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239.
| 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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240.
| 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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241.
| 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 cm2s1, a factor 40 higher than its record-breaking predecessor KEKB. [...]
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242.
| 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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243.
| 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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244.
| 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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245.
| 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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246.
| 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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247.
| 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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248.
| 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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