Application of a wedge strip anode in micro-pattern gaseous detectors

TIAN Yang; YANG Yi-Gang; LI Yu-Lan; LI Yuan-Jing

doi:10.1088/1674-1137/37/5/056001

Chinese Physics C> 2013, Vol. 37> Issue(5) : 056001 DOI: 10.1088/1674-1137/37/5/056001

Application of a wedge strip anode in micro-pattern gaseous detectors

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Abstract：
The wedge strip anode (WSA) has been widely used in 2-D position-sensitive detectors. A circular WSA with an effective diameter of 52 mm is successfully coupled to a tripe gas electron multiplier (GEM) detector through a simple resistive layer. A spatial resolution of 440 μm (FWHM) is achieved for a 10 kVp X-ray using 1 atm Ar: CO₂=70:30 gas. The simple electronics of only three channels makes it very useful in applications strongly requiring simple interface design, e.g. sealed tubes and high pressure detectors.

References

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TIAN Yang, YANG Yi-Gang, LI Yu-Lan and LI Yuan-Jing. Application of a wedge strip anode in micro-pattern gaseous detectors[J]. Chinese Physics C, 2013, 37(5): 056001. doi: 10.1088/1674-1137/37/5/056001

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Received: 2012-06-18
Revised: 2012-07-04

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