List of Physics and Performance Publications by the Belle II Experiment

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Title WG Principal Authors Journal Arxiv
Measurement of $CP$ asymmetries in $B^0 \to K_S^0 \pi^0 \gamma$ decays at Belle II TDCPV @ Koji Hara, Akimasa Ishikawa, Kenkichi Miyabayashi, Kazutaka Sumisawa, Yuma Uematsu, Yutaka Ushiroda Phys.Rev.Lett. 134, 011802 (2025) 2407.09139
Measurement of the branching fraction and $CP$ asymmetries in $B^0 \to J/\psi \pi^0$ decays at Belle II TDCPV @ Chunhui Chen, James Cochran, Soeren Prell, Michele Veronesi Phys.Rev.D 111, 012011 (2025) 2410.08622
Measurement of the time-integrated CP asymmetry in $D^0 \to K^0_S K^0_S$ decays using Belle and Belle II data CHARM @ Sanjeeda Das, Angelo Di Canto, Kavita Lalwani Phys.Rev.D 111, 012015 (2025) 2411.00306
Observation of the decay $B^0 \to J/\psi\,\omega$ at Belle II EWP @ Noah Brenny, Chunhui Chen, Michele Veronesi Phys.Rev.D 111, 032012 (2025) 2412.12338
Measurement of the branching fraction and $\it CP$-violating asymmetry of the decay $B^{0} \rightarrow \pi^{0} \pi^{0}$ using $387$ million bottom-antibottom meson pairs in Belle II data BHAD @ Mirco Dorigo, Sebastiano Raiz, Diego Tonelli Phys. Rev. D 111, L071102 (2025) 2412.14260
Measurement of $BF$, $f_L$ and $CP$ asymmetries in $B^0 \to \rho^+\rho^-$ decays and constraints on $\phi_2$ at Belle II
Tags: Run 1
TDCPV @ Yu Nakazawa, Ryogo Okubo Phys.Rev.D 111, 092001 (2025) 2412.19624
Measurement of $B^+\to\tau^+\nu_\tau$ branching fraction with a hadronic tagging method at Belle II
Tags: Run 1
SLME @ Michele Aversano, Guglielmo De Nardo, Giovanni Gaudino, Toru Iijima, Mario Merola Phys.Rev.D 112, 072002 (2025) 2502.04885
Search for the $B0 \to K^{∗0} \tau^{+} \tau^{-}$ decay with an hadronic tagged approach
Tags: Run 1
EWP @ Claudia Cecchi, Elisa Manoni, Stefano Moneta Phys.Rev.Lett. 135, 151801 (2025) 2504.10042
A test of lepton flavour universality with a measurement of $R(D^{(*)})$ using semileptonic B tagging and leptonic $\tau$ decays
Tags: Run 1
SLME @ Florian Bernlochner, Jochen Dingfelder, Peter Lewis, Alina Manthei, Markus Prim Phys.Rev.D 112, 032010 (2025) 2504.11220
Search for lepton flavor violating decay $B^0 \rightarrow K^{*0} \tau \ell$ using the Belle and Belle II data sample
Tags: Run 1 Belle
EWP @ Valerio Bertacchi, Clotilde Lemettais, Giampiero Mancinelli, Justine Serrano JHEP 08, 184 (2025) 2505.08418
Search for a Dark Higgs produced in association with inelastic Dark Matter at the Belle II experiment
Tags: Run 1
DARKLM @ Giacomo De Pietro, Patrick Ecker, Jonas Eppelt, Torben Ferber, Pablo Goldenzweig Phys.Rev.Lett. 135, 131801 (2025) 2505.09705
Determination of |Vcb| from B → Dlν decays at Belle II
Tags: Run 1
SLME @ Philipp Horak, Christoph Schwanda Phys.Rev.D 112, 112009 (2025) 2506.15256
Search for ALP through B→Ka'(a'→γγ) decay at Belle
