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183.
| 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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184.
| Identification of muonic decays of tau pairs at the Belle II experiment through the implementation of machine learning algorithms
/ Lukas Linauer ; Gianluca Inguglia ; Christoph Schwanda
[BELLE2-MTHESIS-2021-002]
Presented on 13 01 2021 MSc
2021
HEPHY
/ Wien
The Belle II experiment, installed at the electron-positron collider SuperKEKB in Tsukuba, Japan, plans to collect around 50 ab −1 of data over the course of its lifetime; around 50 times more than its predecessor Belle. [...]
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185.
| Determination of the gyro-electric reflection and transmission coefficients in the fused quartz iTOP cherenkov particle ID detector at the Belle II experiment
/ Michael Jeandron ; Robert Kroeger
[BELLE2-MTHESIS-2021-001]
Presented on 06 12 2019 MSc
2019
University of Mississippi
/ Oxford, MS
The thesis presents new results for the reflection and transmission coefficients for Cherenkov photons in a strong magnetic field at the interface between the fused quartz of and the surrounding nitrogen gas within the iTOP particle detector, a sub-system of the Belle II experiment. [...]
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186.
| Trigger Studies for e+ e− → π+ π− γ and e+ e− → μ+ μ− and Implementation of a New DAQ Logging and Monitoring System at Belle II
/ Anselm Baur ; Günter Quast ; Florian Bernlochner
[BELLE2-MTHESIS-2020-009]
Presented on 30 10 2020 MSc
2020
KIT
/ Karlsruhe
For high-precision measurements, all influences, however small, must be taken into account when evaluating the measurement data. [...]
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187.
| In-depth characterization of diamond sensors for an update of the Belle II radiation monitor
/ Alice Gabrielli ; Lorenzo Vitale ; Dorigo Mirco
[BELLE2-MTHESIS-2020-008]
Presented on 16 10 2020 MSc
2020
University of Trieste
/ Trieste
This thesis aims at deepening and improving the methods to characterise the response of diamond detectors in view of an upgrade of the radiation monitor of the Belle II particle- physics experiment. [...]
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188.
| First charmless B decay reconstruction in Belle II data
/ Sebastiano Raiz ; Diego Tonelli
[BELLE2-MTHESIS-2020-007]
Presented on 18 09 2020 MSc
2020
University of Trieste
/ Trieste (ITA)
This is an experimental particle physics thesis aimed at the first reconstruction of charmless decays of B mesons in Belle II data. [...]
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189.
| Demonstrating learned particle decay reconstruction using Graph Neural Networks at BelleII
/ Ilias Tsaklidis ; Pablo Goldenzweig ; Isabelle Ripp-Baudot ; James Kahn ; et al
[BELLE2-MTHESIS-2020-006]
Presented on 19 06 2020 MSc
2020
Karlsruher Institut für Technologie (KIT), Institut Pluridisciplinaire Hubert CURIEN (IPHC)
/ Karlsruhe, Strasbourg
The clean environment within Belle II, with decay processes originating from non-composite electron-positron pairs, allows for the reconstruction of the entire collision event. [...]
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190.
| Preparing for Success: Search for a Heavy Non-qqbar Meson in Y(6S) Decays at Belle II
/ Shanette De La Motte ; Geoffrey Taylor
[BELLE2-MTHESIS-2020-005]
Presented on 17 12 2017 MSc
2017
University of Melbourne
/ Melbourne, Australia
While qqbar mesons and qqq baryons are ubiquitous in particle physics, the higher order qqqbarqbar mesons and qqqqq baryons are rarely seen, despite being completely allowed by quantum chromodynamics. [...]
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191.
| Optimization of the z-Vertex Neural Network Trigger for the Belle II Experiment
/ Sara McCarney ; Christian Kiesling
[BELLE2-MTHESIS-2020-004]
Presented on 08 08 2019 MSc
2019
Max-Planck-Institute for Physics
/ Munich
For the Belle II experiment at the SuperKEKB asymmetric electron-positron (e+/e-)collider (KEK, Japan) the concept of a first level (L1) track trigger, realized by neural networks, is presented [...]
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192.
| Measurement of time-integrated CP asymmetry in D0->pipi and D0->KK with Belle II Monte Carlo data
/ Jaeyeon Kim ; Taehoon Lee ; Doris Yangsoo Kim ; Sookyung Choi
[BELLE2-MTHESIS-2020-003]
Presented on 06 04 2020 MSc
2020
Soongsil University
/ Seoul
It could be the key of the new physics to measure Time-integrated CP asymmetry(A_CP) of Charm particles [...]
Fulltext: PDF; |
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