32.
| Recovery of merged π0,s from ECL images of the Belle II detector using CNN
/ Naveen Kumar Baghel ; Dr. Vishal Bhardwaj
[BELLE2-MTHESIS-2024-003]
Presented on 01 05 2023 MSc
2023
Indian Institute of Science Education and Research, Mohali
/ Mohali, India
This study aims to utilize a Convolutional Neural Network (CNN) to retrieve merged π0 mesons lost in the Belle II experiment, where they appear as individual photons. [...]
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33.
| Measurement of time-dependent CP asymmetries in B0 -> K+ K− KS0 decays with Dalitz-plot analysis at the Belle II experiment
/ Ryohei Sugiura ; Yutaka Ushiroda
[BELLE2-PTHESIS-2024-008]
Presented on 21 07 2023 PhD
2023
The University of Tokyo
/ Tokyo
Abstract B0 -> φ KS0 decay process is dominated by b -> s sbar s penguin transition, which is sensitive to the contribution from new physics. [...]
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34.
| Measurement of time-dependent CP asymmetry in B0 -> KS0 π0 γ decays at the Belle II experiment
/ Yuma Uematsu ; Yutaka Ushiroda
[BELLE2-PTHESIS-2024-007]
Presented on 26 07 2023 PhD
2023
The University of Tokyo
/ Tokyo
We measure the time-dependent CP asymmetries in B0 -> KS0 π0 γ decay using (387.5 ± 5.8) × 10^6 BBbar pairs collected near the Υ(4S) resonance with SuperKEKB and Belle II from 2019 to 2022. [...]
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35.
| Deep Generative Models for Ultra-High Granularity Particle Physics Detector Simulation: A Voyage From Emulation to Extrapolation
/ Baran Hashemi ; Thomas Kuhr
[BELLE2-PTHESIS-2024-006]
Presented on 22 11 2023 PhD
2023
LMU
/ Munich
Simulating ultra-high-granularity detector responses in Particle Physics represents a critical yet computationally demanding task. [...]
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36.
| Measurement of Time-Dependent CP Violation in Decays of B0 → η′ K0S at the Belle II Experiment
/ BAE Hanwook ; USHIRODA Yutaka
[BELLE2-PTHESIS-2024-005]
Presented on 19 07 2023 PhD
2023
The University of Tokyo
/ Tokyo, Japan
B0 → η′K0S channel is a decay mode of neutral B-meson, which is mediated by the penguin process of b → sq¯q of the Standard Model, and we can observe the CP violation phenomenon in the B0 → η′K0S channel. [...]
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37.
| Study of the decay B0->KS0 pi0 at Belle II
/ Sagar Hazra ; Gagan Mohanty
[BELLE2-PTHESIS-2024-004]
Presented on 23 02 2024 PhD
2024
Tata Institute of Fundamental Research
/ Mumai, India
The $\Bz\to\KS\piz$ decay is dominated by $b \to s$ loop amplitudes. [...]
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38.
| OPTIMIZATION OF A DEEP GRAPH NEURAL NETWORK TO RECONSTRUCT GENERIC B DECAYS AT BELLE II
/ Corentin Santos ; Jacopo Cerasoli ; Giulio Dujany
[BELLE2-MTHESIS-2024-002]
Presented on 22 06 2023 MSc
2023
Institut Pluridisciplinaire Hubert Curien
/ Strasbourg
This work presents the results of a fourteen weeks internship on the optimization of a deep graph neural network in the context of the search for New Physics (NP) at the Belle II experiment. [...]
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39.
| Measurement of the branching fraction and CP asymmetry of B0 → π0 π0 decays at Belle II
/ Francis Pham ; Martin Sevior
[BELLE2-PTHESIS-2024-003]
Presented on 15 11 2023 PhD
2023
The University of Melbourne
/ Melbourne
his thesis presents a measurement of the branching fraction and CP -violation asymmetry in B0 → π0π0 decays [...]
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40.
| Improved Particle Identification with the Belle II Calorimeter Using Machine Learning
/ Abtin Narimani Charan ; Torben Ferber
[BELLE2-PTHESIS-2024-002]
Presented on 09 02 2024 PhD
2024
Deutsches Elektronen-Synchrotron DESY
/ Hamburg
This dissertation revolves around the utilization of Convolutional Neural Networks (CNNs) to advance Particle Identification (PID) within the Belle II Electromagnetic Calorimeter (ECL). [...]
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41.
| Slow Pion Identification using the Pixel Detector of Belle II
/ Mariangela Varela ; Prof. Dr. Christian Kiesling
[BELLE2-MTHESIS-2024-001]
Presented on 07 09 2023 MSc
2023
Max-Planck-Intitute for Physics
/ Munich, Germany
Charged pions coming from D∗ decays are very useful to tag the flavor of neutral B mesons. [...]
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