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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.)
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Theses

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2025-04-20
16:04
Interpreting flavour tagging performance in CMS using Shapley value analysis / Gupta, Kaushik
Collisions of particles at Large Hadron Collider (LHC) produce jets, which are sprays of particles that originate from quarks and gluons [...]
CERN-THESIS-2025-035 - 47.


Detailed record
2025-04-15
10:58
Improved machine learning models for local optics corrections in the LHC triplet magnets / Kravishvili, Elene
The thesis aims to develop a beam optimization process in LHC, particularly the correction of the triplet magnet at each interaction point [...]
CERN-THESIS-2024-373 - 2024 - 56.


Detailed record
2025-04-15
09:13
Search for Higgs boson pair production in the two photons plus two bottom quarks final state using partial Run-3 proton-proton collision data with the ATLAS detector / Montereali, Federico
A search for the Standard Model (SM) Higgs boson pair production in the bˉbγγ final state is presented, using data from Run-II (2015–2018, √s=13 TeV, 140 fb−1) and partial Run-III (2022–2023, √s=13.6 TeV, 59 fb−1) collected with the ATLAS detector at th [...]
CERN-THESIS-2025-031 - 2025 - 175.


Detailed record
2025-04-11
06:30
Transition Crossing by Means of Stable Islands / Wang, Sabrina
The phenomenom of transition energy crossing might generate adverse effects to the quality of charged-particle beams in circular accelerators that is hard to avoid, and has been known to introduce potentially adverse disturbance to the longitudinal dynamics of a beam of charged particles [...]
CERN-THESIS-2023-437 - 2023 - 53.


Detailed record
2025-04-09
17:26
First observation and branching fraction measurement of the Σ+→pμ+μ− decay at LHCb / Martelli, Gabriele
In this thesis, the first significant observation of the Σ+→pμ+μ− decay and the measurement of the branching fraction are presented [...]
CERN-THESIS-2024-372 - 2024 - 159.


Detailed record
2025-04-08
16:42
Design of a neon dry-cooled counter-flow heat exchanger current lead / Salla, Ott
CERN-THESIS-2025-029 - 2025 - 95.


Detailed record
2025-04-08
16:24
Measurement of Thermal Conductivity of High-Temperature Superconducting Tapes under Cryogenic Conditions / Wuestner, Luis Alexander
In high-energy particle accelerators such as the Large Hadron Collider (LHC) at CERN, reducing the secondary electron yield (SEY) of the beam screen is becoming increas-ingly important, as electron cloud formation caused by synchrotron radiation can affect beam stability and increase the cryogenic l [...]
CERN-THESIS-2025-028 - 2025 - 87.


Detailed record
2025-04-08
11:00
Analysis of very forward neutral particle spectra with the LHCf experiment at the LHC / Piparo, Giuseppe
Cosmic rays, especially ultra-high energy cosmic rays (UHECRs), have been the subject of extensive study due to their relevance to astrophysics and particle physics [...]
CERN-THESIS-2024-371 - 2024 - 185.


Detailed record
2025-04-03
17:27
Studies of ϕ Meson Production in Fixed-Target pNe Collisions at LHCb / Fabiano, Federica
This thesis presents the studies of the ϕ meson production in proton-Neon fixed-target collisions at a centre-of-mass energy √sNN=68.5~GeV, using the LHCb detector at CERN [...]
CERN-THESIS-2024-370 - 2025 - 174.


Detailed record
2025-04-03
10:05
Measurement of the coherently produced J/ψ meson in PbPb collisions at LHCb Scientific Disciplinary Sector(s) / Belin, Samuel
The photoproduction at low transverse momentum of J/ψ events in PbPb peripheral collisions at √sNN=5.02TeV with the LHCb detector is investigated [...]
CERN-THESIS-2020-426 - 2021 - 163.


Detailed record