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A framework for vertex reconstruction in the ATLAS experiment at LHC

Research output: Contribution to journalJournal articlepeer-review

Published
  • Eva Bouhova-Thacker
  • Th. Koffas
  • V. Kostyukhin
  • W. Liebig
  • M. Limper
  • G. Piacquadio
  • K. Prokofiev
  • C. Weiser
  • A. Wildauer
  • The ATLAS collaboration
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Article number032019
<mark>Journal publication date</mark>2010
<mark>Journal</mark>Journal of Physics: Conference Series
Issue number3
Volume219
Number of pages10
Publication StatusPublished
<mark>Original language</mark>English
Event17th International Conference on Computing in High Energy and Nuclear Physics (CHEP) - Prague
Duration: 21/03/200927/03/2009

Conference

Conference17th International Conference on Computing in High Energy and Nuclear Physics (CHEP)
CityPrague
Period21/03/0927/03/09

Abstract

In anticipation of the first LHC data to come, a considerable effort has been devoted to ensure the efficient reconstruction of vertices in the ATLAS detector. This includes the reconstruction of photon conversions, long lived particles, secondary vertices in jets as well as finding and fitting of primary vertices. The implementation of the corresponding algorithms requires a modular design based on the use of abstract interfaces and a common Event Data Model. An enhanced software framework addressing various physics applications of vertex reconstruction has been developed in the ATLAS experiment. Presented in this paper are the general principles of this framework. A particular emphasis is given to the description of the concrete implementations, which are dedicated to diverse methods of vertex reconstruction.