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arXiv physics/0407026physics.ins-det
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ATLAS液氩强子端盖量能器:结构和选择束试验结果

The ATLAS liquid argon hadronic end-cap calorimeter: construction and selected beam test results

T. Barillari

摘要:

ATLAS为其强子端盖量热计(HEC)选择了具有平板几何形状和氩气中GaAs前置放大器的铜液氩采样技术。量热计的研制即将完成。生产质量检查的结果报告和热量计性能的预期影响进行了讨论。选定的结果,如线性度,电子和π介子能量分辨率,能量响应的均匀性,在束流测试中得到的强子端盖量能器本身,并在ATLAS配置中的HEC是在电磁端盖量能器(EMEC)的组合进行说明。

英文摘要:

ATLAS has chosen for its Hadronic End-Cap Calorimeter (HEC) the copper-liquid argon sampling technique with flat plate geometry and GaAs pre-amplifiers in the argon. The contruction of the calorimeter is now approaching completion. Results of production quality checks are reported and their anticipated impact on calorimeter performance discussed. Selected results, such as linearity, electron and pion energy resolution, uniformity of energy response, obtained in beam tests both of the Hadronic End-Cap Calorimeter by itself, and in the ATLAS configuration where the HEC is in combination with the Electromagnetic End-Cap Calorimeter (EMEC) are described.

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