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Expected Tracking Performance of the ATLAS Inner Tracker at the High-Luminosity LHC
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Expected Tracking Performance of the ATLAS Inner Tracker at the High-Luminosity LHC

Georges Aad, Erlend Aakvaag, Braden Keim Abbott, Sara Abdelhameed, Kira Abeling, Nils Julius Abicht, Haider Abidi, Mohammed Aboelela, Asmaa Aboulhorma, Halina Abramowicz, …
JINST, 卷.20(2), 頁.P02018
01/02/2025
DOI: https://doi.org/10.1088/1748-0221/20/02/P02018
Web of Science ID: WOS:001439027200001

摘要

High Energy Physics - Experiment Instrumentation and Detectors Physics
The high-luminosity phase of LHC operations (HL-LHC), will feature a large increase in simultaneous proton-proton interactions per bunch crossing up to 200, compared with a typical leveling target of 64 in Run 3. Such an increase will create a very challenging environment in which to perform charged particle trajectory reconstruction, a task crucial for the success of the ATLAS physics program, and will exceed the capabilities of the current ATLAS Inner Detector (ID). A new all-silicon Inner Tracker (ITk) will replace the current ID in time for the start of the HL-LHC. To ensure successful use of the ITk capabilities in Run 4 and beyond, the ATLAS tracking software has been successfully adapted to achieve state-of-the-art track reconstruction in challenging high-luminosity conditions with the ITk detector. This paper presents the expected tracking performance of the ATLAS ITk based on the latest available developments since the ITk technical design reports.

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https://doi.org/10.1088/1748-0221/20/02/P02018檢視
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