Belle II Document Server 1,975 records found  beginprevious492 - 501nextend  jump to record: Search took 0.00 seconds. 
492. 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. [...]
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493. 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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494. 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. [...]
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495. 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. [...]
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496. 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. [...]
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497. Study on first-level trigger of the Belle II experiment using upgraded silicon strip detector / Tomoyuki Shimasaki ; Takeo Higuchi [BELLE2-MTHESIS-2023-004] Presented on 27 01 2023 MSc
2023
The University of Tokyo / Tokyo
In order to explore new physics beyond the Standard Model, the Belle II experiment plans to accumulate the integrated luminosity of 50 ab−1. [...]
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498. Anomaly Detection in Searches for Inelastic Dark Matter with a Dark Higgs at Belle II / Jonas Eppelt ; Prof. Dr. Torben Ferber ; Prof. Dr. Günter Quast [BELLE2-MTHESIS-2023-003] Presented on 14 11 2022 MSc
2022
Insitut for Experimental Particle Physics / Karlsruhe
In recent years a complementary search paradigm to classical searches has gained traction in the high energy physics community. [...]
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499. Recent quarkonium results at Belle I / Dmytro Meleshko ; Elisabetta Prencipe ; Soeren Lange [BELLE2-CONF-PROC-2023-004]
26 January 2023

The Belle experiment has given a substantial contribution in the field of heavy quarkonia. [...]
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500. Radiation tolerance studies of the double sided silicon strip sensor / Fumiaki Otani ; Takeo Higuchi [BELLE2-MTHESIS-2023-002] Presented on 27 01 2023 MSc
2023
The University of Tokyo / Tokyo, Japan
The B meson decays can be studied precisely and compared with the standard model (SM) to search for new physics of elementary particles. [...]
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501. Photon Reconstruction in the Belle II Calorimeter Using Graph Neural Networks / Florian Jochen Wemmer ; Prof. Dr. Torben Ferber ; Prof. Dr. Markus Klute [BELLE2-MTHESIS-2023-001] Presented on 11 11 2022 MSc
2022
Institute of Experimental Particle Physics (ETP) / Karlsruhe
This thesis presents the implementation and performance of the GravNet algorithm for the photon energy reconstruction in the Belle II electromagnetic calorimeter [...]
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