CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF <SUP>232</SUP>Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb

LI Wen-Xin; SUN Tong-Yu; SUN Xiu-Hua; FU Min; DONG Tian-Rong; ZHENG Man-Jiao

Chinese Physics C> 1987, Vol. 11> Issue(3) : 376-383

CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF ²³²Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb

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Abstract：
The 12 cumulative yields and 7 independent yields in the symmetric region were determined in the fission of ²³²Th induced by 14.7MeV neutrons with nuclear chemistry techniques. The independent yields of the present work, along with the independent yields obtained in our previous work, were used to calculate the empirical Z_p values on the basis of a Gaussian charge distribution function with a σ of 0.56. A mean value of 0.49±0.25 for ΔZ(=Z_p—Z_UCD) is obtained from all Z_p values in the asymmetric region. Abnormal ΔZ values in the symmetric region seem to suggest that the width of charge distribution for symmetric splits is larger than the value of 0.56. The results show strongly in favor of the Two-Mode-Fission-Hypothesis.

References

[1]

A. C. Wahl et al., Phys. Rev., 126(1962), 1112.[2] A. C. Wahl et al., in Proceedings of the Second International Symposium on the Physics and Chemistry of Fission, Vienna, P. 813, 1969.[3] H. Gaggeler et al., J. Inorg. Nucl. Chem., 38(1976), 205.[4] H. GHggeler and H. R. Von Gunten, Phys. Rev., C17(1978), 172.[5] S. A. Rao, Phys. Rev., C5(1972), 171.[6] A. C. Wahl et al., Phys. Rev., C32(1985), 184.[7] 李文新等, 高能物理与核物理, 6(1982),365.[8] A. S. Rao et al., J. Inorg. Nucl. Chem., 31(1969), 591.[9] S. A. Rao and P. K. Kuroda, J. Inorg. Nucl. Chem., 35(1973), 1443.[10] 孙彤玉、孙秀华等, 近代物理研究所内部资料, 1982年.[11] 李文新等, 核化学与放射化学, 2(1980), 9.[12] D. L. Swindle et al., J. Inorg. Nucl. Chem., 33(1971), 651.[13] U. Reus et al., Comma-Ray Cazalog, CSI-Report 79-2.[14] L. H. Gevaert et al., Can. J. Chcm., 48(1970), 641.[15] R. Ganapathy and P. K. Kuroda, J. Inorg. Nucl. Chcm., 28(1966), 2071.[16] Tin Mo and M. N. Rao, J. Inorg. Nucl. Chcm., 30(1968), 345.[17] H. N. Erten et al., Phys. Rev., C25(1982), 2519.[18] K. Wolfsberg, Phys. Rev., 137, 4B(1965), 929.[19] J. P. Bocquet et al., Nucl. Phys., A189(1972), 556.[20] H. 0. Denschlag and S. M. Qain, J. Inorg. Nucl. Chem., 33(1971), 3649.[21] C. D. Coryell, M. Kaplan and R. D. Fink, Can. J. Chem., 39(1961), 646.[22] D. R. Nethaway and B. Mendoza, Phys. Rev., C6(1972), 1827.[23] E. C. A. Crouch, Atomic Daza and Nuclear Daza Table, 19(1977).[24] D. R. Nethaway and B. Mendoza, Phys. Rev., C6(1972). 1821.[25] D. R. Nethaway and A. E. Richardson, J. Inorg. Nucl. Chem., 43(1981), 889.

