Measurent of cross-section for <SUP>181</SUP>Hf(n,γ)<SUP>182</SUP>Hf Reaction

CHOU Jiu-Zi; YAN Xin-Yi; HE Ming; DONG Ke-Jun; ZHANG Chun-Hua; ZHANG Jin-Song; DENG Hui; CHEN Xi-Lin; JIANG Shan

Chinese Physics C> 2005, Vol. 29> Issue(7) : 648-650

Measurent of cross-section for ¹⁸¹Hf(n,γ)¹⁸²Hf Reaction

Department of Nuclear Physics,China Institute of Atomic Energy,Beijing 102413,China2 Chinese People´s Armed Police Force Academy,Langfang 065000,China3 Nuclear Power Institute of China,Chengdu 610005,China

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Abstract：
The reactor neutron cross-section for 181Hf (n,γ) 182Hf reaction has been measured with the activation method at the heavy water research reactor of China Institute of Atomic Energy. Thermal ionization mass spectrometry was used to determine the 182Hf/180Hf and 181Hf/180Hf atom ratios of the irradiated sample. The reactor neutron cross-section for 181Hf (n,γ) 182Hf reaction is 80.0±5.6 b, given by 14.80±0.60 b for the 180Hf (n,γ) 181Hf reaction as a reference.

References

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. Klochkov E P, Risovany V D. At. Energ. Rubezh. , 1987, 10: 12- 152. Wing J, Swartz B A, Uizenga J RH . Phys. Rev. , 1961, 123: 1354 -1355.3. Vockenhuber C, Oberli F, Bichler M et al. Phys. Rev. Lett. , 2004,93.: 172501..1- 44. Cho H..J, Kobayashi K, Yamamoto S et al. Nucl. Instrum. Methods inPhys. Res. , 2001, A462: 442- 4505. Ayoub A S, McGaww B A, Midwood A J . Talanta , 2002, 57: 405 - 413

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CHOU Jiu-Zi, YAN Xin-Yi, HE Ming, DONG Ke-Jun, ZHANG Chun-Hua, ZHANG Jin-Song, DENG Hui, CHEN Xi-Lin and JIANG Shan. Measurent of cross-section for ¹⁸¹Hf(n,γ)¹⁸²Hf Reaction[J]. Chinese Physics C, 2005, 29(7): 648-650.

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Received: 2004-11-01
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

Measurent of cross-section for ¹⁸¹Hf(n,γ)¹⁸²Hf Reaction

Corresponding author: CHOU Jiu-Zi,

Department of Nuclear Physics,China Institute of Atomic Energy,Beijing 102413,China2 Chinese People´s Armed Police Force Academy,Langfang 065000,China3 Nuclear Power Institute of China,Chengdu 610005,China

Received Date: 2004-11-01
Accepted Date: 1900-01-01
Available Online: 2005-07-05

Abstract: The reactor neutron cross-section for 181Hf (n,γ) 182Hf reaction has been measured with the activation method at the heavy water research reactor of China Institute of Atomic Energy. Thermal ionization mass spectrometry was used to determine the 182Hf/180Hf and 181Hf/180Hf atom ratios of the irradiated sample. The reactor neutron cross-section for 181Hf (n,γ) 182Hf reaction is 80.0±5.6 b, given by 14.80±0.60 b for the 180Hf (n,γ) 181Hf reaction as a reference.