PhD Theses

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2024-03-26
13:19
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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2024-03-12
04:48
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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2024-03-11
12:47
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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2024-02-20
23:01
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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2024-02-13
23:21
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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2024-01-30
17:24
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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2023-11-29
15:57
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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2023-11-14
08:41
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. [...]
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2023-10-23
01:49
Measurement of the properties of B+ → ρ+ρ0 decays at Belle II / Riccardo Manfredi ; Diego Tonelli [BELLE2-PTHESIS-2023-017] Presented on 09 10 2023 PhD
2023
Università di Trieste / Trieste
This experimental particle-physics thesis reports measurements of properties of B+ → ρ+ρ0 decays for the determination of the quark-mixing matrix angle α = arg(−(VtdV ∗)/(VudV ∗ )), a fundamental parameter of quark dynamics. [...]
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2023-10-17
06:51
Search for B+ --> K+ tau tau with Belle and Belle II experiments / Vidya Sagar VOBBILISETTI ; Karim TRABELSI [BELLE2-PTHESIS-2023-016] Presented on 03 10 2023 PhD
2023
Université paris saclay / Orsay
In recent years, some deviations from the Standard Model (SM) have been observed in semileptonic B-meson decays, such as departures from lepton flavour universality in the b --> sll and b --> c tau nu transitions quantified by the R(K(*)) and R(D(*)) ratios. [...]
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