Theses

Theses 318 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
1. 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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2. Measurement of Time-Dependent CP Violation in Decays of B0 → η′ K0S at the Belle II Experiment: Belle II 実験におけるB0 → η′ K0S崩壊過程での時間依存CP非対称度測定 / 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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3. 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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4. 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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5. 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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6. 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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7. 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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8. 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. [...]
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9. 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. [...]
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10. 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. [...]
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