Abstract
Efficient and precise reconstruction of the primary vertex in a LHC collision is essential for determining the full kinematic properties of a hard-scatter event and of soft interactions as a measure of the amount of pile-up. The reconstruction of primary vertices in the busy, high pile-up environment of Run-2 of the LHC is a challenging task. The algorithms developed by the ATLAS experiments to reconstruct multiple vertices with small spatial separation are presented.
Highlights
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You may be interested in: ATLAS strategy for primary vertex reconstruction during Run-2 of the LHC G Borissov, D Casper, K Grimm et al Methods to quantify the performance of the primary vertex reconstruction in the ATLAS experiment under high luminosity conditions K Grimm, E Guido, F Meloni et al Primary vertex reconstruction in the ATLAS experiment at LHC G Piacquadio, K Prokofiev and A Wildauer Vertex displacements for acausal particles: testing theLee-Wick standard model at the LHC Ezequiel Álvarez, Leandro Da Rold, Carlos Schat et al Level-1 pixel based tracking trigger algorithm for LHC upgrade C.-S
The procedure of primary vertex reconstruction is divided in two stages: vertex finding and vertex fitting
Summary
This content has been downloaded from IOPscience. 2016 JINST 11 C12060 (http://iopscience.iop.org/1748-0221/11/12/C12060) View the table of contents for this issue, or go to the journal homepage for more. You may be interested in: ATLAS strategy for primary vertex reconstruction during Run-2 of the LHC G Borissov, D Casper, K Grimm et al Methods to quantify the performance of the primary vertex reconstruction in the ATLAS experiment under high luminosity conditions K Grimm, E Guido, F Meloni et al Primary vertex reconstruction in the ATLAS experiment at LHC G Piacquadio, K Prokofiev and A Wildauer Vertex displacements for acausal particles: testing theLee-Wick standard model at the LHC Ezequiel Álvarez, Leandro Da Rold, Carlos Schat et al Level-1 pixel based tracking trigger algorithm for LHC upgrade C.-S. Savoy-Navarro Object definition and performance at CMS Carmen Diez Pardos and the Cms Collaboration Neutrino Masses at the LHC Frank F Deppisch The ATLAS hadronic tau trigger Peter Radloff The ATLAS Hadronic Tau Trigger Joern Mahlstedt and the Atlas collaboration
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