Precise Measurement of Gamma Ray Energies with HPGe Spectrometer by Slithering Comparison Method

Zhang Tianbao; Wang Shuying; Wang Haidong; Shen Zhiqi; Meng Bonian

Chinese Physics C> 1993, Vol. 17> Issue(S1) : 25-31

Precise Measurement of Gamma Ray Energies with HPGe Spectrometer by Slithering Comparison Method

1 Application Division, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China;
2 EG&G Ortec Inc., China Office

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Abstract：
The energies of γ-rays from some nuclides around 500 keV have been measured by a slithering comparison with the precisely known γ-energies of ¹⁹²Ir. The energies determined by this method are:477603.18±0.44 eV for ⁷Be, 511852.70±0.58 eV for ¹⁰⁶Ru, 514004.87±0.52 eV for ⁸⁵Sr, 520399.01±0.63 eV for ⁸³Rb, 529594.48±0.69 eV for ⁸³Rb and 552551.14±0.68 eV for ⁸³Rb. Recalculate the result of a previous experiment by using the new energy measurement, the value of electron mass is obtained as 510998.6±1.1 eV which is in good agreement with the recently adjusted value of electron mass.

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Zhang Tianbao, Wang Shuying, Wang Haidong, Shen Zhiqi and Meng Bonian. Precise Measurement of Gamma Ray Energies with HPGe Spectrometer by Slithering Comparison Method[J]. Chinese Physics C, 1993, 17(S1): 25-31.

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Received: 1992-01-08

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Supported by the Selected Foundation of Chinese Academy of Sciences and the National Natural Science Foundation of China.

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Precise Measurement of Gamma Ray Energies with HPGe Spectrometer by Slithering Comparison Method

1 Application Division, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China;
2 EG&G Ortec Inc., China Office

Received Date: 1992-01-08

Fund Project: Supported by the Selected Foundation of Chinese Academy of Sciences and the National Natural Science Foundation of China.

Abstract: The energies of γ-rays from some nuclides around 500 keV have been measured by a slithering comparison with the precisely known γ-energies of ¹⁹²Ir. The energies determined by this method are:477603.18±0.44 eV for ⁷Be, 511852.70±0.58 eV for ¹⁰⁶Ru, 514004.87±0.52 eV for ⁸⁵Sr, 520399.01±0.63 eV for ⁸³Rb, 529594.48±0.69 eV for ⁸³Rb and 552551.14±0.68 eV for ⁸³Rb. Recalculate the result of a previous experiment by using the new energy measurement, the value of electron mass is obtained as 510998.6±1.1 eV which is in good agreement with the recently adjusted value of electron mass.