CERN Accelerating science

CERN Theses

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2021-01-04
10:07
Beautiful leptons - setting limits to New Physics with the LHCb experiment / Mombacher, Titus
In this thesis, searches for physics effects beyond the Standard Model are performed by studying purely leptonic and lepton-flavour violating $B$-meson decays with the LHCb experiment [...]
CERN-THESIS-2020-246 - 153 p.

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2021-01-04
09:58
Experimental studies on small diameter carbon dioxide evaporators for optimal Silicon Pixel Detector cooling / Hellenschmidt, Desiree
Since recent years the Large Hadron Collider at CERN and its experiments are the subject of upgrade programs, which are necessary to increase the foreseen collision rates and the amount of data to be gathered for the particle physics community in the future [...]
CERN-THESIS-2020-245 - https://bonndoc.ulb.uni-bonn.de/xmlui/handle/20.500.11811/8860 : bonndoc Publication Server of Bonn University, 2020-12-18. - 269 p.

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2020-12-27
12:02
Searches for new physics phenomena with jet final states in the ATLAS detector / Hansen, Eva Brottmann
Collimated sprays of particles, known as $jets$, are abundantly produced in high-energy proton-proton ($pp$) collisions, and predicted by many theories of physics beyond the Standard Model [...]
CERN-THESIS-2020-244 - 160 p.

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2020-12-23
12:26
Detection and Identification of Electrons and Photons - Applications in the ATLAS Experiment, for the ATLAS ITk Detector and at the DESY II Test Beam / Arling, Jan-Hendrik
It is important to exploit particle detectors for the detection and identification of electrons and photons in the best possible way, as it is adressed in this thesis by discussing three different application examples of precisely measuring electrons and photons at high-energy physics andtest beam e [...]
CERN-THESIS-2020-243 DESY-THESIS-2020-022. - 395 p.

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2020-12-22
14:29
A Search for Emerging Jets at sqrt{s} = 13 TeV at ATLAS Run 2 / Treado, Colleen Jennifer
A search is presented for emerging jets, new exotic objects arising in models with QCD- like hidden sectors where dark quarks undergo dark showering, yielding long-lived dark hadrons that subsequently decay to visible jets with multiple small and varyingly-displaced vertices within the jet cone [...]
CERN-THESIS-2020-242 - 434 p.

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2020-12-21
17:56
Search for Light Bosons in Exotic Decays of the 125 GeV Higgs Boson / Perez Adan, Danyer
A search for pairs of light bosons produced from decays of the $125$ GeV Higgs boson is presented [...]
CERN-THESIS-2020-241 - Hamburg : Staats- und Universitätsbibliothek Hamburg, 2020-06-03. - 173 p.

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2020-12-21
11:40
Estudios de la estructura nuclear de núcleos exóticos: los casos del 31Ar y 33Ar / Marroquin Alonso, Irene
This thesis presents the results of the design, commissioning, measurement and analysis of the results of the IS577 experiment carried out at ISOLDE-CERN [...]
CERN-THESIS-2018-483 - 234 p.

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2020-12-21
11:23
β-decay of 8B into highly excited states of 8Be: Isospin mixing and proton-halo contributions / Vinals Onses, Silvia
This thesis work deals with the study of the decay of the proton-halo nucleus 8B [...]
CERN-THESIS-2020-240 - 220 p.

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2020-12-19
11:10
Development for an improved comparison of proton-to-antiproton charge-to-mass ratio / Higuchi, Takashi
Charge, Parity and Time (CPT) symmetry is known to be one of the most fundamental symmetries of the Standard Model of particle physics [...]
CERN-THESIS-2019-409 - 288 p.

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2020-12-18
20:34
Emission Channeling Lattice Location Studies in Semiconductors using Highly Pixellated Timepix Detectors / David Bosne, Eric
The implantation of dopant impurities in semiconductor crystals and the understanding of their lattice site location behaviour in the manufacturing process is essential for the control of their electrical, magnetic and optical properties [...]
CERN-THESIS-2020-239 - 130 p.

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