科研之友
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摘要
A normal pressure MWPC for beam diagnostics at RIBLL2 has been developed, which has a sensitive area of 80 mmx80 mm and consists of three-layer wire planes. The anode plane is designed with a wider frame to reduce the discharge and without using protection wires. The detector has been tested with a Fe-55 X-ray source and a 200 MeV/u C-12 beam from CSRm. A position resolution better than 250 mu m along the anode wires and a detection efficiency higher than 90% have been achieved.
- 出版日期2013-6
- 单位中国科学院近代物理研究所; 中国科学院大学
