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CMS Theses

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2021-11-26
16:31
Measurement of the CP violating weak phase $\phi_s$ in the $\mathrm{B}^0_\mathrm{s}\to\mathrm{J}/\psi\phi \to \mu^{+}\mu^{-}\mathrm{K^+K^-}$ decay process using the data collected by CMS in proton-proton collision at $\sqrt{s} = 13\,\text{TeV}$ / Muhammad, Alibordi
The invariance of the decay rate ( the amplitude square) of a decay process $|\mathcal{M}|^2(|{\psi_1}\rangle\to |{\psi_2}\rangle) $ under the simultaneous operation of discrete symmetry operators such as charge conjugation ($\hat{C}$), and parity ($\hat{P}$) is defined as the CP-symmetry i.e., $ [...]
CERN-THESIS-2021-213 CMS-DN-20-026. -


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2021-11-26
09:50
Measurement of the ttgamma cross section and effective field theory interpretation with the CMS experiment / Lechner, Lukas
The standard model (SM) of particle physics, a theory of the currently known elementary particles and their fundamental interactions, provides predictions in agreement with experimental results up to the highest achievable precision [...]
CERN-THESIS-2021-212 - 173 p.


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2021-11-25
13:00
Charakterisierung von Prototypen der 2S-Module für das CMS Phase-2 Upgrade mit einem Röntgenteststand / Thurn, Felix
CMS-TS-2021-002 ; CERN-THESIS-2020-393. - 2020. - 72 p.


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2021-11-25
13:00
Characterization of Power Hybrids for the Phase-2 Upgrade of the CMS Detector / Falter, Christine
CMS-TS-2021-001 ; CERN-THESIS-2020-392. - 2020. - 72 p.


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2021-11-25
12:20
Search for New Bosons in Gluon-Gluon and Vector Boson Fusion Processes at the LHC and Development of Silicon Module Assembly Techniques for the CMS High Granularity Calorimeter / Lamichhane, Kamal
A search for heavy resonances decaying to a pair of vectors bosons is presented which utilizes events in which a hadronically decaying Z or W boson is identified using jet substructure techniques and large missing transverse momentum is found [...]
CERN-THESIS-2020-391 CMS-TS-2021-003. - 2020. - 111 p.


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2021-11-25
12:06
Search for New Bosons in Gluon-Gluon and Vector Boson Fusion Processes at the LHC and Development of Silicon Module Assembly Techniques for the CMS High Granularity Calorimeter / Lamichhane, Kamal
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CERN-THESIS-? CMS-TS-2021-003. - 2020. - 111 p.


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2021-11-25
10:22
Deep Learning Methods Applied to Higgs Physics at the LHC / Strong, Giles Chatham
The impact that machine learning (ML) has had on research in high-energy physics (HEP) is undeniable; the use of ML-based classifiers in many analyses is now the norm, and they have a long history of being used within reconstruction algorithms (e.g [...]
CMS-TS-2021-024 ; CERN-THESIS-2021-211. - 2021. - 357 p.


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2021-11-23
16:43
A lepton pair and jets final state in CMS and unitarity interpretations / Presilla, Matteo
This thesis addresses the study of a signature with a pair of same flavor leptons and jets with the CMS detector in the context of two different scenarios: precision physics within the Standard Model, and the effective theory of composite models [...]
CMS-TS-2021-023 ; CERN-THESIS-2021-210. - 2021. - 178 p.


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2021-11-22
14:35
The measurement of W±boson charge asymmetry at $\sqrt{s}$ = 13 TeV with the CMS detector using the 2015 data set and a global QCD analysis on this asymmetry / Danilov, Vladyslav
This thesis presents physics results accomplished during the 2017-2019 years in the CMS experiment [...]
CMS-TS-2020-018 ; CERN-THESIS-2020-389. - 2020. - 202 p.


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2021-11-22
12:58
Search for Higgs bosons in the final state with $b$-quarks in the semi-leptonic channel with the CMS 2017 data / Antonio Vagnerini
The existence of several neutral Higgs states is predicted in many models comprising an enlargement of the Standard Model (SM) scalar sector, notably the general Two-Higgs-Doublet Model (2HDM) and the Minimal Supersymmetric Extension of the Standard Model (MSSM) [...]
CMS-TS-2020-009 ; CERN-THESIS-2020-384. - 2020. - 205 p.


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