Primary vertex reconstruction with the ATLAS detector

Published 21 December 2016 © 2016 IOP Publishing Ltd and Sissa Medialab srl
, , International Workshop on Semiconductor Pixel Detectors for Particles and Imaging (Pixel 2016) Citation F. Meloni 2016 JINST 11 C12060 DOI 10.1088/1748-0221/11/12/C12060

1748-0221/11/12/C12060

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.

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10.1088/1748-0221/11/12/C12060