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1.
| Study of the reconstruction efficiency of π0 mesons from decays of the lepton τ at the Belle II experiment
/ Ermes Aviano ; Diego Tonelli ; Benigno Gobbo ; Sebastiano Raiz
[BELLE2-MTHESIS-2024-022]
Presented on 18 10 2024 MSc
2024
Università degli Studi di Trieste
/ Trieste
This experimental particle-physics thesis explores a novel approach to the determination of the π0 meson reconstruction efficiency, whose uncertainty is a significant limitation in measurements sensitive to beyond Standard Model physics. [...]
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2.
| 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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3.
| 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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4.
| 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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5.
| 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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6.
| 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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7.
| 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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8.
| 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
Fulltext: PDF; |
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9.
| 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
Fulltext: PDF; |
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10.
| 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
Fulltext: PDF; |
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