The measurement of the wire tension in constructing multi-wire proportional chambers

Zhe Zhang; Yu Zhou; Wenxiang Chen

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The measurement of the wire tension in constructing multi-wire proportional chambers

更新时间：2022-08-16

- The measurement of the wire tension in constructing multi-wire proportional chambers
- Nuclear Techniques Vol. 04, Issue 6, (1981)
- 作者机构：
  
  中国科学院高能物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：24 October 1979，
  
  Published：1981-12
- 稿件说明：
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Zhe Zhang, Yu Zhou, Wenxiang Chen. The measurement of the wire tension in constructing multi-wire proportional chambers[J]. Nuclear techniques, 1981, 04(6): 35-37.
DOI：

Zhe Zhang, Yu Zhou, Wenxiang Chen. The measurement of the wire tension in constructing multi-wire proportional chambers[J]. Nuclear techniques, 1981, 04(6): 35-37. DOI：

摘要

多丝正比室是高能物理实验中最常用的探测器之一。在多丝室制作过程中，有一个基本环节就是要严格控制金属丝的张力。目前，张力的测量方法一般有两种：一种是重物法，在拉紧的丝上加一小重物，通过测量丝的下垂，计算丝的张力；另一种是共振法，利用共振测量丝的固有振动频率，依此而算出张力。共振法还分两种方式：一是交变电流共振法，把丝置放在一恒定磁场中，在丝上通过交变电流，利用电磁力驱使丝振动。二是静电共振法，在丝附近放一个金属条，金属条与丝之间加高压低频交变电场，利用二者之间的库仑力使丝振动。实验结果表明，静电共振法效果最佳。其优点是：（1）测量精度高，约0.5%；（2）不直接接触丝，不会造成丝的机械损坏；（3）可以同时观察多根丝的张力情况，效率高，操作方便；（4）不在丝上通电流，功耗小，也不会引起因电流加热而产生的误差。

Abstract

Several methods for measuring the wire tension in constructing multi-wire proportional chambers (MWPC) have been discussed. One of these methods

tentatively named as the electrostatic resonance method

has been given in detail

including the principles of the method

the experimental set-up and the results. It has been shown that this method is easy to apply and the performance of it is satisfactory.

关键词

Keywords

references

梁昆淼，数学物理方法，人民教育出版社， 1960 年， 205页 .

Burns et al ., Nucl. Instr. Meth. , 106 , 173 ( 1973 ).

M. Cavalli-sforza et al ., Nucl. Instr. Meth. , 124 , 78 ( 1975 ).

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