Date of Award

12-20-2024

Date Published

January 2023

Degree Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Department

Physics

Advisor(s)

Steven Blusk

Second Advisor

Monica Deza

Abstract

The LHCb detector has undergone a substantial upgrade to cope with increased luminosity and increased data-taking utilizing a purely software trigger. The Upstream Tracker (UT) is a component of the new tracking system, together with the VELO vertex detector and the SciFi outer tracker. The UT allows for momentum determination that is important in the forward tracking algorithm, integral to the purely software trigger. This detector system is situated just upstream of the LHCb dipole magnet and comprises four planes of silicon strip detectors. The assembly of the modules hosting the Si detectors with the front-end electronics, and the construction of instrumented staves hosting the modules on a carbon fiber structure that provides mechanical support and CO2 evaporative cooling, was done at Syracuse University. The fully instrumented staves were shipped to CERN and mounted in two detector boxes, which were installed in the LHCb detector. The UT is currently being commissioned and is expected to be integrated in the experiment during the upcoming data taking period. This thesis will showcase the construction, installation, and commissioning of the UT in the LHCb experiment.

Access

Open Access

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