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Study of the material of the ATLAS inner detector for Run 2 of the LHC

文献类型：期刊论文

作者ATLAS Collaboration
刊名JOURNAL OF INSTRUMENTATION
出版日期2017
卷号12页码:12009
ISSN号1748-0221
关键词Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter etc) Particle tracking detectors Performance of High Energy Physics Detectors
DOI10.1088/1748-0221/12/12/P12009
文献子类Article
英文摘要The ATLAS inner detector comprises three different sub-detectors: the pixel detector, the silicon strip tracker, and the transition-radiation drift-tube tracker. The Insertable B-Layer, a new innermost pixel layer, was installed during the shutdown period in 2014, together with modifications to the layout of the cables and support structures of the existing pixel detector. The material in the inner detector is studied with several methods, using a low-luminosity root s = 13 TeV pp collision sample corresponding to around 2.0 nb(-1) collected in 2015 with the ATLAS experiment at the LHC. In this paper, the material within the innermost barrel region is studied using reconstructed hadronic interaction and photon conversion vertices. For the forward rapidity region, the material is probed by a measurement of the efficiency with which single tracks reconstructed from pixel detector hits alone can be extended with hits on the track in the strip layers. The results of these studies have been taken into account in an improved description of the material in the ATLAS inner detector simulation, resulting in a reduction in the uncertainties associated with the charged-particle reconstruction efficiency determined from simulation.
WOS关键词PP INTERACTIONS ; DISTRIBUTIONS
WOS研究方向Instruments & Instrumentation
语种英语
WOS记录号WOS:000417761100006
源URL[http://ir.ihep.ac.cn/handle/311005/284613]  
专题高能物理研究所_实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714		 ATLAS Collaboration. Study of the material of the ATLAS inner detector for Run 2 of the LHC[J]. JOURNAL OF INSTRUMENTATION,2017,12:12009.
APA ATLAS Collaboration.(2017).Study of the material of the ATLAS inner detector for Run 2 of the LHC.JOURNAL OF INSTRUMENTATION,12,12009.
MLA ATLAS Collaboration."Study of the material of the ATLAS inner detector for Run 2 of the LHC".JOURNAL OF INSTRUMENTATION 12(2017):12009.

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来源：高能物理研究所

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