1.
| Improving the Belle II Neural Track Trigger with Deep Neural Networks
/ Timo Forsthofer ; Prof. Christian Kiesling
[BELLE2-MTHESIS-2024-020]
Presented on 30 06 2024 MSc
2024
Max-Planck-Intitute for Physics
/ Garching
In order to provide accurate measurements of Standard Model parameters and search for new physics at the precision frontier [1], the Belle II experiments aims to reach an instantaneous luminosity of 6 × 1035 cm−2s−1 [2]. [...]
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2.
| Test of light-lepton universality in tau decays with data from the Belle II experiment
/ Paul Feichtinger ; Gianluca Inguglia ; Christoph Schwanda
[BELLE2-PTHESIS-2024-014]
Presented on 14 06 2024 PhD
2024
Atominstitut TU Wien / HEPHY
/ Vienna
This thesis investigates light-lepton universality with electron-positron collision data from the Belle~II experiment at the SuperKEKB accelerator in Tsukuba, Japan. [...]
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3.
| Graph-Building and Input Feature Analysis for Edge Classification in the Central Drift Chamber at Belle II
/ Philipp Dorwarth ; Torben Ferber
[BELLE2-MTHESIS-2024-019]
Presented on 16 05 2024 MSc
2024
Karlsruhe Institute of Technology
/ Karlsruhe
This thesis investigates components of a Graph Neural Network (GNN)-based pipeline addressing challenges of current tracking algorithms at the Belle II experiment, such as highly displaced vertices and escalating beam backgrounds. [...]
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4.
| Upgrade of Belle II's Neural Network Trigger by Track Finding in Three-Dimensional Hough Space
/ Simon Hiesl ; Prof. Dr. Christian Kiesling
[BELLE2-MTHESIS-2024-018]
Presented on 12 04 2024 MSc
2024
Max-Planck-Institute for Physics
/ Munich
The target luminosity of the Belle II experiment, located at the SuperKEKB electron-positron collider in Tsukuba, Japan, is 6x10^{35} cm^{-2}s^{-1}. [...]
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5.
| Optimizing the sensitivity to the 𝜏 → l 𝛾 decay with a novel tag approach at Belle II
/ Maria Antonietta Palaia ; Francesco Forti ; Francesco Tenchini
[BELLE2-MTHESIS-2024-017]
Presented on 12 12 2022 MSc
2022
University of Pisa
/ Pisa
The measurement of the 𝜏 → l 𝛾 decay, where l can be a muon or an electron, is of great interest for high energy physics. [...]
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6.
| Study of monolithic CMOS pixel sensors in the Belle II experiment upgrade
/ Mara Stefania Calo' ; Francesco Forti
[BELLE2-MTHESIS-2024-016]
Presented on 01 03 2024 MSc
2024
University of Pisa
/ Pisa
Belle II is a particle physics experiment located at the KEK laboratory in Tsukuba (Japan). [...]
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7.
| A Study of the Decay $B\to\pi\ell\nu_\ell$ and Determination of the Standard Model parameter $|V_{\mathrm{ub}}|$ with the Belle II Experiment
/ Nadia Toutounji ; Kevin Varvell ; Bruce Yabsley
[BELLE2-PTHESIS-2024-013]
Presented on 12 04 2024 PhD
2024
University of Sydney
/ Sydney
Precision measurements of the magnitudes of the Cabibbo-Kobayashi-Maskawa (CKM)-matrix elements, which characterise the transitions between quarks of different flavours, are essential for testing the unitarity of the Unitarity Triangle (UT) described by the Standard Model. [...]
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8.
| Measurement of the properties of B0→π0π0 decays at Belle II
/ Sebastiano Raiz ; Diego Tonelli
[BELLE2-PTHESIS-2024-012]
Presented on 17 05 2024 PhD
2024
University of Trieste
/ Trieste
This experimental particle-physics thesis reports measurements of the branching fraction and charge-parity (CP) violating decay-rate asymmetry of B0 → π0π0 decays reconstructed in electron-positron collisions with the Belle II detector. [...]
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9.
| In-depth characterisation of diamond detectors for the Belle II experiment
/ Alice Gabrielli ; Lorenzo Vitale
[BELLE2-PTHESIS-2024-011]
Presented on 19 03 2024 PhD
2024
University of Trieste
/ Trieste
This thesis aims at deepening and improving the characterisation procedure of diamond detectors used as radiation monitor and beam abort for the Belle II experiment at the SuperKEKB electron-positron collider. [...]
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10.
| Search for the B+ -> K+ nu nubar Decay at Belle II Using a Tagged Analysis Approach
/ Jiyong Jeong
[BELLE2-MTHESIS-2024-015]
Presented on 15 03 2022 MSc
2022
LMU
/ Munich
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