Precise Measurement of Gamma Ray Energies With HPGE Spectrometer by Slithering Comparison Method

ZHANG Tian-Bao; WANG Shu-Ying; WANG Hai-Dong; SHEN Zhi-Qi; MENG Bo-Nian

Chinese Physics C> 1993, Vol. 17> Issue(3) : 202-207

Precise Measurement of Gamma Ray Energies With HPGE Spectrometer by Slithering Comparison Method

Application Division Institute of High Energy Physics,Acadcmia Sinica,Beijing 1000801 EG&G Ortec ING.,China Office

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Abstract：
The energies of γ-rays from some nuclides around 500keV have been measured by a slithering comparison with the precisely known γ-energies of ¹⁹²Ir.The energies determined by this method are 477603.18(44)eV for ⁷Be,5.11852.70(58)eV for ¹⁰⁶Ru,514004.87(52)eV for ⁸⁵Sr,520399.01(63)eV for ⁸³Rb,529594.48(69)eV for ⁸³Rb and 552551.14(68)eV for ⁸³Rb,From the correction of the previous experiment by using the new result,the value of electron mass is obtained as 510998.6±1.1eV which is in good agreement with the recently adjusted value of electron mass.

References

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R. G. Helmet, R. C. GreenwoodR. J. Gehrke, Nuclear Instruments Methods, 96 (1971),L73.[2]R, G. Helmet, R. C. Greenwood R. J. G rhrke, ibid, 155 (1978), 189.[3]H. Kumahora, H. Iroue Y, Yoshizawa, ibid, 206 (1983), 489.[4]E. G. Kessler, et al., Phys. Rev. Letters,40(1978), 171.[5]张天保王海东沈智奇,高能物理与核物理,15(1991),486,[6]E. R. Cohen B. N. Taylor, CODATA Bullentin, No. 63 (1986), 1.[7]K. Shisuma, Nuclear Instruments Methods, 150 (1978), 447.[8]张天保徐敏,高能物理与核物理,1(1990)289,

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ZHANG Tian-Bao, WANG Shu-Ying, WANG Hai-Dong, SHEN Zhi-Qi and MENG Bo-Nian. Precise Measurement of Gamma Ray Energies With HPGE Spectrometer by Slithering Comparison Method[J]. Chinese Physics C, 1993, 17(3): 202-207.

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

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