ICHEP 2024

ATLAS upgrades for High Luminosity LHC

18 Jul 2024, 08:30

18m

Terrace 2B

Parallel session talk 12. Operation, Performance and Upgrade (incl. HL-LHC) of Present Detectors Operation, Performance and Upgrade (incl. HL-LHC) of Present Detectors

Speaker

Jo Pater (University of Manchester (GB))

Description

The LHC will undergo an upgrade program to deliver an instantaneous luminosity of $7.5\times {10}^{34}$ cm${}^{-2}$ s${}^{-1}$ and collect more than 3 ab${}^{-1}$ of data at $\sqrt{s}=$13.6 (14) TeV. To benefit from such a rich data-sample it is fundamental to upgrade the detector to cope with the challenging experimental conditions. The ATLAS upgrade comprises a new all-silicon tracker with extended rapidity coverage; a redesigned TDAQ system for the calorimeters and muon systems allowing the implementation of a free-running readout system. Finally, a new High Granularity Timing Detector will aid the track-vertex association in the forward region by incorporating timing information into the reconstructed tracks. An important ingredient is a precise determination of the delivered luminosity with systematic uncertainties below the percent level. This presentation will describe the ongoing ATLAS detector upgrade status and the main results obtained with the prototypes.

Presentation materials

2024-07-18 Pater ICHEP ATLAS Upgrades.pdf