Apr 20 – 30, 2020
Virtual/Digital only workshop
Europe/Paris timezone

Fast parallel Primary Vertex reconstruction for the LHCb Upgrade

Apr 20, 2020, 1:35 PM
Virtual/Digital only workshop

Virtual/Digital only workshop


Florian Reiss (Centre National de la Recherche Scientifique (FR))


The physics program of the LHCb experiment depends on an efficient and
precise reconstruction of the primary vertices produced by proton-proton collisions.
The LHCb Upgrade detector, starting to take data in 2021 with a fully software-
based trigger, requires an online reconstruction at a rate of 30 MHz, necessitating
fast vertex finding algorithms. We present a new approach to vertex
reconstruction and its parallelized implementation on x86 and GPU architectures.

Consider for young scientist forum (Student or postdoc speaker) Yes

Primary authors

Vladimir Gligorov (Centre National de la Recherche Scientifique (FR)) Florian Reiss (Centre National de la Recherche Scientifique (FR)) Agnieszka Dziurda (Polish Academy of Sciences (PL)) Wouter Hulsbergen (Nikhef National institute for subatomic physics (NL)) Niklas Nolte (CERN / Technische Universitaet Dortmund (DE)) Dorothea Vom Bruch (LPNHE Paris, CNRS)

Presentation materials