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The Theses collection contains undergraduate (U), masters (M) and PhD (P) student theses. To search for a thesis type select the appropriate item under "focus on".
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2024-06-17
08:39		 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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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 β†’ 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 β†’ 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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2024-05-01
06:38		 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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2024-04-30
08:53		 Measurement of the properties of B0β†’Ο€0Ο€0 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 β†’ Ο€0Ο€0 decays reconstructed in electron-positron collisions with the Belle II detector. [...]
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2024-04-26
08:42		 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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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 LΓΌck [BELLE2-MTHESIS-2024-014] Presented on 15 09 2023 MSc
2023 LMU / Munich
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Last updated: 30 Jun 2024, 00:28