CERN Accelerating science

ABOUT THESES
The theses collection aims to cover as well as possible all theses in particle physics and its related fields.
The collection starts with the thesis of Feynman, defended in 1942, and covers now alltogether more than 3000 theses. Most of the documents are held as hard copies, theses from later years are available electronically. (Note also that many theses are not physically held by the CERN Library.)

Theses

Latest additions:
2021-11-29
13:33
Search for Non-Resonant Higgs Boson Pair Production in the Four Bottom Quark Decay Channel with the CMS Experiment / Guerrero Ibarra, Daniel Fernando
This dissertation presents a search for non-resonant Higgs boson pair production, focusing on the four bottom quark decay channel [...]
CMS-TS-2021-025 ; CERN-THESIS-2021-218. - 2021. - 215 p.


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2021-11-29
13:33
Measurements of the associated $VH$ production cross section in the $H$ $\to$ $\gamma$$\gamma$ channel at $\sqrt{s}$ = 13 TeV in the CMS experiment / Li, You-ying
Measurements of the associated VH production cross section with the Higgs boson decaying to a pair of photons are revealed [...]
CMS-TS-2021-026 ; CERN-THESIS-2021-217. - 2021. - 187 p.


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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
15:30
Estimation of the electron charge misidentification background for the same-sign $WW$ measurement with the ATLAS detector at $\sqrt{s}=$ 13 TeV / Fernandez Pretel, Jose Antonio
Electron charge misidentification was the largest source of background in the $ee$ decay channel, and the third-largest background source in the all-inclusive leptonic $\ell\ell$ channel in the ATLAS measurement of electroweak production of same-sign $ W $ boson pairs in proton-proton collisions, ma [...]
CERN-THESIS-2020-394 - Freiburg im Breisgau : Albert-Ludwigs University of Freiburg, 2020-03-16. - 129 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
vii
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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