Theses

Theses 330 records found  previous11 - 20nextend  jump to record: Search took 0.00 seconds. 
11. 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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12. 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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13. 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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14. 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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15. 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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16. 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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17. 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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18. 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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19. 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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20. 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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