CERN Accelerating science

CMS Theses

Hidden sectors search at the CMS experiment and predictions for future colliders / Aimè, Chiara
The last sixty years have been a constant stream of achievements for particle physics [...]
2023. - 156 p.

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A Search for Long-Lived Particles in Signatures With Displaced Vertex Using Novel Machine Learning Techniques at CMS / Li, Ang
A search for long-lived particles produced in proton-proton collisions at a center-of-mass energy of 13 TeV at the CERN LHC is presented [...]
CERN-THESIS-2023-337 -

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New generation fast Silicon detectors for timing and particle Identification. High Energy Physics and applications / Isidori, Tommaso
The High Energy Physics (HEP) community is working towards the upgrade of existing research facilities, as well as paving the way for the construction of state-of-the-art particle colliders [...]
CERN-THESIS-2022-404 - 215 p.

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SM and EFT interpretation of Vector Boson Scattering measurements at CMS and development of the DAQ system for the Barrel Timing Layer for HL-LHC / Boldrini, Giacomo
This comprehensive work presents the culmination of a three-year research activity spanningthree key domains.The foremost focus of this research has been the search for new physics effects in VBS processes with the Effective Field Theory (EFT) approach [...]
CMS-TS-2024-002 ; CERN-THESIS-2024-005. - 2024. - 229 p.

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The large-scale production of silicon sensors for the Phase-2 Upgrade of the CMS Outer Tracker / Damanakis, Konstantinos
\par The high-luminosity upgrade of the Large Hadron Collider (LHC) at CERN will introduce a new period of challenges for the high-energy physics community [...]
CERN-THESIS-2023-324 - 207 p.

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Search for an exotic decay of the Higgs boson to a pair of light pseudoscalars in proton-proton collisions at 13 TeV and Luminosity measurement in Pb-Pb collisions at 5.02 TeV / Khazaie, Elham
In the first part of the thesis, we report the results of a search for exotic decay of a Higgs boson with m$_{H}$ = 125 GeV to a pair of new light bosons, a$_{1}$, where one of the light bosons decays to a pair of muons and the other to a pair of b quarks [...]
CERN-THESIS-2023-320 CMS-TS-2024-001. - 2024.

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Study of the production processes of top quarks and missing energy predicted by the Standard Model and its extensions, in leptonic final states with the CMS detector at the LHC using machine learning techniques. / Trapote Fernandez, Andrea
In this thesis, measurements of Standard Model (SM) processes and searches for processes beyond the SM related to the top quark in final states with leptons are presented using data from proton-proton collisions produced at the LHC and collected by the CMS experiment at CERN [...]
CERN-THESIS-2023-319 - 179 p.

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Noise and Detection Efficiency Studies on Full-Size 2S Module Prototypes for the Phase-2 Upgrade of the CMS Experiment / Koppenhofer, Roland
A test station has been developed to perform functional tests of fully assembled silicon detector modules for the Phase-2 CMS-outer tracker-upgrade [...]
CERN-THESIS-2022-401 ETP-KA/2022-07. - 164 p.

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Probing new physics through Standard Model Higgs to diphoton signature in pp collisions at \sqrt{s} = 13 TeV / Saha, Prafulla
The discovery of the Higgs boson during the Run 1 of LHC has provided the answer to the long-standing puzzle of electroweak symmetry breaking at least within the Standard Model (SM) [...]
CERN-THESIS-2023-317 -

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Measurement of the differential dileptonic t$\bar{\text{t}}$ cross section in a BSM phase space with the CMS detector using the full LHC Run 2 data set / Meuser, Danilo
The top quark is the heaviest of all known elementary particles described by the standard model of particle physics (SM) [...]
CERN-THESIS-2023-316 - 207 p.

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