Abstract
The design of the ATLAS Inner Tracker upgrade is underway. This tracking detector, consisting of silicon pixel and strip modules, will replace the current ATLAS Inner Detector to reconstruct tracks from charged particles produced at the very high collision rate expected from the High-Luminosity Large Hadron Collider. The latest Inner Tracker designs considered, and recent expected performance results from simulation are presented.
Highlights
In 2024–2026, the Large Hadron Collider (LHC) will be upgraded to become the High-Luminosity LHC (HL-LHC), foreseen to deliver an average of up to 200 proton-proton collisions every nanoseconds.With an expected dataset of up to fb−1 at √ s =TeV accumulated over 10 years of High-Luminosity LHC (HL-LHC) operation, the discovery reach of the ATLAS experiment [1] for physics beyond the Standard Model will be significantly improved beyond what is possible with the LHC dataset [2]
With an expected dataset of up to fb−1 at accumulated over 10 years of HL-LHC operation, the discovery reach of the ATLAS experiment [1] for physics beyond the Standard Model will be significantly improved beyond what is possible with the LHC
The HL-LHC dataset will allow particle physicists to deepen our understanding of Standard Model processes
Summary
In 2024–2026, the Large Hadron Collider (LHC) will be upgraded to become the High-. Luminosity LHC (HL-LHC), foreseen to deliver an average of up to 200 proton-proton collisions every nanoseconds. TeV accumulated over 10 years of HL-LHC operation, the discovery reach of the ATLAS experiment [1] for physics beyond the Standard Model will be significantly improved beyond what is possible with the LHC dataset [2]. This is true for new processes with small production cross-sections, for example due to small couplings to Standard Model particles. Many upgrades to the ATLAS detector will be necessary in order to operate in the very highrate environment of the HL-LHC. Given the scale of this project, construction must begin to ramp up in mid-2018, and the final steps of technical design and prototyping are underway
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