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Theses

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2023-12-06
23:05
Triggering and Data Scouting on compressed dark matter models at the CMS experiment / Sahasransu, Abanti Ranadhir
Compressed mass spectra models with low transverse momentum displaced leptons signature have low sensitivity for direct detection at the CMS experiment due to hard trigger constraints [...]
CERN-THESIS-2023-283 - 193 p.


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2023-12-06
19:52
Probing Quark Hadronization with B mesons at the LHC / Costa, Simão
In nature, quarks cannot exist by themselves [...]
CERN-THESIS-2023-282 - 130 p.


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2023-12-06
11:48
Spectroscopy of Stable and Radioactive Negative Ions / Ringvall Moberg, Annie
Negative ions are unique quantum systems which are of fundamental interest within the field of atomic physics due to the importance of the electron correlation in their creation, stability, and existence [...]
CERN-THESIS-2022-396 - 116 p.


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2023-12-05
18:01
A multi-criteria framework for assessing eco-friendly gas alternatives for particle detectors: Case Study of CERN’s Resistive Plate Chamber (RPC) Detectors / Juks, Stefania-Alexandra
Greenhouse gas (GHG) emissions from anthropogenic sources are the main contributor to global warming [...]
CERN-THESIS-2023-276 - 88 p.


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2023-12-05
14:16
Tracker Readout Development for the CMS Upgrade and a Search for Light Higgs Bosons from SUSY Decay Cascades / Holmberg, Mei-li
This thesis focuses on two areas of the CMS experiment at the Large Hadron Collider (LHC): the upgrade work for the CMS detector at the HighLuminosity LHC (HL-LHC) and the Run 3 preparations for a Next-to-Minimal Supersymmetric Standard Model (NMSSM) search for light Higgs bosons [...]
CERN-THESIS-2023-277 CMS-TS-2023-035. - 2023. - 179 p.


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2023-12-05
14:16
Measurements on the production of a Z boson in association with a photon in proton-proton collisions and a search for anomalous triple gauge couplings at the CERN Large Hadron Collider / Wadud, Mohammad Abrar
Within the framework of the Standard Model of particle physics, $p$-$p$ collisions produce the final state of a photon and missing momentum from a $Z$ boson solely through quark exchange in the $t$ and $u$ channels, since direct couplings between the neutral electroweak bosons $Z$ and $\gamma$ are n [...]
CERN-THESIS-2023-280 CMS-TS-2023-032. - 2023. - 153 p.


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2023-12-05
14:16
Charming decays of the Higgs, Z, and W bosons: Development and deployment of a new calibration method for charm jet identification / Mondal, Spandan
This thesis presents searches for the Higgs boson, Z boson, and W boson decaying into charm quark(s) performed with proton-proton collision data at $\sqrt{s}$ = 13 TeV collected by the CMS experiment at the LHC, CERN, corresponding to an integrated luminosity of 138 fb$^{-1}$ and recorded between 20 [...]
CERN-THESIS-2023-278 CMS-TS-2023-031. - 2023. - 195 p.


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2023-12-05
14:16
Flavor tagging algorithms for CP violation measurements in CMS / Lusiani, Enrico
This thesis presents the development of four flavor tagging algorithms to be used in CP violation measurements in CMS [...]
CERN-THESIS-2023-279 CMS-TS-2023-029. - 2023. - 260 p.


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2023-12-05
14:16
Search for New Physics Impacting Associated Top Production in Multilepton Final States Using the Framework of Effective Field Theory / Mohrman, Kelci
This thesis presents a search for new physics impacting top quarks within the context of an effective field theory (EFT) [...]
CERN-THESIS-2023-281 CMS-TS-2023-028. - 2023. - 286 p.


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2023-12-04
17:16
Searching for Charged Lepton Flavour Violation at LHCb and Long-Lived Particles with CODEX-b / Swallow, Paul Nathaniel
The CODEX-b detector is an RPC-based experiment proposed to search for long-lived particles that may be produced in $pp$ collisions at the LHC [...]
CERN-THESIS-2023-275 - 277 p.


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