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CMS tracking performance in Run 2 and early Run 3 data using the tag-and-probe technique

Accurate reconstruction of charged particle trajectories and measurement of their parameters (tracking) is one of the major challenges of the CMS experiment. A precise and efficient tracking is one of the critical components of the CMS physics program as it impacts the ability to reconstruct the phy...

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Detalles Bibliográficos
Autor principal: D'anzi, Brunella
Lenguaje:eng
Publicado: 2023
Materias:
Acceso en línea:http://cds.cern.ch/record/2852917
Descripción
Sumario:Accurate reconstruction of charged particle trajectories and measurement of their parameters (tracking) is one of the major challenges of the CMS experiment. A precise and efficient tracking is one of the critical components of the CMS physics program as it impacts the ability to reconstruct the physics objects needed to understand proton-proton collisions at the LHC. In this work, we present the tracking performance measured in data where the tag-and-probe technique was applied to $Z\to \mu^{+}\mu^{-}$ resonance for all reconstructed muon trajectories and the subset of trajectories in which the CMS tracker is used to seed the measurement. The performance is assessed using LHC Run 2 at $\sqrt{s}$ = 13 TeV and early Run 3 data at $\sqrt{s}$ = 13.6 TeV.