PoS - Proceedings of Science
Volume 314 - The European Physical Society Conference on High Energy Physics (EPS-HEP2017) - Higgs and New Physics (Poster Session). Scientific Secretary: Luciano Canton.
Physics potential of ATLAS upgrades at HL-LHC
M. Testa*  on behalf of the ATLAS Collaboration
Full text: pdf
Pre-published on: February 14, 2018
Published on: March 20, 2018
Abstract
The High Luminosity-Large Hadron Collider (HL-LHC) is expected to start in 2026 and to provide an integrated luminosity of 3000 fb-1 in ten years, a factor 10 more than what will be collected by 2023. This high statistics will allow ATLAS to perform precise measurements in the Higgs sector and
improve searches for new physics at the TeV scale. The luminosity needed is L ~ 7.5 10^34 cm-2 s-1, corresponding to ~200 additional proton-proton pile- up interactions. To face such harsh environment some sub-detectors of the ATLAS experiment will be upgraded or completely substituted. The performances of the new or upgraded ATLAS sub-detectors are presented, focusing in particular on the new inner tracker and a proposed high granularity time device. The impact of those upgrades on crucial physics measurements for HL-LHC program is also shown.
DOI: https://doi.org/10.22323/1.314.0720
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