Tags: Belle
DARKLM @ Sungjin Cho, Youngjoon Kwon JHEP 12, 109 (2025) 2507.01249
Search for the $B^{-} \to \bar{\Sigma}_{c}(2455)^{--}\Xi_{c}^{+}$ and $\bar{B}^{0} \to \bar{\Sigma}_{c}(2455)^{0}\Xi_{c}^{0}$ decays at Belle and Belle II
Tags: Run 1 Belle
BHAD @ Yang Li, Chengping Shen Phys.Rev.D 112, L051101 (2025) 2507.05094
Model-agnostic likelihood for the reinterpretation of the $\boldsymbol{B^{+}\to K^{+} \nu \bar{\nu}}$ measurement at Belle II EWP @ Lorenz Gaertner, Nikolai Krug, Thomas Kuhr, Slavomira Stefkova Phys.Rev.D 112, 092016 (2025) 2507.12393
Measurement of $e^+e^-\to\eta\Upsilon(1S,2S)$ and search for $\gamma X_b$ with $\Upsilon(10753)$ scan data
Tags: Run 1
QQBAR @ Yang Li, Eunil Won, Youwen Xue, Junhao Yin submitted to PRL 2509.01917
Measurement of $A_{CP}$ in $\Xi_c^+\to\Sigma^+ h^+ h^-$ and $\Lambda_c^+\to p h^+ h^-$ decays at Belle II
Tags: Run 1
CHARM @ Jake Bennett, Angelo Di Canto accepted by PRD 2509.25765
Measurement of the time-dependent $CP$ asymmetry in $B^0 \to K_S^0 \pi^{+} \pi^{-} \gamma$ decays
Tags: Belle Run 1 Run 2 (partial)
TDCPV @ Varghese Babu, Jerome Baudot, Sviatoslav Bilokin, Giulio Dujany, Tristan Fillinger, Christian Finck, Pere Gironella Gironell, Isabelle Ripp-Baudot, Petros Stavroulakis published in JHEP 2510.01331
First measurements of branching fractions of $\Xi_c^{0} \to \Lambda \pi^{0}$, $\Xi_c^{0} \to \Lambda \eta$, and $\Xi_c^0 \to \Lambda \eta'$ decays using Belle and Belle~II data
Tags: Belle Run 1 Run 2 (partial)
CHARM @ Jianshe Zhou, Junxi Cui, Chengping Shen submitted to PRD 2510.20882
Measurement of the CP asymmetry in $D^0\to\pi^+\pi^-\pi^0$ decays at Belle II
Tags: Run 1
CHARM @ Giulia Casarosa, Ludovico Massaccesi accepted by PRD 2510.21224
Measurement of Born cross sections for $e^+e^-\to\omega\chi_{bJ}$ and $\pi^+\pi^-\pi^0\chi_{bJ}$ ($J$ = 0, 1, 2) at Belle and Belle II
Tags: Run 1 Belle
QQBAR @ Sen Jia, Chengping Shen submitted to JHEP 2510.25461
Measurement of branching ratio of $B \rightarrow X_{s} \nu \bar{\nu}$ in Belle II experiment
Tags: Run 1
EWP @ Akimasa Ishikawa, Youngjoon Kwon, Junewoo Park, Yutaka Ushiroda submitted to PRL 2511.10980
Precise measurement of the mass difference between $B^0$ and $B^+$ mesons
Tags: Run 1 Belle
QQBAR @ Alexander Bondar, Roman Mizuk submitted to JHEP 2511.15926
Measurement of inclusive $B \to X_{u} \ell \nu$ partial branching fractions and $|V_{ub}|$ at Belle II
Tags: Run 1
SLME @ Tommy Martinov, Marcel Hohmann, Lu Cao, Kerstin Tackmann, Florian Bernlochner, Merle Graf-Schreiber, Munira Khan, Martin Angelsmark, Phillip Urquijo accepted by PRD 2512.08056
A search for feebly-interacting particles in $B$ decays with missing energy at Belle
Tags: Belle
DARKLM @ Daniel Marcantonio, Phillip Urquijo submitted to PRL arXiv:2601.07104
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