C, 1998, 22(9): 769-779.
[5]	Gao Chengqun . Fusion Excitation of ¹⁶O+²⁴Mg System and Deep Optical Potential. Chinese Physics C, 1997, 21(8): 751-756.
[6]	Gao Chengqun . On the Gross Structure of Fusion Cross Section for ¹⁶O+¹²C System. Chinese Physics C, 1997, 21(6): 530-534.
[7]	Yang Yongxu , Li Qingrun . Description of ¹⁶O+¹⁶O Elastic Scattering at 124MeV by a Folding Model. Chinese Physics C, 1997, 21(7): 645-647.
[8]	Liu Zuhua , Zhang Huanqiao , Xu Jincheng , Qian Xing , Qiao Yu , Lin Chengjian , Xu Kan . Anomaly Observed in Subbarrier Fusion-Fission Reactions. Chinese Physics C, 1995, 19(7): 585-590.
[9]	Li Wenxin , Sun Tongyu , Wu Dingqing , Zhao Lin , Jin Genming . Complete and Incomplete Fusion in the Reaction of ¹¹⁵In with ¹⁶O Ions. Chinese Physics C, 1994, 18(6): 481-488.
[10]	Wang Sufang , Zheng Jiwen , Liu Guoxing , Chen Keliang , Bat Xingping , Zheng Pingzi , Zhang Huanqiao , Xu Jincheng , Liu Zuhua , Ruan Ming , LV Jun , Xu Kan . Complete Fusion Excitation Function for the ¹⁶O+^natS Reaction. Chinese Physics C, 1994, 18(1): 6-12.
[11]	QIAN Xing , ZHANG Huan-Qiao , LIU Zu-Hua , XU Jin-Cheng , CHEN Shao-Lin , XU Kan , LU Li-Xin . Fission Fragment Angular Correlation in the Reaction Induced by 84.0MeV ¹⁶O Bombarded ²³⁸U. Chinese Physics C, 1993, 17(2): 173-178.
[12]	WANG Su-Fang , ZHENG Ji-Wen , LIU Guo-Xing , CHEN Ke-Liang , BAI Xing-Ping , YU Xian , ZHENG Ping-Zi , ZHANG Huan-Qiao , XU Jin-Cheng , LIU Zu-Hua , XU Kan , RUAN Ming , LV Jun . Measurement of the Complete Fusion Excitation Function for the ¹⁶O+¹²C Reaction. Chinese Physics C, 1992, 16(5): 453-460.
[13]	ZHENG Ji-Wen , ZHENG Zi-Ping , LIU Guo-Xing , CHEN Ke-Liang , WANG Su-Fang , BAI Xing-Ping , YU Xian , ZHANG Huan-Qiao , XU Jin-Cheng , LIU Zu-Hua , RUAN Ming , LV Jun , XU Kan . Measurement of the Complets Fusion Excitation Function for the ¹⁶O+²⁸Si Reaction. Chinese Physics C, 1992, 16(7): 640-646.
[14]	GAO Huai-Lin , ZHOU Zuo-Xu , ZHAO Wei-Qin . Analysis of the Width of the Momentum Distribution of He Fragments Produced in Relativistic ¹⁶O+Em Collisions. Chinese Physics C, 1992, 16(1): 38-43.
[15]	LI Wen-Xin , SUN Tong-Yu , WU Ding-Qing , JIN Gen-Ming , SUN Ru-Lin , LI Yun-Sheng , ZHAO Li-Li , WANG Su-Fang . Complete and Incomplete Fusion in the Reaction of ⁶⁵Cu With ¹⁶O Ions. Chinese Physics C, 1991, 15(4): 329-335.
[16]	LIU Guo-Xing , CHEN Ke-Liang , ZHENG Ji-Wen , WANG Su-Fang , BAI Xing-Ping , YU Xian , FAN Zhi-Guo . MEASUREMENT OF FISSION FRAGMENT ANGULAR DISTRIBUTION IN HEAVY-IONS INDUCED REACTION. Chinese Physics C, 1989, 13(8): 733-739.
[17]	SHEN Wen-Qing , ZHAN Wen-Long , ZHU Yong-Tai , YIN Shu-Zhi , GUO Zhong-Yan , QI Wei-Min , FAN Guo-Ying , JIN Gen-Ming , LI Song-Lin , ZHANG Zhen , ZHANG Yu-Hu . COINCIDENCE MEASUREMENT BETWEEN α-PARTICLES AND PROJECTILE-LIKE FRAGMENTS IN REACTION OF 82.7MeV ¹⁶O ON ²⁷Al. Chinese Physics C, 1987, 11(1): 104-110.
[18]	DAI Guang-Xi , , , , , , , , , , , . THE SHELL EFFECT IN SEQUENTIAL FISSION INDUCED BY ²³⁸U WITH ENERGY JUST ABOVE COULOMB BARRIER. Chinese Physics C, 1985, 9(4): 454-460.
[19]	LIU BO , WU ZONG-EN . A MICROSCOPIC CALCULATION OF π⁺-¹⁶O ELASTIC SCATTERING. Chinese Physics C, 1981, 5(1): 134-136.
[20]	LIU GOU-XING , WANG ZJO-GOU , YIN SHU-ZHI , HAO BIN-GAN , YUAN SHUANG-GUI , XIA XING-SHUO . ANGULAR DISTRIBUTIONS OF FISSION FRAGMENTS AND THE SHAPES OF THE SADDLE POINT OF COMPOUND NUCLEI. Chinese Physics C, 1978, 2(3): 242-248.

