Tracking and vertexing capabilities of the CMS tracking detector with the first LHC data

被引：3
|
作者：
Dinardo, M. E. [1 ]
机构：
[1] Univ Colorado, Boulder, CO 80309 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 650卷 / 01期
关键词：
Pixel detector; Strip detector; Tracking; Vertexing; B-jet identification; Beam-spot; Resolution; Efficiency;
D O I：
10.1016/j.nima.2010.12.108
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The CMS experiment relies on a tracking detector entirely based on silicon sensors for the reconstruction of charged particles in the hostile radiation environment of proton-proton collisions at the CERN LHC. From the recent data collected by CMS at a center-of-mass energy of 7 TeV, the tracking, vertexing and b-jet identification performance have been measured. These measurements include the muon tracking efficiency, track transverse momentum resolution, track impact parameter resolution, primary vertex efficiency and resolution, and b-jet identification efficiency. The tracking performance relies, in particular, on the excellent pixel detector tracking capabilities, which are exploited in many contexts such as seeding, b-jet identification, and beam-spot monitor. The pixel stand-alone tracking and vertexing capabilities are shown for a particular application: the beam-spot monitor. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：224 / 229
页数：6
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