523.
| Recent results on semileptonic, radiative and electroweak penguins decays at Belle II
/ Svenja Katharina Granderath
[BELLE2-TALK-DRAFT-2023-013]
[BELLE2-TALK-CONF-2023-007]
19 February 2023
/ Lake Louise Winter Institute 2023
This talk discusses recent results from Belle II concerning semileptonic, electroweak or radiative penguin decays..
Fulltext: PDF; |
524.
| Recent results on Dark-sector and tau lepton physics at Belle II
/ Sascha Dreyer
[BELLE2-TALK-DRAFT-2023-018]
[BELLE2-TALK-CONF-2023-006]
19 February 2023
/ Lake Louise Winter Institute 2023
The Belle II experiment at the SuperKEKB collider has unique sensitivity to a broad class of models that postulate the existence of dark matter particles with MeV—GeV masses. [...]
Fulltext: PDF; |
525.
| Tau physics at Belle II
/ Michel Hernandez Villanueva
[BELLE2-TALK-DRAFT-2023-016]
[BELLE2-TALK-CONF-2023-005]
20 February 2023
/ The 5th KMI International Symposium
A presentation on the tau physics program at Belle II..
Fulltext: PDF; |
526.
| Measurement of the photon-energy spectrum in inclusive B-> X_s gamma decays identified using hadronic decays of the recoil B meson in 2019–2021 Belle II data
/ Henrikas Svidras ; Arthur Bolz ; Lu Cao ; Markus Röhrken ; et al
[BELLE2-CONF-DRAFT-2022-018]
[BELLE2-CONF-PH-2022-018]
20 October 2022
We measure the photon-energy spectrum in radiative bottom-meson ($B$) decays into inclusive final states involving a strange hadron and a photon. [...]
Fulltext: PDF (additional files); |
527.
| Performance studies of Thin Fine-Pitch Silicon Vertex Detector for Belle II Vertex Detector upgrade
/ Zihan Wang ; Yutaka Ushiroda
[BELLE2-MTHESIS-2023-005]
Presented on 27 07 2022 MSc
2022
The University of Tokyo
/ Tokyo
The Belle II experiment located at KEK, Tsukuba (Japan) precisely measures the Standard Model parameters analyzing various flavor physics processes to search for new physics beyond the Standard Model. [...]
Fulltext: PDF; |
528.
| Search for muonic dark force and performance studies of lepton identification at Belle II
/ Rajesh Kumar Maiti ; Gianluca Inguglia
[BELLE2-PTHESIS-2023-003]
Presented on 20 01 2023 PhD
2023
Institut of High Energy Physics
/ Vienna
This thesis presents an advanced search strategy to find a new dark gauge boson 𝑍′ and performance studies of particle identification to assist the new physics searches, especially involving flavor-changing charge and neutral currents in semi- leptonic 𝐵 decays. [...]
Fulltext: PDF; |
529.
| A measurement of the ratio of light-lepton inclusive semileptonic $B$ decay rates $R(X_{e/\mu})$ = $\mathcal{B}(B\to X e \nu)$ / $\mathcal{B}(B\to X \mu \nu)$ using $189\,\mathrm{fb}^{-1}$ of data at Belle~II
/ Henrik Junkerkalefeld
[BELLE2-CONF-PROC-2023-006]
16 December 2022
In this work a measurement of the ratio of branching fractions of inclusive semileptonic $B$ meson decays, $R(X_{e/\mu})=\mathcal{B}(B\to X e \nu)/\mathcal{B}(B\to X \mu \nu)$ is reported as a probe of $e-\mu$ universality [...]
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530.
| Measurement of the time dependent CP Asymmetry of $B \to K^* \gamma$ decays in the Belle II experiment
/ Tristan Fillinger ; Jérôme Baudot
[BELLE2-PTHESIS-2023-002]
Presented on 30 09 2022 PhD
2022
Université de Strasbourg
/ Strasbourg
The Standard Model of particle physics, which describes the fundamental particles and their interactions, is the most successful theory in the history of science. [...]
Fulltext: PDF; |
531.
| Semileptonic and Leptonic B Physics at Belle II
/ Priyanka Cheema
[BELLE2-CONF-PROC-2023-005]
4th World Summit on Exploring the Dark Side of the Universe (EDSU 2022)
01 February 2023
Semileptonic decays of B mesons that proceed via b → u and b → c transitions, as well as rare leptonic B decays, are fertile grounds for probing new physics beyond the Standard Model. [...]
Fulltext: PDF; |
532.
| Efficiency study on the cross section measuremnt of ee->pi+pi-pi0 through the radiative return method at Belle II
/ Yuki Sue
[BELLE2-NOTE-PL-2023-001]
31 January 2023
This document presents plots of efficiency study for the cross section measurement of ee->3pi. [...]
Fulltext: PDF; |