# PhD Theses

 2022-11-0409:22 Searches for the rare 𝑩+ −> 𝑲+ v v̄ and 𝑩𝟎 −> 𝑲∗𝟎 v v̄ decays using an inclusive tagging method at the Belle II experiment / Filippo Dattola ; Alexander Glazov ; Kerstin Tackmann [doi:10.3204/PUBDB-2022-06373] [BELLE2-PTHESIS-2022-011] Presented on 26 09 2022 PhD 2022 DESY / Hamburg This thesis presents two searches for the rare B → K(∗)νν ̄ decays at the Belle II experiment, operating at the SuperKEKB asymmetric-energy electron-positron collider, at the KEK laboratories in Tsukuba, Japan. [...] Fulltext: PDF; 2022-09-1908:57 Search for B→Kνν decays with a machine learning method at the Belle II experiment / Cyrille Praz ; Alexander Glazov [BELLE2-PTHESIS-2022-010] Presented on 23 08 2022 PhD 2022 DESY / Hamburg (Germany) This thesis documents a search for the rare decay of a B meson into a K meson and a pair of neutrinos at the Belle II experiment, which is located along the SuperKEKB energy-asymmetric electron-positron collider. [...] Fulltext: PDF; 2022-09-1812:11 Data Handling Processor and Signal Transmission in the Belle II DEPFET Pixel Detector / Leonard Germic ; Norbert Wermes [BELLE2-PTHESIS-2022-009] Presented on 12 07 2018 PhD 2018 University of Bonn / Bonn The high precision measurements at the B factories have generated a new insight of the Standard Model with respect to CP violation and delivered higher constraints on the Standard Model parameters, i.e. [...] Fulltext: PDF; 2022-09-1812:09 Development of Pixel Modules for the Belle II Detector / Florian Lütticke ; Norbert Wermes [BELLE2-PTHESIS-2022-008] Presented on 01 02 2018 PhD 2018 University of Bonn / Bonn The future Belle II experiment at the SuperKEKB accelerator will improve the current understanding of flavor physics by increasing the recorded data set fiftyfold; allowing high precision measurements of CKM parameters and measurements of rare decays. [...] Fulltext: PDF; 2022-09-1510:02 Search for the visible ττ decay of a Z′ dark boson in µµττ final state with Belle II / Luigi Corona ; Francesco Forti ; Katsuro Nakamura [BELLE2-PTHESIS-2022-007] Presented on 18 07 2022 PhD 2022 University of Pisa / Pisa In this thesis we investigate the possibility of detecting these new particles in the mass range 3.6-10 GeV/c2 through their decays in a τ+τ− pair in e+e− → µ+µ−τ+τ− events. [...] Fulltext: PDF; 2022-08-1108:29 Measurement of time-dependent CP asymmetry in B0 → KS0KS0KS0 decays at the Belle II experiment / Hikaru Tanigawa ; Yutaka Ushiroda [BELLE2-PTHESIS-2022-006] Presented on 21 07 2022 PhD 2022 University of Tokyo / Tokyo B0 → KS0 KS0 KS0 decay is mediated by b → sqq penguin transition within the Standard Model. [...] Fulltext: PDF; 2022-05-2609:12 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 27 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. [...] Fulltext: PDF; 2022-04-0700:08 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. [...] Fulltext: PDF; 2022-04-0616:42 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. [...] Fulltext: PDF; 2022-04-0610:30 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 [...] Fulltext: PDF;