Belle II Document Server 12 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
1. B -> Xu l nu inclusive study at Belle II / Lu Cao [BELLE2-TALK-DRAFT-2024-129] [BELLE2-TALK-CONF-2024-121]
23 September 2024
/ 2024 Workshop on Challenges in Semileptonic B Decays
This talk will review the inclusive B->Xu l nu measurements at Belle and present the status of ongoing activities at Belle II with a focus on the potential improvements in the analysis strategies..
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2. Semileptonic $B$ decays from Belle and Belle II / Lu Cao [BELLE2-CONF-PROC-2024-014] Contribution to the 2024 Electroweak session of the 58th Rencontres de Moriond
14 June 2024

This proceeding summarizes recent measurements of the CKM matrix elements $|V_{cb}|$, $|V_{ub}|$, and lepton-flavor universality tests in semileptonic B decays from the Belle and Belle~II experiments. [...]
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3. Semileptonic results from Belle and Belle II / Lu Cao [BELLE2-TALK-DRAFT-2024-052] [BELLE2-TALK-CONF-2024-048]
24 March 2024
/ Moriond EW 2024 - Electroweak Interactions & Unified Theories
This talk presents the recent measurements on semileptonic B decays from Belle and Belle II and covers the topics on |Vxb| and tests of lepton universality..
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4. 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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5. 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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6. 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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7. 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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8. 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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9. 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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10. 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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