A method to reduce the parallax error of multiwire proportional chambers

Wang Xiaohu; Lan Chaohui; Long Jidong; Zhang LinWen

doi:10.3788/HPLPB20122412.2906

Volume 24 Issue 12

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(12): 2906-2910

Li Mintang, Wang Guangdong, Zhang Chunhe, et al. Effect of pulse current waveform on sliding performance of solid armatures[J]. High Power Laser and Particle Beams, 2012, 24: 2763-2767. doi: 10.3788/HPLPB20122411.2763

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Wang Xiaohu, Lan Chaohui, Long Jidong, et al. A method to reduce the parallax error of multiwire proportional chambers[J]. High Power Laser and Particle Beams, 2012, 24: 2906-2910. doi: 10.3788/HPLPB20122412.2906

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A method to reduce the parallax error of multiwire proportional chambers

doi: 10.3788/HPLPB20122412.2906

1.
Fundamental Science on Nuclear Waste and Environmental Security Laboratory,Southwest University of Science and Technology,Mianyang 621010,China;
2.
Institute of Fluid Physics,CAEP,P.O.Box 919-106,Mianyang 621900,China

Received Date: 2012-03-06
Rev Recd Date: 2012-08-23
Publish Date: 2012-11-05

Abstract

Abstract

An method the reduce the parallax error of multi-wire proportional chambers (MWPCs) was introduced. The principle of the parallax error reduction is to divide the electrode planes of the detector into a series of small units, and the potential of each unit was set according to its distance to the sample position. Calculation shows that the method can significantly reduce the parallax error of MWPCs, and almost not deteriorate of the detectors primary electron collection efficiency and gain uniformity of the anode plane.
- multiwire proportional chambers,
- parallax error,
- non-uniform electrode,
- simulation

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