Showing 1–20 of 48 results
/ Date/ Name
May 5, 2025Measurement of the time-integrated $CP$ asymmetry in $D^0\toπ^0π^0$ decays at Belle IIMay 2, 2025Summary Report of the Physics Beyond Colliders Study at CERNDec 18, 2024Measurement of the branching fraction and $\it CP$-violating asymmetry of the decay $B^{0} \rightarrow π^{0} π^{0}$ using $387$ million bottom-antibottom meson pairs in Belle II dataJul 1, 2024Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experimentMay 30, 2024Search for the decay $B^{0}\toγγ$ using Belle and Belle II dataMay 12, 2024Search for lepton-flavor-violating $τ^- \to μ^-μ^+μ^-$ decays at Belle IIApr 19, 2024Determination of the CKM angle $φ_{3}$ from a combination of Belle and Belle II resultsMar 30, 2024Angular analysis of $B \to K^* e^+ e^-$ in the low-$q^2$ region with new electron identification at BelleDec 20, 2023Search for the $e^+e^-\toη_{b}(1S)ω$ and $e^+e^-\toχ_{b0}(1P)ω$ processes at $\sqrt{s}=10.745\,\mathrm{GeV}$Nov 13, 2023First Measurement of $R(X_{τ/\ell})$ as an Inclusive Test of the $b \to c τν$ AnomalyAug 9, 2023Measurement of branching-fraction ratios and $CP$ asymmetries in $B^{\pm} \to D_{CP\pm}K^{\pm}$ decays at Belle and Belle IIMay 30, 2023Measurement of the $τ$-lepton mass with the Belle~II experimentOct 19, 2022Measurement of the photon-energy spectrum in inclusive $B\rightarrow X_{s}γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II dataOct 9, 2022Determination of $|V_{ub}|$ from untagged $B^0\toπ^- \ell^+ ν_{\ell}$ decays using 2019-2021 Belle II dataAug 18, 2022Measurement of the $Ω_c^0$ lifetime at Belle IIJun 25, 2021Rediscovery of $B^0\to J\mskip 1mu / ψ\mskip 2mu K^0_{\scriptscriptstyle L}$ at Belle IIJun 7, 2021Measurements of branching fractions and direct CP asymmetries in $B^{0}\to K^{+} π^{-}$, $B^+ \to K_{\rm S}^0π^+$ and $B^0 \to π^+π^-$ using 2019 and 2020 dataJun 1, 2021Measurement of the time-integrated mixing probability $χ_d$ with a semileptonic double-tagging strategy and $34.6 {\rm fb}^{-1}$ of Belle II collision dataApr 13, 2021Measurement of the branching fractions of $B\toη' K$ decays using 2019/2020 Belle II dataSep 20, 2020Measurements of branching fractions and CP-violating charge asymmetries in charmless $B$ decays reconstructed in 2019--2020 Belle~II data