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arXiv 1409.5002physics.ins-dethep-ex
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ATLAS升级计划

The ATLAS upgrade program

C. Gemme

摘要:

在2010-2012年LHC首次成功运行后,计划正在积极推进一系列升级,最终在大约十年内达到设计亮度的两倍以上。更大的光度将允许对刚刚发现的希格斯玻色子进行精确测量,并继续寻找超越标准模型的新物理。处理高瞬时和积分亮度将是一个巨大的挑战,ATLAS探测器,将需要在大多数的子系统,特别是那些在低半径和大的伪快度,以及在其触发架构的变化。本文总结了在未来十年内巩固并尽可能提高当前探测器物理性能的计划。

英文摘要:

After the first successful LHC run in 2010-2012, plans are actively advancing for a series of upgrades leading eventually to about above times the design-luminosity in about ten years. The larger luminosity will allow to perform precise measurements of the just discovered Higgs boson and to continue searching for new physics beyond the Standard Model. Coping with the high instantaneous and integrated luminosity will be a great challenge for the ATLAS detector and will require changes in most of the subsystems, specially those at low radii and large pseudorapidity, as well as in its trigger architecture. Plans to consolidate and, whenever possible, to improve the physics performance of the current detector over the next decade are summarized in this paper.

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