A two dimensional multiwire proportional chamber imaging device with delay line readout
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A two dimensional multiwire proportional chamber imaging device with delay line readout
Nuclear TechniquesVol. 08, Issue 5, (1985)
作者机构:
中国科学院上海原子核研究所
作者简介:
基金信息:
DOI:
CLC:
Received:20 January 1984,
Published:1985
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Yuzheng Wang, Guodong Wu, Liren Jiang, et al. A two dimensional multiwire proportional chamber imaging device with delay line readout[J]. Nuclear techniques, 1985, 08(5): 5-8,56.
DOI:
Yuzheng Wang, Guodong Wu, Liren Jiang, et al. A two dimensional multiwire proportional chamber imaging device with delay line readout[J]. Nuclear techniques, 1985, 08(5): 5-8,56.DOI:
A two dimensional multiwire proportional chamber imaging device with delay line readout
A two-dimensional multiwire proportional chamber (MWPC) imaging device with delay line readout is described. It consists of a multiwire proportional chamber
a delay line
a main amplifier
a timing single channel amplitude analyser and a time to amplitude converter. The MWPC is based on the gas flow of Ar-CO
2
. Its sensitive area is 20×20cm
2
. Spatial resolution is 2.06mm. A phase-compensated distributive parameter electromagnetic delay line is used. Its delay rate is 6.3ns/mm
the rise-time is 100 ns The time shift of the timer is 1 ns (for dynamic range 13:1) . The radioactive distribution of the
14
C labelled compounds on the paper chromatogram and photograph of the special ring model imaging are given.
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references
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Preliminary experimental research of detail sensitivity in fast neutron radiography
Effect of photonic crystal prepared by different methods on the spatial resolution of scintillator-based synchrotron radiation imaging detector
Influence of scintillator’s thickness on imaging quality of lens-coupled hard X-ray imaging detector
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