MEASUREMENT OF LOW MAGNETIC FIELD DISTRIBUTION OF A β SPECTROMETER

SUN Chen-Ren; LIN Shu-Yan; MAO Nai-Feng; SI Guo-Jian; WU Deng-Xi

Chinese Physics C> 1986, Vol. 10> Issue(3) : 371-373

MEASUREMENT OF LOW MAGNETIC FIELD DISTRIBUTION OF A β SPECTROMETER

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Abstract：
The low magnetic field distribution of an iron-core double-focusing low-energy β spectrometer is measured with a second harmonic magnetic flux gate magnetometer, the relative measuring precision is better than ±0.05%. The field strength of the spectrometer is about 10G. This spectrometer is used to measure the β spectrum from tritium β decay for estimating the rest mass of electron antineutrion.

References

[1]

茅乃丰等, 2550双聚焦质分析磁场一离子光学设计和场成形计算, 1979年全国加速器技术交流会论文选集, 成都, 第438页.[2] Naifeng Mao(茅乃丰)et al., Magnetic Field Shaping of an Iron-core Double-focusing Low-energy Spectrometer", submitted to the 9th Int. Conf, on Magnet Technology, Zurich, Switzerland, Sept.9-13, 1985.[3] 孙亲仁等编, 分析磁铁设计和测量, 第三分册:磁场测量方法, 北京电机工程学会, 1980.[4] 地质矿产部北京地质仪器厂.CHO-1型毫奥计研制报告, 1982.

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SUN Chen-Ren, LIN Shu-Yan, MAO Nai-Feng, SI Guo-Jian and WU Deng-Xi. MEASUREMENT OF LOW MAGNETIC FIELD DISTRIBUTION OF A β SPECTROMETER[J]. Chinese Physics C, 1986, 10(3): 371-373.

SUN Chen-Ren, LIN Shu-Yan, MAO Nai-Feng, SI Guo-Jian and WU Deng-Xi. MEASUREMENT OF LOW MAGNETIC FIELD DISTRIBUTION OF A β SPECTROMETER[J]. Chinese Physics C, 1986, 10(3): 371-373. shu

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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

MEASUREMENT OF LOW MAGNETIC FIELD DISTRIBUTION OF A β SPECTROMETER

Corresponding author: SUN Chen-Ren,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1986-06-05

Abstract: The low magnetic field distribution of an iron-core double-focusing low-energy β spectrometer is measured with a second harmonic magnetic flux gate magnetometer, the relative measuring precision is better than ±0.05%. The field strength of the spectrometer is about 10G. This spectrometer is used to measure the β spectrum from tritium β decay for estimating the rest mass of electron antineutrion.