PhD Theses

PhD Theses 76 records found  beginprevious14 - 23nextend  jump to record: Search took 0.00 seconds. 
14. 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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15. 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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16. Ecient Physics Signal Selectors for the First Trigger Level of the Belle II Experiment based on Machine Learning / Sebastian Skambraks ; Christian Kiesling [BELLE2-PTHESIS-2023-015] Presented on 22 11 2021 PhD
2021
Ludwig-Maximilians-University / Munich
A neural network based z-vertex trigger is developed for the first level trigger of the upgraded flavor physics experiment Belle II at the high luminosity B factory SuperKEKB in Tsukuba, Japan. [...]
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17. Search for new physics in charged lepton flavor violating processes at the Belle II experiment. / Marcela Garcia Hernandez ; Ivan Heredia De La Cruz [BELLE2-PTHESIS-2023-014] Presented on 12 06 2023 PhD
2023
Cinvestav-IPN / Mexico city
In particle physics, charged Lepton Flavor Violating (cLFV) processes have not been observed. [...]
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18. Phenomenological analysis and sensibility in Belle II of the $D_s^+ \to \pi^+ \mu^+\mu^-$ decay. / Marxil Sanchez Garcia ; Genaro Toledo Sanchez ; Ivan Heredia De La Cruz [BELLE2-PTHESIS-2023-013] Presented on 02 02 2023 PhD
2023
Universidad Nacional Autonoma de Mexico / Mexico City
In this work we present a theoretical study and an experimental analysis of the $D_s^+ \to \pi^+ \mu^+\mu^-$ process in the Belle II experiment environment. [...]
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19. Machine induced background study and simulation optimization at the SuperKEKB accelerator / Antonio Paladino ; Francesco Forti ; Carlos Marinas [BELLE2-PTHESIS-2023-012] Presented on 19 02 2020 PhD
2020
Università La Sapienza / Roma
In 2004 the idea of an upgrade of KEKB to a machine with an even higher instantaneous luminosity started to be developed, and culminated in 2019 with the start of operations of SuperKEKB and the Belle II detector. [...]
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20. Development of Λ baryons reconstruction and its application to the search for a stable hexaquark at Belle II / Bianca Scavino ; Prof. Dr. Concettina Sfienti [BELLE2-PTHESIS-2023-011] Presented on 27 07 2022 PhD
2022
Institute for Nuclear Physics / Mainz
QCD-motivated models for hadrons predict an assortment of exotic hadrons, with structures more complex than the quark-antiquark mesons and the three­quark baryons of the ordinary hadron classification [...]
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21. Fast Simulation of Electromagnetic Calorimeter Responses using Deep Learning / Jubna Irakkathil Jabbar ; Prof. Dr. Guenter Quast ; Prof. Dr. Florian Bernlochner [BELLE2-PTHESIS-2023-010] Presented on 29 07 2022 PhD
2022
Karlsruhe Institute of Technology / Karlsruhe
The monte carlo simulations of particle shower responses in electromagnetic calorimeters demand enormous computational resources and time. [...]
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22. Measurements of $CP$ asymmetries in $D^0 \to \pi^+ \pi^- \pi^0$ decays in Dalitz plot regions at Belle II / Emma R. Oxford ; Roy A. Briere [BELLE2-PTHESIS-2023-009] Presented on 26 04 2023 PhD
2023
Carnegie Mellon University / Pittsburgh, PA, USA
We perform a search for charge-parity violation (CPV) in the density of events in a binned Dalitz plot of $D^*$-tagged $D^0 \to \pi^+ \pi^- \pi^0$ decays. [...]
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23. Search for a visibly decaying Z' dark boson at Belle II in e^+e^- --> mu^+mu^-mu^+mu^- events. / Martina Laurenza ; Enrico Graziani [BELLE2-PTHESIS-2023-008] Presented on 01 07 2022 PhD
2022
Roma Tre University / Roma
The Standard Model (SM) of fundamental particles and interactions is a highly predictive theory. [...]
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