运行2的ATLAS内部探测器触发器的设计与性能

O. Penc
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引用次数: 2

摘要

讨论了利用LHC早期Run 2数据在High Level trigger处理器群上在线运行的ATLAS Inner Detector触发算法的设计和性能。本文描述了在2013- 2015年长停堆期间对ID触发器进行的重新设计,以满足高能LHC Run 2运行的要求。内部检测器高级触发算法对于ATLAS触发器中的几乎所有触发签名都是必不可少的。介绍了不同触发器签名的早期Run 2数据跟踪算法的性能,包括在重新设计的单级ATLAS HLT Farm上运行的算法的详细定时性能。与Run 1策略进行了比较,证明了Run 2所采用的策略具有优越的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The design and performance of the ATLAS Inner Detector trigger for Run 2
The design and performance of the ATLAS Inner Detector trigger algorithms running online on the High Level Trigger processor farm with the early LHC Run 2 data are discussed. The redesign of the ID trigger, which took place during the 2013-15 long shutdown, in order to satisfy the demands of the higher energy LHC Run 2 operation is described. The Inner Detector High Level Trigger algorithms are essential for nearly all trigger signatures within the ATLAS trigger. The performance of the tracking algorithms with the early Run 2 data for the different trigger signatures is presented, including the detailed timing performance for the algorithms running on the redesigned single stage ATLAS HLT Farm. A comparison with the Run 1 strategy is made and demonstrates the superior performance of the strategy adopted for Run 2.
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