Theses

Theses 333 records found  previous11 - 20nextend  jump to record: Search took 0.00 seconds. 
11. Claws An Injection Background Monitoring System for the Second and Third Phase of the SuperKEKB Commissioning / Hendrik Windel ; Allen Caldwell [BELLE2-PTHESIS-2024-010] Presented on 30 11 2021 PhD
2021
TUM / Munich
The Belle 2 experiment is a collider-based high energy physics experiment at the intensity and precision frontier and is based at the only collision point of the SuperKEKB collider located at the KEK research institute in Tsukuba, Japan. [...]
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12. Search for an Invisible Boson in Tau Decays with Early Belle II Data and Development of New Analysis Methods for Tau Physics / Thomas Kretzschmar ; Allen Caldwell [BELLE2-PTHESIS-2024-009] Presented on 03 11 2022 PhD
2022
TUM / Munich
The Belle II experiment at SuperKEKB – an asymmetric e+e− collider – aims at a total integrated luminosity of 50 ab−1 to pursue a rich program of Standard Model and Beyond the Standard Model physics. [...]
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13. 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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14. 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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15. 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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16. 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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17. 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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18. 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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19. 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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20. 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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