A fast tracking algorithm for the ATLAS level 2 trigger

被引:1
|
作者
Konstantinidis, N.
Sutton, M.
Baines, J.
Emeliyanov, D.
Parodi, F.
Schiavi, C.
Drevermann, H.
机构
[1] UCL, Dept Phys & Astron, London, England
[2] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[3] Ist Nazl Fis Nucl, I-16146 Genoa, Italy
[4] CERN, Geneva, Switzerland
关键词
tracking; trigger;
D O I
10.1016/j.nima.2006.05.059
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A set of conceptually simple and robust algorithms for fast pattern recognition and track reconstruction using three-dimensional space points developed for the ATLAS level 2 (LVL2) trigger at the LHC is presented. Results on execution time and physics performance demonstrating the effectiveness of this approach in a demanding, online trigger environment are presented. Both this strategy and a complimentary lookup table based strategy provided results appearing in the recent ATLAS High-Level Trigger, Data Acquisition and Controls Technical Design Report and were successfully implemented online during data taking for the recent ATLAS combined test beam. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:166 / 169
页数:4
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