Track reconstruction in heavy ion collisions with the CMS silicon tracker

被引：11
|
作者：
Roland, C. [1 ]
机构：
[1] MIT, Cambridge, MA 02139 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2006年 / 566卷 / 01期
关键词：
CMS; silicon tracker; track reconstruction; heavy ion; high density environment;
D O I：
10.1016/j.nima.2006.05.023
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The Large Hadron Collider at CERN will collide protons at root S = 14 TeV and lead ions at root N-SN = 5.5 TeV. The study of heavy ion collisions is an integral part of the physics program of the Compact Muon Solenoid (CMS). Central heavy ion events at LHC energies are expected to produce a multiplicity of up to 3500 charged particles per unit of rapidity. The CMS detector features a large acceptance and high resolution silicon tracker consisting of pixel and strip detector layers. We describe the algorithms used for pattern recognition in the very high track density environment of heavy ion collisions. Detailed studies using the full detector simulation and reconstruction are presented and achieved reconstruction efficiencies, fake rates and resolutions are discussed. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：123 / 126
页数：4
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