Development of Low Pressure Position Sensitive Multiwire Proportional Chamber

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ZHANG Bao-Guo, WEN Wan-Xin, WEI Zhi-Yong, ZHANG Jin-Xia, FENG Ying, TAN Ji-Lian, JIN Gen-Ming, XIAO Zhi-Gang, WANG Hong-Wei, WU He-Yu, LI Zu-Yu, WANG Su-Fang and HU Rong-J. Development of Low Pressure Position Sensitive Multiwire Proportional Chamber[J]. Chinese Physics C, 2003, 27(11): 1023-1026.
ZHANG Bao-Guo, WEN Wan-Xin, WEI Zhi-Yong, ZHANG Jin-Xia, FENG Ying, TAN Ji-Lian, JIN Gen-Ming, XIAO Zhi-Gang, WANG Hong-Wei, WU He-Yu, LI Zu-Yu, WANG Su-Fang and HU Rong-J. Development of Low Pressure Position Sensitive Multiwire Proportional Chamber[J]. Chinese Physics C, 2003, 27(11): 1023-1026. shu
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Received: 2003-04-17
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

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Development of Low Pressure Position Sensitive Multiwire Proportional Chamber

    Corresponding author: ZHANG Bao-Guo,
  • School of Radiation Medicine and Public Health, Suzhou University, Suzhou 215007, China2 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Abstract: A low pressure two dimensional position sensitive multiwire proportional chamber (LPMWPC) has been developed for measurements of low Z charged particles from the nuclear reaction induced by radioactive ion beam. The detector has a 50mm×50mm sensitive area and consists of three grids (X-position cathode Y-position) . The position is determined through delay line readout mode. The detector has good beam transparency and is also adequate to be used in vacuum . The LPMWPC has been tested at a pressure of 800Pa of n-heptane and a bias Voltage of 720V. The test results indicate that the position resolution of the chamber is Δx = Δy = 1mm and detection efficiency is larger than 80% for the low Z particle at intermediate energies. This kind of chamber has be used to determine the direction of the incident particle.

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