一个使用氦基混合气的小单元漂移室的实验研究

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:lbw001001
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利用宇宙线分别研究了一个小单元漂移室在He/C3H8(60/40)和He/CH4(60/40)两种氦基混合气下的性能.作为比较还测试了在Ar/CO2/CH4(89/10/1)混合气下的性能.研究表明上述氦基混合气的空间分辨和dE/dx分辨好于Ar/CO2/CH4(89/10/1)混合气.使用He/C8H8(60/40)可以获得110μm的空间分辨,在30-40次取样下dE/dx分辨可以达到6%-7%.
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