Masters Theses

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2024-09-05
10:09
Search for B+ -> K+ nu nubar at Belle II using Graph Neural Networks / Merna Abumusabh ; Giulio DUJANY ; Jacopo CERASOLI [BELLE2-MTHESIS-2024-021] Presented on 19 06 2024 MSc
2024
IPHC / Strasbourg
This work presents the search for the decay of a charged B-meson into a charged kaon and a pair of neutrinos via graph-tagged analysis, which is an approach based on graph neural network, in Belle~II, which is operating at the asymmetric electron-positron collider SuperKEKB located at KEK, Tsukuba, Japan. [...]
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2024-07-25
17:09
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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2024-05-31
07:34
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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2024-05-26
15:05
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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2024-05-04
10:34
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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2024-05-04
10:28
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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2024-04-25
08:08
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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2024-04-25
08:05
Measurement of R(D*) with Inclusive B Meson Tagging at Belle II / Stephanie Steinmetz ; Thomas Kuhr ; Thomas Lück [BELLE2-MTHESIS-2024-014] Presented on 15 09 2023 MSc
2023
LMU / Munich
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2024-04-25
08:03
Domain-Specific Language for Querying Particle Properties / David Christian Katheder ; Thomas Kuhr [BELLE2-MTHESIS-2024-013] Presented on 08 03 2022 MSc
2022
LMU / Munich
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2024-04-22
02:48
Belle II 実験レベル 1 トリガーのための3 次元飛跡再構成アルゴリズムの開発 / Hiroto Sudo ; Yutaka Ushiroda [BELLE2-MTHESIS-2024-012] Presented on 26 01 2024 MSc
2024
The University of Tokyo / Tokyo
Belle II 実験は SuperKEKB 加速器での電子陽電子衝突で生成された B 中間子や D 中間子、τ....
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