First Observation of <SUP>131</SUP>Pm Decay

Gan Zaiguo; Guo Junsheng; Shi LIjun; Liu HOngye; Qin Zhi; Guo Tianrui; Lei Ziangguo; Ma Ruichang; Huang Wenxue; Yuan Shuanggui; Zhang Xueqian; Jin Genming

Chinese Physics C> 1998, Vol. 22> Issue(8) : 673-677

First Observation of ¹³¹Pm Decay

Institute of Modern, The Chinese Academy of Sciences, Lanzhou 730000

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Abstract：
¹³¹Pm nucleus was produced in the ¹⁰⁶Cd (³²S,3p4n) ¹³¹Pm reaction. Theproducts were transported by helium jet and tape system, and X,γ single spectra and X-γ,γ-γ coincidence spectra were measured. The half-life of ¹³¹Pm has beendetermined to be (6.3±0.8)s. A partial decay scheme of ¹³¹Pm is proposed.

References

[1]

Nowicki G P, Buschmann J, Hanser A et al. Nucl. Phys., 1975, A249:76-92[2] Klinken J Van, Feenstra S J. Phys. Rev., 1975, C12(6):2111-2114[3] Redon N, Ollivier T, Beraud B et al. Z. Phys., 1986, A325:127-138[4] Shaheen Rab. Nucl. Data Sheets, 1995, 75:491-665[5] Wilrnarth P A, Nitschke J M et al. Z. Phys., 1985, A321: 179-180[6] James A N, Connell K A et al. Daresbury Annual Reports 1985/86.103[7] Sergeenkov Yu V, Knazov Yu L et al. Nucl. Data Sheets, 1994,72:487-615[8] Bogdanov D D, Dernyanov A V et al. Nucl. Phys., 1977, A275:229-236

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Gan Zaiguo, Guo Junsheng, Shi LIjun, Liu HOngye, Qin Zhi, Guo Tianrui, Lei Ziangguo, Ma Ruichang, Huang Wenxue, Yuan Shuanggui, Zhang Xueqian and Jin Genming. First Observation of ¹³¹Pm Decay[J]. Chinese Physics C, 1998, 22(8): 673-677.

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

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沈阳化工大学材料科学与工程学院沈阳 110142

First Observation of ¹³¹Pm Decay

Corresponding author: Gan Zaiguo,

Institute of Modern, The Chinese Academy of Sciences, Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1998-08-05

Abstract: ¹³¹Pm nucleus was produced in the ¹⁰⁶Cd (³²S,3p4n) ¹³¹Pm reaction. Theproducts were transported by helium jet and tape system, and X,γ single spectra and X-γ,γ-γ coincidence spectra were measured. The half-life of ¹³¹Pm has beendetermined to be (6.3±0.8)s. A partial decay scheme of ¹³¹Pm is proposed.