Track reconstruction of cosmic ray real data with the CMS Silicon Strip Tracker

被引：0

作者：

Lenzi, Piergiulio ^{[1
]}

机构：

[1] Univ Florence, Ist Nazl Fis Nucl, I-50121 Florence, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 596卷 / 01期

关键词：

Track reconstruction; Cosmic rays; CMS tracker;

D O I：

10.1016/j.nima.2008.07.142

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The CMS tracking system consists of a silicon pixel vertex detector and a surrounding silicon microstrip detector. The system is currently going through final assembly stage. As the construction goes on, big parts of the detector are being powered, controlled and readout as a whole. A cosmic ray trigger has been setup, thus providing the first real events recorded in the CMS tracker. Reconstruction was performed with three track finder algorithms: we will talk about the Combinatorial Track Finder, which is based on the Kalman Filter technique for both trajectory building and track fitting. A dedicated algorithm for cosmic ray track's seeding has been developed, together with useful tools for the tracking performance analysis; the exercise has been very useful for the understanding and the improvement of the tracking algorithm. (C) 2008 Elsevier B.V. All rights reserved.

引用

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页码：38 / 44

页数：7

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