Internal Conversion Effect Applications in Identifying New Neutron-Rich Nuclides in the Rare-Earth Region

Zhang Xueqian; Yuan Shuanggui; Yang Weifan; Li Zongwei; Mou Wantong; Yu Xian; Luo Yixiao; Guo Tianrui

Chinese Physics C> 1997, Vol. 21> Issue(3) : 201-204

Internal Conversion Effect Applications in Identifying New Neutron-Rich Nuclides in the Rare-Earth Region

Institute of Modern Physics,The Chinese Scademy of Sciences,Lanzhou 730000

Abstract
HTML
Reference
Related

PDF

Abstract：
The new neutron-rich isotope ¹⁷⁵Er activity was produced via the reaction ¹⁷⁶Yb(n,2p)by 14MeV neutron irradiation of natural ytterbium metals. When nuclide ¹⁷⁵Er decayed to its daughter nuclide ¹⁷⁵Tm, Tm characteristic X rays would be emitted with a certain ratio due to the internal conversions.So X-γ and γ-γ coincidence measurements were employed to successfully identify the neutron-rich isotope activities of rare-earth element from other rare-earth reaction products.And a partial decay scheme of ¹⁷⁵Er has been proposed for the first time.

References

[1]

戴光曦, 实验原子核物理, 原子能出版社(1995) p 101.[2] Yuan Shuanggui et al., Z. Phys., A344(1993)355.[3] Yuan Shuanggui et al., Z. Phys., A346(1993)187.[4] Lrpvhqiden. G et al., Nucl. Phys., ,4327 (1976164.[5] Zhang Xueqian, Yuan Shuanggui et al, The y decay of a new neutronrich nucleus ,175Er, Z. Phys., to be published.

