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The ATLAS Inner Detector commissioning and calibration
ATLAS Collaboration
2010
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号70期号:3页码:787-821
通讯作者Aad, G (reprint author), SUNY Albany, 1400 Washington Ave, Albany, NY 12222 USA.
摘要The ATLAS Inner Detector is a composite tracking system consisting of silicon pixels, silicon strips and straw tubes in a 2 T magnetic field. Its installation was completed in August 2008 and the detector took part in data-taking with single LHC beams and cosmic rays. The initial detector operation, hardware commissioning and in-situ calibrations are described. Tracking performance has been measured with 7.6 million cosmic-ray events, collected using a tracking trigger and reconstructed with modular pattern-recognition and fitting software. The intrinsic hit efficiency and tracking trigger efficiencies are close to 100%. Lorentz angle measurements for both electrons and holes, specific energy-loss calibration and transition radiation turn-on measurements have been performed. Different alignment techniques have been used to reconstruct the detector geometry. After the initial alignment, a transverse impact parameter resolution of 22.1 +/- 0.9 mu m and a relative momentum resolution sigma (p) /p=(4.83 +/- 0.16)x10(-4) GeV(-1)xp (T) have been measured for high momentum tracks.
关键词SILICON PIXEL SENSORS SEMICONDUCTOR TRACKER IONIZATION ENERGY OPTOELECTRONICS READOUT MODULES
学科领域Physics
DOI10.1140/epjc/s10052-010-1366-7
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000285200000013
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/212993
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. The ATLAS Inner Detector commissioning and calibration[J]. EUROPEAN PHYSICAL JOURNAL C,2010,70(3):787-821.
APA ATLAS Collaboration.(2010).The ATLAS Inner Detector commissioning and calibration.EUROPEAN PHYSICAL JOURNAL C,70(3),787-821.
MLA ATLAS Collaboration."The ATLAS Inner Detector commissioning and calibration".EUROPEAN PHYSICAL JOURNAL C 70.3(2010):787-821.
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