Belle II Document Server 1,970 records found  beginprevious1080 - 1089nextend  jump to record: Search took 0.00 seconds. 
1080. First Physics Results from Belle II@SuperKEKB / Tom Browder (University of Hawai'i) [BELLE2-TALK-CONF-2020-055] 1 hour
11 September 2020
/ Fermilab Wine and Cheese Seminar
I review the status of Belle II and SuperKEKB after the spring 2020 run during the global pandemic. [...]
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1081. LDM and mediator searches at B-factories (Belle-II, including BaBar and Belle results) / Enrico Graziani [BELLE2-TALK-DRAFT-2020-053] [BELLE2-TALK-CONF-2020-054]
31 August 2020
/ Workshop on Feebly-Interacting Particles
The Belle II experiment at the SuperKEKB energy-asymmetric 𝑒+𝑒− collider is a substantial upgrade of the B factory facility at the Japanese KEK laboratory. [...]
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1082. Measurement of Hadronic Mass Moments in B->Xclv Decays at Belle II / Maximilian Welsch ; Florian Bernlochner [BELLE2-CONF-PH-2020-011]
01 September 1993

We present measurements of the first six hadronic mass moments in semileptonic $B \rightarrow X_c \ell \nu $ decays. [...]
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1083. Measurement of the semileptonic $\bar{B^0} \rightarrow D^{*} \ell \nu_{\ell}$ branching fraction with fully reconstructed $B$ meson decays and 34.6 fb$^{-1}$ of Belle~II data / Kyle Amirie ; Florian Bernlochner ; Racha Cheaib ; Michael Eliachevitch ; et al [BELLE2-CONF-PH-2020-009]
25 August 2020

We present a first measurement of the $\bar{B^0} \rightarrow D^{*} \ell \nu_{\ell}$ branching fraction using fully reconstructed $B$ meson decays employing the Full Event Interpretation algorithm [...]
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1084. Optimization of the z-Vertex Neural Network Trigger for the Belle II Experiment / Sara McCarney ; Christian Kiesling [BELLE2-MTHESIS-2020-004] Presented on 08 08 2019 MSc
2019
Max-Planck-Institute for Physics / Munich
For the Belle II experiment at the SuperKEKB asymmetric electron-positron (e+/e-)collider (KEK, Japan) the concept of a first level (L1) track trigger, realized by neural networks, is presented [...]
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1085. Studies of the semileptonic $\bar B^0\to D^{*+}\ell^-\bar\nu_\ell$ and $B^-\to D^{0}\ell^-\bar\nu_\ell$ decay processes with \mbox{34.6 fb$^{-1}$} of Belle II data / Florian Bernlochner ; Lu Cao ; Daniel Dorner ; Philipp Horak ; et al [BELLE2-CONF-PH-2020-008]
05 August 2020

We report measurements of the $\bar B^0\to D^{*+}\ell^-\bar\nu_\ell$ and $B^-\to D^{0}\ell^-\bar\nu_\ell$ processes using \mbox{34.6 fb$^{-1}$} of collision events recorded by the Belle~II experiment at the SuperKEKB asymmetric-energy $e^+ e^-$ collider [...]
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1086. A calibration of the Belle II hadronic tag-side reconstruction algorithm with $B \rightarrow X\ell \nu$ decays / William Sutcliffe ; Florian Bernlochner [BELLE2-CONF-PH-2020-005]
08 May 2020

Tag-side reconstruction is an important method for reconstructing $B$ meson decays with missing energy. [...]
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1087. Exclusive $B^0 \to \pi^- \ell^+ \nu_\ell$ Decays with Hadronic Full Event Interpretation Tagging in 34.6\invfb of Belle II Data / Nadia Toutounji ; Kevin Varvell ; Moritz Bauer ; Pablo Goldenzweig [BELLE2-CONF-PH-2020-007]
05 August 2020

We present the results of the re-discovery of the decay $B^0 \to \pi^- \ell^+ \nu_\ell$ in 34.6\invfb of Belle II data using hadronic $B$-tagging via the Full Event Interpretation algorithm [...]
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1088. Trigger efficiency measurement using e+e- → τ+τ- events at Belle II / Petar Rados [BELLE2-TALK-DRAFT-2020-041] [BELLE2-TALK-CONF-2020-053]
28 July 2020
/ 40th International Conference on High Energy Physics
The Belle II detector was completed with the installation of a silicon vertex detector that covers most of the solid angle around the interaction region. [...]
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1089. Track reconstruction efficiency measurement using e+e- → τ+τ- events at Belle II / Laura Zani [BELLE2-TALK-DRAFT-2020-043] [BELLE2-TALK-CONF-2020-052]
28 July 2020
/ 40th International Conference on High Energy Physics
We present the measurement of the Belle II track reconstruction efficiency and Monte Carlo efficiency correction factors using τ-pair events, in which one τ lepton decays leptonically ( τ → lνν , l = e, μ) while the other decays hadronically into three charged pions ( τ → 3πν + nπ0) [...]
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