A normal-pressure MWPC for beam diagnostics at RIBLL2  

作　　者：唐述文 马朋 段利敏 孙志宇 鲁辰桂 杨贺润 胡荣江 黄文学 徐瑚珊 

机构地区：[1]Institute of Modern Physics, Chinese Academy of Sciences [2]University of Chinese Academy of Sciences

出　　处：《Chinese Physics C》2013年第6期59-62,共4页中国物理C（英文版）

基　　金：Supported by National Natural Science Foundation of China(11079044)

摘　　要：A normal pressure MWPC for beam diagnostics at RIBLL2 has been developed, wmcn has a sensluve area of 80 mm×80 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 55Fe X-ray source and a 200 MeV/u ^12C beam from CSRm. A position resdution better than 250 μm along the anode wires and a detection efficiency higher than 90% have been achieved.A normal pressure MWPC for beam diagnostics at RIBLL2 has been developed, wmcn has a sensluve area of 80 mm×80 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 55Fe X-ray source and a 200 MeV/u ^12C beam from CSRm. A position resdution better than 250 μm along the anode wires and a detection efficiency higher than 90% have been achieved.

关 键 词：MWPC beam diagnostics delay line readout position resolution detection efficiency 

分 类 号：TL65[核科学技术—核技术及应用]