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158.
| Tagged Analysis of $B^0\to\pi^-\ell^+\nu_\ell$ at Belle
/ Jonathan Wolfgang Grumke ; Jochen Dingfelder ; Peter Lewis
[BELLE2-MTHESIS-2021-075]
Presented on 25 08 2021 MSc
2021
Physikalisches Institut
/ Bonn
Using the FEI algorithm with simulated data for hadronic tagging in the reconstruction of $B^0\to\pi^-\ell^+\nu_\ell$ results in a signal yield of $626\pm 39$ when applying the same selections as Sibidanov et al., who used the FR algorithm and obtained a signal yield of $463\pm 28$. [...]
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159.
| Investigation of B → µ ν_µ with Inclusive Tagging at Belle II
/ Daniel Jacobi ; Prof. Dr. Jochen Dingfelder ; Dr. Peter Lewis ; Svenja Katharina Granderath
[BELLE2-MTHESIS-2021-074]
Presented on 25 08 2021 MSc
2021
Physikalisches Institut
/ Bonn
In this thesis the rare $B \to \mu \nu_{\mu}$ decay was investigated using the inclusive tagging approach. [...]
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160.
| First Conceptual Design and Studies for a Tracking Time Projection Chamber for the Belle II Experiment
/ Andreas Löschcke Centeno ; Jochen Dingfelder ; Peter Lewis
[BELLE2-MTHESIS-2021-073]
Presented on 30 08 2021 MSc
2021
Physikalisches Institut
/ Bonn
This thesis deals with simulating a tracking time projection chamber (TPC) for the \Btwo experiment at the SuperKEKB accelerator and using the simulation for first studies. [...]
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161.
| Searches for an invisible Z' and for the dark Higgsstrahlung A'h' process in μ⁺μ⁻ plus missing energy final states at Belle II
/ Marcello Campajola ; Guglielmo De Nardo ; Francesco Di Capua
[BELLE2-PTHESIS-2021-016]
Presented on 24 06 2021 PhD
2021
Università di Napoli "Federico II"
/ Napoli (IT)
The work presented in this thesis concerns two searches for dark sector mediators in $e^+e^-$ annihilations at the center-of-mass energy of 10.58~GeV with the Belle II experiment [...]
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162.
| Real-Time Trigger and online Data Reduction based on Machine Learning Methods for Particle Detector Technology
/ Steffen Baehr ; Juergen Becker
[BELLE2-PTHESIS-2021-015]
Presented on 16 07 2020 PhD
2020
KIT
/ Karlsruhe
Modern particle accelerator experiments are producing immense amounts of data online during their operation. [...]
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163.
| Neural Network based Pulse Shape Analysis with the Belle II Electromagnetic Calorimeter
/ Stella Katharina Wermuth ; Dr. Torben Ferber ; Prof. Dr. Oliver Gerberding
[BELLE2-MTHESIS-2021-072]
Presented on 22 06 2021 MSc
2021
DESY
/ Hamburg
The Belle II experiment, located at the SuperKEKB e+e- collider in Japan, uses pulse shape analysis techniques to distinguish electromagnetically and hadronically interacting particles within the CsI(Tl) electromagnetic calorimeter. [...]
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164.
| Search for lepton flavour violating B meson decays at the Belle experiment
/ Mateusz Kaleta ; Andrzej Bożek
[BELLE2-MTHESIS-2021-071]
Presented on 26 01 2021 MSc
2021
-
/ -
The work of the thesis is concerned about searching for Lepton Flavour Violating B meson decays, B+ →K+τ±μ∓, in the experimental environment of the Belle experiment. [...]
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165.
| Study of 𝐵 → 𝜋^−ℓ^+𝜈_ℓ Decays Using Fully Reconstructed ϒ(4𝑆) → 𝐵 \bar 𝐵 Events at the Belle II Experiment
/ Yaroslav Kulii ; Thomas Kuhr
[BELLE2-MTHESIS-2021-070]
Presented on 15 09 2020 MSc
2020
Ludwig Maximilian University
/ Munich
We present the results of a study of exclusively reconstructed 𝐵 → 𝜋^−ℓ^+𝜈_ℓ decays, where ℓ is an electron or a muon. [...]
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166.
| Construction of Angular Observables Sensitive to New Physics in $\bar B\to D^*\tau^-\bar \nu_\tau$ Decays and Measurements of Differential Cross Sections of $\bar B\to D^*\ell^-\bar\nu_\ell$ Decays with Hadronic Tagging at Belle
/ Kilian Lieret ; Thomas Kuhr ; Martin Jung ; Gerhard Buchalla
[BELLE2-MTHESIS-2021-069]
Presented on 16 09 2018 MSc
2018
Ludwig Maximilian University of Munich
/ Munich
Recent measurements of $\bar B\to D^{(*)}\ell^-\bar\nu_\ell$ cross sections at Belle, BaBar, and LHCb challenge lepton universality and thus the Standard Model at a combined confidence level close to four standard deviations. [...]
Thesis: PDF; |
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167.
| Sensitivity Study of $B^{+}\rightarrow \mu^{+}\nu$ in the Belle II Experiment
/ Yen-Ting Chin ; Pao-Ti Chang
[BELLE2-MTHESIS-2021-068]
Presented on 25 01 2021 MSc
2021
National Taiwan University
/ Taipei, Taiwan
In this study, we intend to estimate the statistical significance of $B^{+}\rightarrow \mu^{+}\nu$ when various amounts of Belle II data are available in the future, assuming that the Standard Model estimation of the branching fraction of $B^{+}\rightarrow \mu^{+}\nu$ is correct. [...]
Fulltext: PDF; |
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