Belle II Document Server 9 records found  Search took 0.00 seconds. 
1. Measurements of $|V_{cb}|$ and $|V_{ub}|$ from Belle and Belle~II / Lu Cao [BELLE2-CONF-PROC-2023-042]
01 November 2023

This proceeding summarizes recent measurements of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements $|V_{cb}|$ and $|V_{ub}|$ at the Belle and Belle~II experiments. [...]
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2. Measurements of $|V_{cb}|$ and $|V_{ub}|$ from Belle and Belle II / Lu Cao [BELLE2-TALK-CONF-2023-152] 18+2 min
06 July 2023
/ Beauty 2023
This talk summarises the recent measurements on the CKM matrix elements $|V_{cb}|$ and $|V_{ub}|$ from the Belle and Belle II experiments..
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3. Measurements of Vcb and Vub at Belle II / Lu Cao [BELLE2-TALK-DRAFT-2023-083] [BELLE2-TALK-CONF-2023-073]
03 July 2023
/ Beauty 2023
This talk presents the recent |Vcb| and |Vub| results from Belle and Belle II..
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4. Measurements of |Vxb| at Belle II / Lu Cao [BELLE2-TALK-DRAFT-2023-012] [BELLE2-TALK-CONF-2023-012]
09 February 2023
/ 7th KEK Flavour-Factory Workshop
This talk introduces the recent |Vcb| and |Vub| measurements from Belle and Belle II..
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5. 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. [...]
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6. 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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7. Measurement of the branching fraction of $B^{0}\to D^{*-}l^{+}\nu_{l}$ with early Belle II data / Minakshi Nayak ; Abner Soffer ; Florian Bernlochner ; Lu Cao ; et al [BELLE2-CONF-PH-2020-002]
15 April 2020

We measure the branching fractions for the decays $B^{0}\to D^{*-}e^{+}\nu_{e}$ and $B^{*0}\to D^{*-}\mu^{+}\nu_{\mu}$ using the first $8.70 \pm 0.09 fb^{-}$ of data collected by the Belle II experiment at the SuperKEKB asymmetric-energy $e^+ e^-$ collider using the decays $D^{*+}\to D^0 \pi^+$ and $D^0\to K^-\pi^+$..
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8. Semileptonic and leptonic results from 2018 Belle II commissioning data / Lu Cao [BELLE2-TALK-DRAFT-2019-056] [BELLE2-TALK-CONF-2019-062] 25+5 min
21 May 2019
/ Flavor 2019
The Belle II experiment, located at the SuperKEKB accelerator complex near Tokyo in Japan, has started its 2019 run to collect collision events at large instantaneous luminosities. [...]
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9. B-Decays with Missing Energy at Belle II / Lu Cao [BELLE2-TALK-CONF-2019-001] 30+15
22 January 2019
/ LHCb and Belle II Opportunities for Model Builders
The talk presents the Belle II prospects for the measurements with missing neutrino(s), including the inclusive and exclusive |Vub| and |Vcb|, leptonic decays and B to invisible final state..
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