|
21.
| 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. [...]
Fulltext:  PDF; |
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22.
| 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. [...]
Fulltext: PDF; |
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23.
| 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 [...]
Fulltext: PDF; |
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24.
| 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). [...]
Fulltext: PDF; |
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25.
| 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. [...]
Fulltext: PDF; |
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26.
| Search for $\tau^-\to\mu^-\mu^+\mu^-$ lepton flavour violating decays and measurement of the SVD cluster position resolution at Belle II experiment
/ Robin Leboucher ; Justine Serrano
[BELLE2-PTHESIS-2024-001]
Presented on 31 10 2023 PhD
2023
CPPM
/ Marseille
Keywords: Particle physics; Search for New Physics; Lepton Flavour Violation; Tau lepton decays; Spatial resolution; Vertex detector Lepton flavour violating decays are considered one of the most effective ways to search for physics beyond the standard model, as they are not allowed in the Standard Model of particle physics. [...]
Fulltext: PDF (additional files); |
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27.
| Study of charge asymmetries in pion and kaon identification with the Belle II detector
/ Cecilia Antonioli ; Alessandro Gaz
[BELLE2-MTHESIS-2023-041]
Presented on 22 09 2023 MSc
2023
University of Padova
/ Padova
In this work, we study the performance of the charged kaon and pion identification at the Belle II experiment. [...]
Fulltext: PDF; |
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28.
| Search for the B+ to K+ nu anti-nu decay in the Belle II experiment
/ Lucas Martel ; Isabelle Ripp-Baudot ; Giulio Dujany
[BELLE2-PTHESIS-2023-019]
Presented on 20 09 2023 PhD
2023
IPHC
/ Strasbourg, France
This thesis describes the first search for the decay of a charged B meson into a charged kaon and a pair of neutrinos using a hadronic tagging method at the Belle II experiment, operating at the asymmetric electron-positron collider SuperKEKB located at KEK, Tsukuba, Japan. [...]
Fulltext: PDF; |
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29.
| Suppression of Continuum Background with Neural Networks for Belle II
/ Urbschat, Bela ; Caldwell, Allen ; Moser, Hans-Günther
[BELLE2-UTHESIS-2023-002]
Presented on 12 12 2023 BSc
2023
Max Planck Institute for Physics
/ Munich
At Belle II, a so called B factory, pairs of B mesons are produced in large numbers to study their subsequent decays. [...]
defense slides: PDF; thesis: PDF; |
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30.
| Search for the Lepton Flavor Violating B+ → K+ τ (e, μ) decays with the Belle and Belle II detectors
/ Gaetano de Marino ; Karim Trabelsi
[BELLE2-PTHESIS-2023-018]
Presented on 09 12 2022 PhD
2022
Université Paris-Saclay
/ Orsay
For over a decade, many deviations from the Standard Model have been observed in semileptonic B-meson decays, for example, the departure from the lepton flavor universality in b → sll and b → c τ ν transitions. [...]
Fulltext: PDF; |
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