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[2]	, , , , . Cross-section measurements for (n, 2n) reactions on stannum isotopes in the neutron energy range of 13.5 to 14.6 MeV. Chinese Physics C, 2008, 32(1): 28-30. doi: 10.1088/1674-1137/32/1/006
[3]	HE Guo-Zhu , TUO Fei , KONG Xiang-Zhong . (n,2n),(n,p) and (n,α) Reactions Cross-Sections Measurement on Selenium Isotopes at Neutron Energy of 14MeV. Chinese Physics C, 2006, 30(9): 844-847.
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[7]	Xu Yanbing , Yuan Shuanggui , Yang Weifan , He Jianjun , Li Zongwei , Ma Taotao , Xiong Bing , Qin Zhi , Mou Wantong , Gan Zaiguo , Shi Lijun , Guo Tianrui , Chen Zhantu , Guo Junsheng . A New Heavy Neutron-rich Isotope ²³⁸Th. Chinese Physics C, 1999, 23(1): 93-95.
[8]	Lin Yuangen , Zhan Wenlong , Guo Zhongyan , Zhou Jianqun , Zhao Youxiong , Liu Guanhua , Wang Jinchuan , Luo Yongfeng , Lei Huaihong , Qi Zhong , Zhang Wansheng , Qin Lijun . Study of Isotopic Distributions of the Fragments from the 25MeV/u ⁴⁰Ar Induced Reactions. Chinese Physics C, 1998, 22(5): 393-397.
[9]	Zhang Li , Zheng Jiwen , Zhao Jinhua , Qin Zhi , Yang Yongfeng , Hu Qingyuan , Zhang Chun , Wang Jicheng , Guo Tianrui , Jin Genming . Independent Yield Measurement for the Hg-Isotope Products From 600MeV ¹⁸O+^natPb (Thick Target) System (Ⅱ) Experiment Results and Analysis. Chinese Physics C, 1998, 22(12): 1068-1073.
[10]	Zhang Li , Zhao Jinhua , Zheng Jiwen , Qin Zhi , Yang Yongfeng , Zhang Chu , Wang Jicheng , Guo Tianrui , Jin Genming , Hu Qingyuan . Independent Yield Measurement for the Hg-Isotope Products From 600 MeV ¹⁸O+^natPb(thick target) System (Ⅰ) Experiment and Technique. Chinese Physics C, 1998, 22(11): 969-976.
[11]	Wang Zhenxia , Wang Minmin , Zhu Fuying , Ji Guifang , Luo Wenyun , Li Xinnian , Wang Chuanshan . The Nonlinear Enhancement Effect of Sputered Ag-atoms With FeCl⁺ Bombardment. Chinese Physics C, 1997, 21(4): 304-310.
[12]	Yang Weifan , Yuan Shuanggui , Li Zongwei , He Jianjun , Ma Taotao , Fang Keming , Shen Shuifa , Gan Zaiguo , Pan Qiangyan , Mou Wantong , Su Denggui , Chen Zhantu , Guo Tianrui , Guo Junsheng , Liu Hongye , Shi Lijun , Zhao Zhizheng , Ma Huifang . A New Neu tron-rich Isotope:¹⁸⁶Hf. Chinese Physics C, 1997, 21(10): 958-959.
[13]	Wang Jicheng , Zhang Li , Guo Guanghui , Zhao Jinhua , Zheng Jiwen . Cross Section Measurements of Neutron-Rich Hg Isotopes in Reaction of 28MeV/u ¹⁸O with Thick Natural Lead Target. Chinese Physics C, 1995, 19(8): 686-691.
[14]	Hu Xiaoqing , Zhu Yongtai , Shen Wenqing , Li Songiin , Zhan Wenlong , Xi Hongfei , Zhu Xiang , Zhang Zhen . A Study on the Correlation Between Projectile-Like Fragments and a-Particles in ²⁰Ne(14.7,19.2 MeV/u) + ⁵⁸Ni Reactions. Chinese Physics C, 1992, 16(S1): 17-22.
[15]	ZHANG Li , JIN Gen-Ming , ZHAO Jin-Hua , YANG Wei-Fan , YANG Yong-Feng , ZHAO Zhi-Zheng , ZHENG Ji-Wen , SUN Xiu-Rong , LI Zong-Wei , QIN Zhi , WANG Ji-Cheng , GUO Guang-Hui . New Neutron-Rich Isotope ²⁰⁸Hg. Chinese Physics C, 1992, 16(8): 767-768.
[16]	Zhu Yongtai , Hu Xiaoqing , Shen Wenqing , Li Songlin , Zhan Wenlong , Zhang Zhen , Zhu Xiang . The Competition Between Transfer and Fragmentation Processes in ²⁰Ne (14.7 MeV/u, 19.2 MeV/u) Induced Reactions. Chinese Physics C, 1990, 14(S2): 195-199.
[17]	ZHU Yong-Tai , HU Xiao-Qing , SHEN Wen-Qing , LI Song-Lin , ZHAN Wen-Long , ZHANG Zhen , ZHU Xiang . THE COMPETITION BETWEEN TRANSFER AND FRAGMENTATION PROCESSES IN ²⁰Ne (14.7,19.2MeV/u) INDUCED REACTION. Chinese Physics C, 1990, 14(2): 184-187.
[18]	WU Jing-Min , LI Jian-Ping , LEI Chuan-Heng , LIU Lie-Fu . YIELD AND ANGULAR DISTRIBUTION MEASUREMENT OF NEUTRON RELEASED BY 80MeV ELECTRON INCIDENT ON TARGET. Chinese Physics C, 1987, 11(4): 433-436.
[19]	SONG Shi-Zhan . PROTONS AND ALPHA PARTICLES EMITTED FROM FISSION INDUCED BY 720MeV ¹²C ON ²³²Th. Chinese Physics C, 1985, 9(2): 200-206.
[20]	WANG CHENG-SHING . QUASI-THERMODYNAMIC THEORY ON FISSION CHARGE DISTRIBUTION. Chinese Physics C, 1982, 6(4): 466-471.

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LI Wen-Xin, SUN Tong-Yu, SUN Xiu-Hua, FU Min, DONG Tian-Rong and ZHENG Man-Jiao. CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF ²³²Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb[J]. Chinese Physics C, 1987, 11(3): 376-383.

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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

CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF ²³²Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb

Corresponding author: LI Wen-Xin,

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1987-06-05

Abstract: The 12 cumulative yields and 7 independent yields in the symmetric region were determined in the fission of ²³²Th induced by 14.7MeV neutrons with nuclear chemistry techniques. The independent yields of the present work, along with the independent yields obtained in our previous work, were used to calculate the empirical Z_p values on the basis of a Gaussian charge distribution function with a σ of 0.56. A mean value of 0.49±0.25 for ΔZ(=Z_p—Z_UCD) is obtained from all Z_p values in the asymmetric region. Abnormal ΔZ values in the symmetric region seem to suggest that the width of charge distribution for symmetric splits is larger than the value of 0.56. The results show strongly in favor of the Two-Mode-Fission-Hypothesis.

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CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF ²³²Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb

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CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF ²³²Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb

Corresponding author: LI Wen-Xin,

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CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF 232Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb

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CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF 232Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb

Corresponding author: LI Wen-Xin,

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CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF ²³²Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb

CHARGE DISTRIBUTION IN THE 14.7MeV-NEUTRON-INDUCED FISSION OF ²³²Th: INDEPENDENT YIELDS OF ISOTOPES OF Rh, Ag, In AND Sb