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ABOUT THESES
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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2023-03-12
10:54
Measurement of Lepton Mass Squared Moments of B→X<sub>c</sub>lν Decays with the Belle II Experiment and Determination of the CKM Matrix Element |V<sub>cb</sub>|
/
Maximilian Welsch
[BELLE2-PTHESIS-2023-004]
Presented on 23 12 2022
PhD
2022
Physikalisches Institut
/ Bonn
This thesis presents measurements of the first to fourth moments of the lepton mass squared q<sup>2</sup>=(p<sub>l</sub> + p<sub>ν</sub>)<sup>2</sup> distribution of B→X<sub>c</sub>lν decays for l=e,μ and with X<sub>c</sub> denoting a hadronic system containing a charm quark [...]
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2023-02-25
00:56
Performance studies of Thin Fine-Pitch Silicon Vertex Detector for Belle II Vertex Detector upgrade
/
Zihan Wang
;
Yutaka Ushiroda
[BELLE2-MTHESIS-2023-005]
Presented on 27 07 2022
MSc
2022
The University of Tokyo
/ Tokyo
The Belle II experiment located at KEK, Tsukuba (Japan) precisely measures the Standard Model parameters analyzing various flavor physics processes to search for new physics beyond the Standard Model. [...]
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2023-02-01
15:47
Search for muonic dark force and performance studies of lepton identification at Belle II
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Rajesh Kumar Maiti
;
Gianluca Inguglia
[BELLE2-PTHESIS-2023-003]
Presented on 20 01 2023
PhD
2023
Institut of High Energy Physics
/ Vienna
This thesis presents an advanced search strategy to find a new dark gauge boson 𝑍′ and performance studies of particle identification to assist the new physics searches, especially involving flavor-changing charge and neutral currents in semi- leptonic 𝐵 decays. [...]
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2023-02-01
03:02
Measurement of the time dependent CP Asymmetry of $B \to K^* \gamma$ decays in the Belle II experiment
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Tristan Fillinger
;
Jérôme Baudot
[BELLE2-PTHESIS-2023-002]
Presented on 30 09 2022
PhD
2022
Université de Strasbourg
/ Strasbourg
The Standard Model of particle physics, which describes the fundamental particles and their interactions, is the most successful theory in the history of science. [...]
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2023-01-30
11:34
Study on first-level trigger of the Belle II experiment using upgraded silicon strip detector
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Tomoyuki Shimasaki
;
Takeo Higuchi
[BELLE2-MTHESIS-2023-004]
Presented on 27 01 2023
MSc
2023
The University of Tokyo
/ Tokyo
In order to explore new physics beyond the Standard Model, the Belle II experiment plans to accumulate the integrated luminosity of 50 ab−1. [...]
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2023-01-26
16:36
Anomaly Detection in Searches for Inelastic Dark Matter with a Dark Higgs at Belle II
/
Jonas Eppelt
;
Prof. Dr. Torben Ferber
;
Prof. Dr. Günter Quast
[BELLE2-MTHESIS-2023-003]
Presented on 14 11 2022
MSc
2022
Insitut for Experimental Particle Physics
/ Karlsruhe
In recent years a complementary search paradigm to classical searches has gained traction in the high energy physics community. [...]
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2023-01-26
07:31
Radiation tolerance studies of the double sided silicon strip sensor
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Fumiaki Otani
;
Takeo Higuchi
[BELLE2-MTHESIS-2023-002]
Presented on 27 01 2023
MSc
2023
The University of Tokyo
/ Tokyo, Japan
The B meson decays can be studied precisely and compared with the standard model (SM) to search for new physics of elementary particles. [...]
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2023-01-25
12:42
Photon Reconstruction in the Belle II Calorimeter Using Graph Neural Networks
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Florian Jochen Wemmer
;
Prof. Dr. Torben Ferber
;
Prof. Dr. Markus Klute
[BELLE2-MTHESIS-2023-001]
Presented on 11 11 2022
MSc
2022
Institute of Experimental Particle Physics (ETP)
/ Karlsruhe
This thesis presents the implementation and performance of the GravNet algorithm for the photon energy reconstruction in the Belle II electromagnetic calorimeter [...]
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2023-01-19
15:10
Search for τ → ℓϕ lepton flavour violating decays and fake tracks rate measurement with e+ e− → τ+ τ− events at the Belle II experiment
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Léonard Polat
;
Justine Serrano
[BELLE2-PTHESIS-2023-001]
Presented on 14 12 2022
PhD
2022
CPPM
/ Marseille
We report the search of lepton flavour violating τ → ℓϕ decays at the Belle II experiment, based on an integrated luminosity ∫ Ldt = 189.88 fb^(−1) of data collected from 2019 to 2021, at the Υ(4S) meson resonance energy s = √10.58 GeV. [...]
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2022-11-29
18:54
Optimization of long-lived neutral kaon detection and rejection at the Belle II experiment
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Lucas Stötzer
;
Prof. Dr. Jochen Dingfelder
;
Dr. Peter Lewis
[BELLE2-MTHESIS-2022-041]
Presented on 21 11 2022
MSc
2022
Physikalisches Institut
/ Bonn
We investigate an optimization of the reconstruction of neutral long living Kaons ($K_L^0$) at the Belle II experiment. [...]
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PhD Theses
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Masters Theses
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Undergraduate Theses
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