PhD Theses

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2022-05-26
09:12
Optimisation of the Data Reduction for the Belle II Pixel Detector and Development of a new Track Finding Algorithm using the Belle II Vertex Detector / Christian Wessel ; Jochen Dingfelder ; Florian Bernlochner [BELLE2-PTHESIS-2022-005] Presented on 29 06 2022 PhD
2022
Christian Wessel / Bonn
The Belle II experiment, located at the SuperKEKB collider in Tsukuba, Japan, is recording data at world record luminosities in order to provide world-leading results in the field of particle physics in the future. [...]
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2022-04-07
00:08
Search for Axion-Like Particles produced in e+e− collisions and photon energy resolution studies at Belle II / Michael De Nuccio ; Torben Ferber [BELLE2-PTHESIS-2022-004] Presented on 19 10 2021 PhD
2021
DESY / Hamburg
Despite the great successes achieved by the Standard Model (SM) in explaining and predicting the behavior and existence of particles, multiple phenomena are yet to be given a satisfying explanation. [...]
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2022-04-06
16:42
Analysis of the B+ → K+π+π−γ decay with early Belle II data / Borys KNYSH ; Francois LE DIBERDER [BELLE2-PTHESIS-2022-003] Presented on 07 10 2021 PhD
2021
IJCLab / Orsay
Abstract: The document presents the analysis of the decay of the B+ meson into the K+π+π−γ final state using the early data of the Belle II exper- iment, that is located at the SuperKEKB collider in the KEK laboratory, Japan. [...]
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2022-04-06
10:30
Measurement of CKM angle $\boldsymbol {\phi_3}$ from $\boldsymbol {B^\pm \to D(K_S^{0}h^-h^+)h^\pm}$ decays at Belle and Belle~II / Niharika Rout ; Jim Libby [BELLE2-PTHESIS-2022-002] Presented on 04 04 2016 PhD
2016
IIT Madras / Chennai
The thesis reports the measurement of the CKM unitarity triangle angle $ \phi_{3} $ using a model-independent Dalitz plot analysis of $ B^{\pm} \to D(K_{S}^{0}h^{+}h^{-})K^{\pm} $ ($h = \pi$ or $K$) decays, where $D$ can either be a $D^0$ or a $\bar{D^0}$, which currently provides the best sensitivity [...]
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2022-03-31
20:40
Search for dark sector physics and performance of the Belle II detector in final state events with muons and large missing energy / Michel Bertemes ; Gianluca Inguglia ; Christoph Schwanda [BELLE2-PTHESIS-2022-001] Presented on 20 10 2021 PhD
2021
Institut für Hochenergiephysik (HEPHY) / Vienna
This thesis presents two different searches for dark sector mediators in final state events consisting of a pair of muons and large missing energy. [...]
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2021-11-29
22:14
The Belle II vertex detector alignment studies and prompt $\sin{2\phi_1} $ analysis / Jakub Kandra ; prof. RNDr. Zdenek Dolezal, Dr. [BELLE2-PTHESIS-2021-019] Presented on 26 11 2021 PhD
2021
Institute of Particle and Nuclear Physics / Prague
This thesis is focused on the alignment studies of the vertex detector during first years of the Belle II detector operation and the first prompt $\sin{2\phi_1}$ analysis using the first relevant data collected by the detector. [...]
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2021-11-28
17:09
First application of CsI(Tl) pulse shape discrimination at an $e^+ e^-$ collider to improve particle identification at the Belle II experiment / Savino Longo ; John Michael Roney [BELLE2-PTHESIS-2021-018] Presented on 07 10 2019 PhD
2019
University of Victoria / Victoria
This dissertation investigates CsI(Tl) pulse shape discrimination (PSD) as a novel experimental technique to improve challenging areas of particle identification at high energy $e^+ e^-$ colliders using CsI(Tl) calorimeters. [...]
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2021-10-04
03:20
Search for D+ → K- K0s π+ π+ π0 at the Belle Experiment and Development of the Read-Out System for the Pixel Detector of the Belle II Experiment / Dmytro Levit ; Stephan Paul [BELLE2-PTHESIS-2021-017] Presented on 13 02 2019 PhD
2019
Technische Universität München / München
The thesis describes development of a read-out system of the pixel detector at Belle II and search for a rare D+decay in full data sample of Belle experiment. [...]
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2021-08-20
16:01
Searches for an invisible Z' and for the dark Higgsstrahlung A'h' process in μ⁺μ⁻ plus missing energy final states at Belle II / Marcello Campajola ; Guglielmo De Nardo ; Francesco Di Capua [BELLE2-PTHESIS-2021-016] Presented on 24 06 2021 PhD
2021
Università di Napoli "Federico II" / Napoli (IT)
The work presented in this thesis concerns two searches for dark sector mediators in $e^+e^-$ annihilations at the center-of-mass energy of 10.58~GeV with the Belle II experiment [...]
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2021-08-09
11:48
Real-Time Trigger and online Data Reduction based on Machine Learning Methods for Particle Detector Technology / Steffen Baehr ; Juergen Becker [BELLE2-PTHESIS-2021-015] Presented on 16 07 2020 PhD
2020
KIT / Karlsruhe
Modern particle accelerator experiments are producing immense amounts of data online during their operation. [...]
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