Proceedings 171 records found  beginprevious21 - 30nextend  jump to record: Search took 0.00 seconds. 
21. Measurements of charm lifetimes at Belle II / Nisar Nellikunnummel [BELLE2-CONF-PROC-2022-017]
21 September 2022

We report on absolute lifetime measurements of charmed hadrons using the data collected by the Belle II experiment between 2019 and 2021. [...]
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22. Hadronic $B$ decays at Belle II / Sebastiano Raiz [BELLE2-CONF-PROC-2022-016]
19 September 2022

We report on recent measurements of hadronic $B$ decays using the data set collected from 2019 to 2021 by the Belle~II experiment and corresponding to an integrated luminosity of 189.8 ${\rm fb^{-1}}$. [...]
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23. Semileptonic and rare decays at Belle II / Daniel Dorner [BELLE2-CONF-PROC-2022-015]
19 September 2022

The Belle II collaboration presents their first measurements of the magnitude of the Cabibbo-Kobayashi-Maskawa matrix elements $|V_{cb}|$ and $|V_{ub}|$, as well as their first branching fraction measurement of $B\rightarrow K^*\ell^+\ell^-$ based on up to 189.26 fb$^{-1}$ of data collected at the $\Upsilon(4S)$ resonance. [...]
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24. Overview of R(D) and R(D*) at FPCP / Racha Cheaib [BELLE2-CONF-PROC-2022-014]
26 August 2022

In this talk, an overview of the latest $R(D^{(*)}$ measurements performed at the Belle and LHCb experiments is presented [...]
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25. Latest results on semileptonic and electroweak penguin decays at Belle II / Maximilian Welsch [BELLE2-CONF-PROC-2022-013]
15 May 2022

The Belle~II Collaboration presents four new analyses: The measurement of $V_{ub}$ from $B \to \pi e \nu_e$ decays with a fit to the differential $q^2$ spectrum, the determination of $V_{cb}$ using a fit to the differential $w$ distribution from $B^0 \to D^{\ast -} \ell^+ \nu_\ell$ decays, and the measurement of $q^2$ moments in inclusive $B \to X_c \ell \nu_\ell$ decays. [...]
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26. Belle II experiment: Status and prospect” / Eiasha Waheed [BELLE2-CONF-PROC-2022-012]
18 April 2022

The Belle II experiment at the SuperKEKB 𝑒−𝑒+ collider is the successor to the Belle experiment [...]
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27. Tau physics at Belle II / Zuzana Gruberova [BELLE2-CONF-PROC-2022-011]
06 April 2022

Precise measurements of the τ lepton properties can serve as a unique probe of Standard Model (SM) as well as New Physics (NP) phenomena. [...]
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28. Charm and time-dependent CPV in B decays at Belle II / Radek Zlebcik [BELLE2-CONF-PROC-2022-010]
11 April 2022

The Belle~II measurements relying on the precise determination of the positions of displaced vertices are presented. [...]
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29. Charmless 𝑩 Decay Measurements at Belle II / Sagar Hazra [BELLE2-CONF-PROC-2022-009]
24 March 2022

We report the measurements of $\CP$ asymmetry and branching fraction of various charmless $B$ decays performed using $\epem$ collision data recorded at the $\FourS$ resonance with the Belle II detector at the SuperKEKB collider. [...]
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30. Particle identification with the Belle II calorimeter using machine learning / Abtin Narimani Charan [BELLE2-CONF-PROC-2022-008]
27 February 2022

I present an application of a convolutional neural network (CNN) to separate muons and pions in the Belle II electromagnetic calorimeter (ECL). [...]
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