Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Operation, Performance and Upgrade (incl. HL-LHC) of Present Detectors Posters
The LHCb Mighty Tracker
T.H. Lin*  on behalf of the LHCb collaboration
*: corresponding author
Full text: pdf
Pre-published on: December 17, 2024
Published on: April 29, 2025
Abstract
The Large Hadron Collider Beauty experiment (LHCb) is designed to detect decays of b- and c-
hadrons for the study of flavour physics, CP violation, and rare decays. The LHCb experiment
will undergo its high luminosity detector upgrade in 2033-2034 to operate at a instantaneous
luminosity between 1 to 1.5 ×$10^34$ $cm^−2 s^−1$ . This significant increase in luminosity presents
a major challenge for the tracking system, which must achieve track reconstruction under ten
times higher occupancy. Here, we focus on proposed solutions for the new tracking stations after
the magnet, called the Mighty-Tracker. It is a hybrid system, comprising silicon pixels in the
inner region and scintillating fibres in the outer region. The silicon pixels provide the necessary
granularity and radiation tolerance to handle the high track density expected in the central region,
while the scintillating fibres are well-suited for the peripheral acceptance region. New R&D
activities are required for both technologies to cope with the highest instantaneous luminosity and
the substantial rise in radiation. An overview of the current status of the Mighty-Tracker project
will be presented, with the focus on the silicon pixel component.
DOI: https://doi.org/10.22323/1.476.0959
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