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2021-06-14
11:31		 Development and Deployment of a Deep Neural Network based Flavor Tagger for Belle II / Jochen Gemmler ; Prof. Michael Feindt ; Prof. Florian Bernlochner [ETP-KA/2020-11] [BELLE2-PTHESIS-2021-005] Presented on 15 05 2020 PhD
2020 Karlsruhe Institute of Technology / Karlsruhe
In this thesis a flavor tagging algorithm based on these Deep Learning methods is developed and investigated. [...]
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2021-06-10
12:12		 Study of the τ lepton decays at the Belle II experiment / Zuzana Gruberova ; Zdenek Dolezal ; Petar Rados ; Ami Rostomyan [BELLE2-MTHESIS-2021-007] Presented on 22 06 2021 MSc
2021 Charles University / Prague
This master thesis describes the measurement of the π0 reconstruction efficiency correction using τ-pair events from the Belle II experiment. [...]
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2021-05-20
13:17		 Track-finding efficiency at Belle II / Reshma Menon R ; Dr. Seema Bahinipati [BELLE2-MTHESIS-2021-006] Presented on 15 05 2021 MSc
2021 INDIAN INSTITUTE OF TECHNOLOGY BHUBANESWAR / ODISHA,INDIA
Track finding efficiency is a vital input to various sources of systematic uncertainties in analyses involving charged particles.Method to calculate tracking efficiency for hadrons is different than that for muons due their decays and interactions with the material of the detector.Therefore, here we describe a method of estimating the relative tracking efficiency of slow pions in data compared to simulation by focusing on B0→ D∗− π+ decay where the D∗− further decays to D̄0 π− .Owing to its limited phase space,the pion from D∗ decay is traditionally referred as slow-pion due to a small mass difference between the D∗ and D̄0. [...]
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2021-05-01
18:09		 Shower shape conversion between electrons and photons in Belle II using Cycle Generative Adversarial Network / Cedric Ly ; Dr. Torben Ferber [BELLE2-MTHESIS-2021-005] Presented on 18 03 2021 MSc
2021 DESY / Hamburg
Simulation is essential to high-energy physics. [...]
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2021-04-27
06:53		 CLAWS - a novel time resolved study of backgrounds during the first commissioning phase of SuperKEKB / Miroslav Alois Aaron Maria Gabriel ; Prof. Dr. Nora Brambilla ; Prof. Dr. Allen Caldwell ; Prof. Dr. Stephan Paul [BELLE2-PTHESIS-2021-004] Presented on 30 10 2019 PhD
2019 Max-Planck-Institut für Physik / Munich
Abstract The asymmetric e+e􀀀 collider SuperKEKB is a second generation flavor factory designed to achieve an unprecedented luminosity of 8 1035 cm􀀀2s􀀀1, a factor 40 higher than its record-breaking predecessor KEKB. [...]
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2021-04-24
22:10		 Search for the decay Bs0 → η' Xss̄ Using a Semi-Inclusive Method at the Belle Experiment / Shawn Dubey ; Thomas E. Browder [BELLE2-PTHESIS-2021-003] Presented on 19 12 2020 PhD
2020 University of Hawaii/ProQuest / Honolulu, HI
The decay Bs0 → η' Xss̄ is searched for at Belle, using Belle’s 121.4 fb − 1 integrated luminosity data sample, taken at Υ( 5S ) resonance. [...]
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2021-04-22
13:14		 High Speed Data Multiplexer for the Belle II Pixel Detector & Search for an Exotic Resonance at the D*0 anti-D*0 Threshold in Charged B Meson Decays / Klemens Lautenbach ; Jens Sören Lange [BELLE2-PTHESIS-2021-002] Presented on 08 02 2021 PhD
2021 II. Institute of Physics (Subatomic Physics) / Giessen
In the physics part of the thesis, the exotic state X(4014) is studied for Belle II. [...]
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2021-03-31
10:08		 SM Compatibility of B to K*)pi Measurements and Ongoing Analysis on B+ to K*(892)+ pi0 in Belle II / Oskar Tittel ; Christian Kiesling [BELLE2-MTHESIS-2021-004] Presented on 15 03 2021 MSc
2021 Max-Planck-Institut für Physik / Munich
In 2001, the BaBar and Belle experiments have convincingly confirmed the CP violation within the B meson system as predicted by the Standard Model (SM). [...]
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2021-03-18
13:32		 Search for an invisibly decaying Z' boson and study of particle identification at the Belle II experiment / Paul Feichtinger ; Gianluca Inguglia ; Christoph Schwanda [BELLE2-MTHESIS-2021-003] Presented on 16 03 2021 MSc
2021 Atominstitut (ATI); Institut für Hochenergiephysik (HEPHY) / Vienna
The subject of this thesis is the search for a hypothetical Z' vector boson in events with two muons plus missing energy in the final state (e+e− → μ+μ− (Z' → invisible)) at the Belle II detector, located at the SuperKEKB accelerator in Tsukuba, Japan. [...]
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2021-02-14
20:27		 Search for new physics in B0 radiative decays and measure of their lifetime with the Belle II experiment / Reem RASHEED ; Jerome BAUDOT [BELLE2-PTHESIS-2021-001] Presented on 18 12 2020 PhD
2020 IPHC / Strasbourg
After the Big Bang matter and antimatter were present in equal amounts [...]
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PhD Theses (21)
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Last updated: 21 Jun 2021, 21:56