[1]	LI Chen , YE Yan-Lin , ZHAN Wen-Long , XIAO Guo-Qing , XU Hu-Shan , GUO Zhong-Yang , WANG Jian-Song , SUN Zhi-Yu , LI Jia-Xing , WANG Meng , CHEN Zhi-Qiang , JIANG Dong-Xing , , , , . Measurement of Total Reaction Cross Section for Neutron-Rich Nucleus ¹¹Li on ²⁸Si Target at Medium Energy. Chinese Physics C, 2007, 31(12): 1102-1105.
[2]	YAO You-Kun , PAN Feng , LUO Yan-An , LIU Hai-Yan , XIE Ming-Xia . Description of Rare-Earth and Actinide Nuclei in the Nilsson Mean-Field Plus Nearest-Orbit Pairing Interaction Model. Chinese Physics C, 2006, 30(S2): 56-58.
[3]	MA Yu-Gang , WEI Yi-Bin , SHEN Wen-Qing , CAI Xiang-Zhou , CHEN Jin-Gen , FANG De-Qing , GUO Wei , MA Guo-Liang , SU Qian-Min , TIAN Wen-Dong , WANG Kun , ZHONG Chen , ZHOU Xing-Fei . HBT Study of Reactions Induced by Neutron-Rich Nuclei at Intermediate Energy. Chinese Physics C, 2004, 28(S1): 16-20.
[4]	ZHANG Zhu-Feng , JIN Hong-Ying . Effect of Instanton on the QCD Sum Rule of 0⁺⁺ Glueball. Chinese Physics C, 2004, 28(3): 245-249.
[5]	Soojae Im , LI Zeng-Hua . Properties of the Neutron Mean Potential in the Neutron-Rich Nuclei. Chinese Physics C, 2003, 27(6): 507-510.
[6]	ZHOU Chun-Mei , HUANG Xiao-Long , WU Zhen-Dong . Internal Conversion Electron Energies and Their Absolute Intensities Calculation. Chinese Physics C, 2002, 26(2): 148-151.
[7]	XU Shu-Wei , LI Zhan-Kui , XIE Yuan-Xiang , YU Yong , PAN Qiang-Yan , WANG Chun-Fang , XING Jian-Ping , MA Rui-Chang , CE Yuan-Xiu , WANG Xu-Dong . Nen β-Delayed Proton Decays in the Rare-Enrth Region Near the Proton Drip Line. Chinese Physics C, 2000, 24(S1): 73-80.
[8]	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.
[9]	He Jianjun , Yang Weifan , Yuan Shuanggui , Ma Taotao , Li Zongwei , Xiong Bing , Xu Yanbing . Identification of New Isotope ²³⁸Th. Chinese Physics C, 1999, 23(11): 1044-1048.
[10]	Xu Shuwei¹ , Li Zhankul¹ , Xie Yuanxiang¹ , Pan Qiangyan¹ , Yu Yong¹ , J.Adam² , Wang Chunfang¹ , king Jianping¹ , Hu Qingyuan¹ , Li Shihong¹ , Chen Hongyan¹ , Zhang Tianmei¹ , Jin Genming<sup . Six New Nuclides Near the Proton-drip Line in the Rare-earth Region. Chinese Physics C, 1999, 23(6): 589-593.
[11]	Zhao Jinhua , Zhang Li , Zheng Jiwen , Wang Jicheng , Qin Zhi , Yang Yongfeng , Zhang Chun , Jin Genming , Guo Guanghui , Du Yifei , Guo Tianrui , Wang Tongqing , Guo Bin , Tan Jinfeng . New Heavy Neutron-Rich Nuclide ²⁰⁹Hg. Chinese Physics C, 1998, 22(10): 959-960.
[12]	Xie Yuanxiang , Xu Shuwei , Li Zhankui , Ma Ruichang , Ge Yuanxiu , Wang Chunfang , Huang Wenxue , Zhang Tianmei . Synthesis and Study of the New β-delayed Proton Precursor Ce in the Region of Proton-drip Line. Chinese Physics C, 1997, 21(7): 668-671.
[13]	Liu Guanhua . Measurements of Electric Quadrupole Moments of Neutron-Rich Nuclei ¹⁴B and ¹⁵B. Chinese Physics C, 1996, 20(9): 778-782.
[14]	Guo Junsheng , Gan Zaiguo , Liu Hongye , Shi Lijun , Yang Weifan , Mou Wantong , Guo Tianrui , Fang Keming , Shen Shuifa , Yuan Shuanggui , Zhong Jiquan , Zhang Xueqian , Qin Zhi , Ma Ruichang , Wang Shuhong , Kong Dengming , Qiao Jimin . Synthesis and Identification of the New Transuranium Neutron-deficient Isotope ²³⁵Am. Chinese Physics C, 1996, 20(3): 286-288.
[15]	Yang Weifan , Yuan Shuanggui , Mou Wantong , Zhang Xueqian , Li Zongwei , Yu Xian , Gan Zaiguo , Liu Hongye , Guo Yingxiang , Zhao Jinhua , Lei Xiangguo , Guo Junsheng , Du Yifei , Zhao Lili , Zhang Xiang . A New Heavy Neutron-Rich Isotope ²³⁹Pa. Chinese Physics C, 1995, 19(5): 479-480.
[16]	Wang Jicheng , Zhao Jinhua , Guo Guanghui , Yang Yongfeng , Zhang Li . 4π△E_β Detector and Its Application to Researching Neutron-Rich Nuclides. Chinese Physics C, 1995, 19(7): 653-657.
[17]	YUAN Shuang-Gui , ZHANG Tian-Mei , XU Shu-Wei , LI Zong-Wei , PAN Qiang-Yan , ZHAO Zhi-Zheng , YANG Wei-Fan , ZHANG Xue-Qian , LI Wei-Sheng , YIN Xi-Jin , DU Yi-Fei , WANG Yi-Hao . The Synthesis and Identification of New Neutron-Rich Heavy Nuclide ²³⁷Th. Chinese Physics C, 1993, 17(10): 959-960.
[18]	ZHOU Chun-Mei . Calculation of Multipolarity Mixing Ratio and Internal Conversion Coefficients for γ Transition. Chinese Physics C, 1993, 17(10): 955-958.
[19]	ZHU Sheng-Jiang . Research on Level Structures of Neutron-Rich Nuclei and Shape Phase Transitions Around A～100 and 150 Regions. Chinese Physics C, 1993, 17(4): 353-361.
[20]	WANG Bing , SHEN Wen-Qing , FENG Jun , ZHU Yong-Tai , FENG En-Pu . THE NEUTRON EXCESS DEPENDENCE OF TOTAL REACTION CROSS SECTION IN THE INTERMEDIATE ENERGY DOMAIN. Chinese Physics C, 1989, 13(6): 553-559.

Access

Get Citation

Zhang Xueqian, Yuan Shuanggui, Yang Weifan, Li Zongwei, Mou Wantong, Yu Xian, Luo Yixiao and Guo Tianrui. Internal Conversion Effect Applications in Identifying New Neutron-Rich Nuclides in the Rare-Earth Region[J]. Chinese Physics C, 1997, 21(3): 201-204.

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

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

Article Metric

Article Views(2838)
PDF Downloads(615)
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

Internal Conversion Effect Applications in Identifying New Neutron-Rich Nuclides in the Rare-Earth Region

Corresponding author: Zhang Xueqian,

Institute of Modern Physics,The Chinese Scademy of Sciences,Lanzhou 730000

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1997-03-05

Abstract: The new neutron-rich isotope ¹⁷⁵Er activity was produced via the reaction ¹⁷⁶Yb(n,2p)by 14MeV neutron irradiation of natural ytterbium metals. When nuclide ¹⁷⁵Er decayed to its daughter nuclide ¹⁷⁵Tm, Tm characteristic X rays would be emitted with a certain ratio due to the internal conversions.So X-γ and γ-γ coincidence measurements were employed to successfully identify the neutron-rich isotope activities of rare-earth element from other rare-earth reaction products.And a partial decay scheme of ¹⁷⁵Er has been proposed for the first time.

HTML

Reference (1)

Internal Conversion Effect Applications in Identifying New Neutron-Rich Nuclides in the Rare-Earth Region

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article