ATLAS瓷砖量热计时间校准，监测和性能运行2

Proceedings of 40th International Conference on High Energy physics — PoS(ICHEP2020) Pub Date : 2021-02-25 DOI:10.22323/1.390.0810

M. Mlynarikova, Atlas Tile Calorimeter System

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引用次数: 0

摘要

瓦式量热计是欧洲核子研究中心大型强子对撞机ATLAS实验的中心强子量热计。该取样装置以钢板为吸收剂，以闪烁瓦为活化介质。它的响应通过几个专用的校准系统校准到电磁能量标度。准确的时间标定对能量重建和无碰撞背景去除至关重要。介绍了利用碰撞数据进行时间标定的原理、步骤和结果。讨论了激光系统对时间标定和碰撞数据的监测。最后，给出了运行2中用射流测量的时间分辨率。

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ATLAS Tile Calorimeter time calibration, monitoring and performance in Run 2

The Tile Calorimeter is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider at CERN. This sampling device uses steel plates as absorber and scintillating tiles as activemedium. Its response is calibrated to the electromagnetic energy scale bymeans of several dedicated calibration systems. Accurate time calibration is important for energy reconstruction and non-collision background removal. The principle, procedure, and results of time calibration using collision data are presented. Monitoring of the time calibration with a laser system and collision data are discussed as well. Finally, the time resolution as measured with jets in Run 2 is presented.

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Proceedings of 40th International Conference on High Energy physics — PoS(ICHEP2020)

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