Access

Get Citation

ZHANG Huan-Qiao, LIU Zu-Hua, XU Jin-Cheng, RUAN Ming, QIAN Xing, XU Kan and LV Jun. Fission-Fragment Angular Distributions for the ¹⁶O+²³⁸U Near-and Sub-Barrier Fusion-Fission Reaction[J]. Chinese Physics C, 1992, 16(9): 826-831.

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 1900-01-01
Revised: 1900-01-01

Article Metric

Article Views(2487)
PDF Downloads(497)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Fission-Fragment Angular Distributions for the ¹⁶O+²³⁸U Near-and Sub-Barrier Fusion-Fission Reaction

Corresponding author: ZHANG Huan-Qiao,

Institute of Atomic Energy,China,102413

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1992-09-05

Abstract: Fission cross sections and angular distributions have been measured for the ¹⁶O+²³⁸U reaction at bombarding energies from 73.7 to 93.7 MeV.The fission excitation function is well reproduced on the basis of Wong model.The fission-fragment angular distributions are calculated in terms of the transition-state theory,with the transmission coefficents extracted from the excitation function calculation.It is found that a discrepancy between the observations and the predictions in angular anisotropy of fission fragments exists at near-and sub-barrier energies.Moreover the tendency of the anistropies as a function of the center-of-mass energy aren't the same as previous measurement results.

HTML

Reference (1)

Fission-Fragment Angular Distributions for the ¹⁶O+²³⁸U Near-and Sub-Barrier Fusion-Fission Reaction

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article

Fission-Fragment Angular Distributions for the ¹⁶O+²³⁸U Near-and Sub-Barrier Fusion-Fission Reaction

Corresponding author: ZHANG Huan-Qiao,

HTML

目录

Fission-Fragment Angular Distributions for the 16O+238U Near-and Sub-Barrier Fusion-Fission Reaction

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article

Fission-Fragment Angular Distributions for the 16O+238U Near-and Sub-Barrier Fusion-Fission Reaction

Corresponding author: ZHANG Huan-Qiao,

HTML

目录

Fission-Fragment Angular Distributions for the ¹⁶O+²³⁸U Near-and Sub-Barrier Fusion-Fission Reaction

Fission-Fragment Angular Distributions for the ¹⁶O+²³⁸U Near-and Sub-Barrier Fusion-Fission Reaction