81.
| Investigation of gated mode operation of the Belle II pixel detector
/ Cedric Hönig ; Jochen Dingfelder
[BELLE2-MTHESIS-2022-022]
Presented on 29 09 2016 MSc
2016
University of Bonn
/ Bonn
The improved superKEKB accelerator will use a continuous injection scheme. [...]
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82.
| Characterisation of the Final Components of the Belle II Pixel Detector and Energy Calibration using Source Measurements
/ Barbara Leibrock ; Jochen Dingfelder
[BELLE2-MTHESIS-2022-021]
Presented on 14 11 2017 MSc
2017
University of Bonn
/ Bonn
In this master’s thesis, the final iterations of the matrix and chips were for the first time tested together in preparation of the module mass production. [...]
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83.
| Characterization of final Belle II PXD production modules
/ Larissa von Jasienicki ; Jochen Dingfelder
[BELLE2-MTHESIS-2022-020]
Presented on 05 04 2022 MSc
2022
University of Bonn
/ Bonn
The present thesis focuses on the calibration, optimization and precision characterization of the PXD II modules, which are scheduled to be installed in the PXD detector during 2022. [...]
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84.
| Investigation of Belle II Experiment Sensitivity to Magnetic Monopoles
/ Ihor Prudiiev ; Volodymyr Aushev
[BELLE2-MTHESIS-2022-019]
Presented on 23 05 2022 MSc
2022
Taras Shevchenko National University of Kyiv
/ Kyiv
The possibility of searching for magnetic monopoles with a magnetic charge value of 68.5𝑒 in the mass range 50 – 4600 MeV in the Belle II collider experiment was investigated [...]
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85.
| Search for e+e− → µ+µ− Z'(Z' → Invisible) in the first data of the Belle II experiment
/ Luigi Corona ; Francesco Forti
[BELLE2-MTHESIS-2022-018]
Presented on 26 10 2018 MSc
2018
University of Pisa
/ Pisa
The purpose of this thesis is to investigate the production of a light dark gauge boson Z' in association with a muon pair in electron-positron annihilation at the center of mass energy of 10.58 GeV. [...]
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86.
| Improved Selective Background Monte Carlo Simulation at Belle II with Graph Attention Networks and Weighted Events
/ Boyang Yu ; Thomas Kuhr ; Nikolai Hartmann
[BELLE2-MTHESIS-2022-017]
Presented on 14 09 2021 MSc
2021
LMU Munich
/ Munich, Germany
When measuring rare processes such as B → K(∗)νν¯ or B → lνγ, a huge luminosity is required, which means a large number of simulations are necessary to determine signal efficiencies and background contributions. [...]
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87.
| Feasibility study of dark-photon searches in the single photon plus missing events in e+e- collisions at Belle II.
/ Ayumi Yabuuchi ; Hisaki Hayashii
[BELLE2-MTHESIS-2022-016]
Presented on 28 02 2020 MSc
2020
Nara Women's University
/ Nara, japan
We carried out the feasibility study of the dark-photon searches for events where only a single photon is detected, using signal and background Monte-Carlo simulation. [...]
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88.
| Measurement of the pion transition form factor in the single-tag one-pion production process e+e--> e (e) pi^0.
/ Mirey Aoyama ; Hisaki Hayashii
[BELLE2-MTHESIS-2022-015]
Presented on 20 02 2021 MSc
2021
Nara Women's University
/ Nara, Japan
This thesis reports the results of the feasibility study of the one-pion production in the single-tag two-photon processes in the e+e- collisions at Belle II [...]
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89.
| Full Event Interpretation using Graph Neural Networks
/ Lea Reuter ; Torben Ferber ; Günter Quast ; James Kahn ; et al
[BELLE2-MTHESIS-2022-014]
Presented on 17 02 2022 MSc
2022
Institute of Experimental Particle Physics
/ Karlsruhe
The expected large dataset of the Belle~II experiment will enable precise measurements of rare decays to probe the Standard Model and searches for new physics. [...]
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90.
| Sensitivity Study in the Search for $B^{\pm}\to K^{\pm}a$ (displaced $a\to\gamma\gamma$) Decays at Belle II
/ Alexander Heidelbach ; Prof. Dr. Torben Ferber ; Prof. Dr. Günter Quast
[BELLE2-MTHESIS-2022-013]
Presented on 28 04 2022 MSc
2022
Institute of Experimental Particle Physics
/ Karlsruhe
In a set of simple extensions of the Standard Model, Axion Like Particles (ALPs) arise as pseudo Nambu-Goldstone bosons of theories with a spontaneously broken Peccei-Quinn symmetry that is anomalous under the Standard Model gauge symmetry. [...]
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