The status of the construction and the performance of the ATLAS liquid argon electromagnetic calorimeters

被引:0
|
作者
Lund-Jensen, B [1 ]
机构
[1] Royal Inst Technol, Dept Phys, S-10691 Stockholm, Sweden
关键词
calorimetry; large-scale systems; particle detectors; quality control;
D O I
10.1109/TNS.2004.832899
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The construction of the ATLAS liquid argon electromagnetic calorimeters is about to be completed. The barrel calorimeter and the first end-cap are inserted in their cryostats. The quality control performed during the production has resulted in only a very small fraction of malfunctioning channels (similar to0.1%) and a low constant term in the energy resolution. Several modules of the calorimeter and their corresponding presampler sectors have been tested in electron beams, and their energy resolution has been shown to be within the ATLAS requirements. The local constant term is better than 0.4% for all measured cells and the global constant term which includes the cell-to-cell response variation is less than 0.7%.
引用
收藏
页码:2181 / 2186
页数:6
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