903.
| Neural Network based Pulse Shape Analysis with the Belle II Electromagnetic Calorimeter
/ Stella Katharina Wermuth ; Dr. Torben Ferber ; Prof. Dr. Oliver Gerberding
[BELLE2-MTHESIS-2021-072]
Presented on 22 06 2021 MSc
2021
DESY
/ Hamburg
The Belle II experiment, located at the SuperKEKB e+e- collider in Japan, uses pulse shape analysis techniques to distinguish electromagnetically and hadronically interacting particles within the CsI(Tl) electromagnetic calorimeter. [...]
Fulltext: PDF; |
904.
| Belle II Status and Prospects for New Physics
/ Tom Browder
[BELLE2-TALK-CONF-2021-062]
60 minutes (Indian Summer School sponsored by MNIT Jaipur)
19 July 2021
/ Software Tools and Techniques in EHEP and Its applications
I review the status of Belle II@SuperKEKB including new luminosity world records, recent results on the dark sector, B physics, charm and tau physics. [...]
Fulltext: PPTX; |
905.
| Search for lepton flavour violating B meson decays at the Belle experiment
/ Mateusz Kaleta ; Andrzej Bożek
[BELLE2-MTHESIS-2021-071]
Presented on 26 01 2021 MSc
2021
-
/ -
The work of the thesis is concerned about searching for Lepton Flavour Violating B meson decays, B+ →K+τ±μ∓, in the experimental environment of the Belle experiment. [...]
Fulltext: PDF; |
906.
| Rediscovery of the $\Upsilon(4S) \to \eta h_b(1P)$ transition at \belletwo: approved plots
/ Umberto Tamponi
[BELLE2-NOTE-PL-2021-007]
16 July 2021
Approved plots from the B2N-PH-2021-19
Fulltext: PDF; |
907.
| Sensitivity studies on the lepton universality in the channel $\Upsilon(nS)\rightarrow \ell \ell$ via initial-state radiation
/ Gian Luca Pinna Angioni ; Umberto Tamponi
[BELLE2-NOTE-PL-2021-006]
16 July 2021
In this note, we present the results of sensitivity studies on the lepton universality in the channel ϒ(nS) → 𝓵𝓵 via initial-state radiation (ISR). [...]
Fulltext: PDF; |
908.
| Study of 𝐵 → 𝜋^−ℓ^+𝜈_ℓ Decays Using Fully Reconstructed ϒ(4𝑆) → 𝐵 \bar 𝐵 Events at the Belle II Experiment
/ Yaroslav Kulii ; Thomas Kuhr
[BELLE2-MTHESIS-2021-070]
Presented on 15 09 2020 MSc
2020
Ludwig Maximilian University
/ Munich
We present the results of a study of exclusively reconstructed 𝐵 → 𝜋^−ℓ^+𝜈_ℓ decays, where ℓ is an electron or a muon. [...]
Fulltext: PDF; |
909.
| Measurement of the branching fraction for $B^{0} \to \pi^{0} \pi^{0}$ decays reconstructed in 2019–2020 Belle II data
/ Francis Pham ; Martin Sevior
[BELLE2-CONF-PH-2021-003]
23 pages, 10 figures. Supporting material for Winter 2021 conferences
06 July 2021
We report the first reconstruction of the $B^{0} \to \pi^{0} \pi^{0}$ decay mode at Belle II using samples of 2019 and 2020 data that correspond to 62.8 \invfb of integrated luminosity. [...]
Fulltext: PDF; |
910.
| Construction of Angular Observables Sensitive to New Physics in $\bar B\to D^*\tau^-\bar \nu_\tau$ Decays and Measurements of Differential Cross Sections of $\bar B\to D^*\ell^-\bar\nu_\ell$ Decays with Hadronic Tagging at Belle
/ Kilian Lieret ; Thomas Kuhr ; Martin Jung ; Gerhard Buchalla
[BELLE2-MTHESIS-2021-069]
Presented on 16 09 2018 MSc
2018
Ludwig Maximilian University of Munich
/ Munich
Recent measurements of $\bar B\to D^{(*)}\ell^-\bar\nu_\ell$ cross sections at Belle, BaBar, and LHCb challenge lepton universality and thus the Standard Model at a combined confidence level close to four standard deviations. [...]
Thesis: PDF; |
911.
| Sensitivity Study of $B^{+}\rightarrow \mu^{+}\nu$ in the Belle II Experiment
/ Yen-Ting Chin ; Pao-Ti Chang
[BELLE2-MTHESIS-2021-068]
Presented on 25 01 2021 MSc
2021
National Taiwan University
/ Taipei, Taiwan
In this study, we intend to estimate the statistical significance of $B^{+}\rightarrow \mu^{+}\nu$ when various amounts of Belle II data are available in the future, assuming that the Standard Model estimation of the branching fraction of $B^{+}\rightarrow \mu^{+}\nu$ is correct. [...]
Fulltext: PDF; |
912.
| A Study of Dark Matter at Electron-Positron Colliders using High Performance Computing
/ Kihong Park ; Kihyeon Cho
[BELLE2-MTHESIS-2021-067]
Presented on 02 06 2021 MSc
2021
UST/KISTI
/ Daejeon, Korea
Even if the Standard Model (SM) describing particles that constitutes the universe and its interactions is well established, the SM cannot explain dark matter. [...]
Fulltext: PDF; |