68.
| Developing a Displaced Vertex Trigger for Dark Matter Searches at the Belle II Experiment
/ Elia Schmidt ; Prof. Dr. Christian Kiesling
[BELLE2-MTHESIS-2023-021]
Presented on 13 03 2023 MSc
2023
Max-Planck-Institute for Physics
/ Munich
For many well-motivated dark matter models, discovery potential is predicted at highintensity particle colliders such as the Belle II experiment. [...]
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69.
| Search for Y (10753) → ππhb(1P) at Belle II
/ Federico Testa ; Stefano Spataro ; Umberto Tamponi
[BELLE2-MTHESIS-2023-020]
Presented on 04 04 2023 MSc
2023
Torino University
/ Torino
During the scan of the energies above the Υ(4S), the Belle experiment found a resonance structure at around 10753 MeV in the cross section of e+e− → ππΥ(nS), with n = 1, 2, 3. [...]
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70.
| Fast Simulation and Validation of the Time of Propagation Detector at the Belle II Experiment
/ Isabel Haide ; Prof. Dr. Günter Quast ; Prof. Dr. Ulrich Husemann ; Dr. James Kahn ; et al
[BELLE2-MTHESIS-2023-019]
Presented on 16 07 2021 MSc
2021
Karlsruhe Institute of Technology
/ Karlsruhe
The generation of Monte Carlo data is very time- and resource-consuming, which will only increase with higher luminosities of the particle physics experiments. [...]
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71.
| Development of the readout software for the luminosity online monitor of the Belle II detector
/ Kirill Kania ; Alexander Kuzmin
[BELLE2-MTHESIS-2023-018]
Presented on 21 06 2022 MSc
2022
Novosibirsk State University
/ Novosibirsk
In 2018, the Belle II experiment began at the SuperKEKB collider, with a design luminosity of $6\cdot10^{35}$ s$^{-1}$cm$^{-2}$. [...]
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72.
| Study of $\mathrm{B}^{+} \rightarrow \bar{\mathrm{D}}^{0}\pi^{+}\pi^{-}\pi^{+}$ at the Belle II experiment
/ Shubhajit Sana ; Prof. Jim Libby
[BELLE2-MTHESIS-2023-017]
Presented on 15 05 2023 MSc
2023
Indian Institute of Technology Madras
/ Chennai, India
We have studied a rare decay channel $\mathrm{B}^{+} \rightarrow \bar{\mathrm{D}}^{0}\pi^{+}\pi^{-}\pi^{+}$ using 200~fb$^{-1}$ Monte Carlo simulated data generated by the Belle-II software framework. [...]
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73.
| Search for a heavy neutral lepton that mixes predominantly with the tau neutrino
/ Ori Israel Fogel ; Abner Soffer
[BELLE2-MTHESIS-2023-016]
Presented on 28 02 2023 MSc
2023
Tel Aviv University
/ Tel Aviv
Heavy neutral leptons (HNLs) are highly motivated as a solution to the problems of neutrino masses, dark matter and the baryon asymmetry of the universe. [...]
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74.
| Search for invisible decays of dark photon at Belle II
/ Miho Wakai ; Chris Hearty
[BELLE2-MTHESIS-2023-015]
Presented on 31 10 2021 MSc
2021
University of British Columbia
/ Vancouver
The Standard Model of particle physics displays a good description of the nature of fundamental particles. [...]
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75.
| Study of the pi^0 reconstruction efficiency for the B^0->pi^0pi^0 decay at the Belle II experiment
/ Francesco Rossi ; Mirco Dorigo ; Sebastiano Raiz
[BELLE2-MTHESIS-2023-014]
Presented on 21 10 2022 MSc
2022
University of Trieste
/ Trieste (Italy)
The aim of this Thesis is to study the efficiency of the reconstruction of the pi^0 meson in pi^0 -> gamma gamma decays at the Belle II experiment. [...]
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76.
| CP violation in B decays at Belle II
/ Mehraj Chhetri ; Dr Jim Libby
[BELLE2-MTHESIS-2023-013]
Presented on 15 05 2023 MSc
2023
Indian Institute of Technology Madras
/ Chennai
The $CP$ violation in the standard model can be observed through the decay of $B$ meson and a parameter which gives a measure of $CP$ violation is the angle $\phi_3$ of the unitarity triangle [...]
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77.
| Development of Λ baryons reconstruction and its application to the search for a stable hexaquark at Belle II
/ Bianca Scavino ; Prof. Dr. Concettina Sfienti
[BELLE2-PTHESIS-2023-011]
Presented on 27 07 2022 PhD
2022
Institute for Nuclear Physics
/ Mainz
QCD-motivated models for hadrons predict an assortment of exotic hadrons, with structures more complex than the quark-antiquark mesons and the threequark baryons of the ordinary hadron classification [...]
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