List of Physics and Performance Publications by the Belle II Experiment

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Title▼ WG Principal Authors Journal Arxiv▼
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
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
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 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
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 CP Asymmetry in $D^0 \to \pi^+ \pi^− \pi^0$ decays
Tags: Run 1 		CHARM @ Giulia Casarosa, Ludovico Massaccesi accepted by PRD 2510.21224
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 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
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 $e^+e^-\to\eta\Upsilon(1S,2S)$ 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
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
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
Search for ALP through B→Ka'(a'→γγ) decay at Belle
Tags: Belle 		DARKLM @ Sungjin Cho, Youngjoon Kwon JHEP 12, 109 (2025) 2507.01249
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 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
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
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 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
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
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 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
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 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
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 $CP$ 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
Measurements of branching fractions, CP and isospin asymmetries of $B\to \rho \gamma$ using 2 combined data of Belle and Belle II
Tags: Run 1 Belle 		EWP @ Youngjoon Kwon, Shun Watanuki Phys.Rev.D 111, L071103 (2025) 2407.08984
Search for the baryon number and lepton number violating decays $\tau^{\mathstrut -} \to \Lambda \pi^{\mathstrut -}$ and $\tau^{\mathstrut -} \to \bar\Lambda \pi^{\mathstrut -}$ at Belle II TAU @ Wenzhe Li, Yubo Li, Chengping Shen Phys.Rev.D 110, 112003 (2024) 2407.05117
Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment PERF @ Chengping Shen, Jianshe Zhou, Xing-Yu Zhou, Radek Zlebcik Chin.Phys.C 49, 013001 (2025) 2407.00965
Measurement of the branching fractions of $\bar{B} \to D^{(*)} K^{\mathstrut -} K_{(S)}^{(*)0}$ and $\bar{B} \to D^{(*)} D_s^{\mathstrut -}$ decays at Belle II BHAD @ Valerio Bertacchi, Karim Trabelsi JHEP 08, 206 (2024) 2406.06277
Measurements of the branching fractions of $\Xi_{c}^{0}\to\Xi^{0}\pi^{0}$, $\Xi_{c}^{0}\to\Xi^{0}\eta$, and $\Xi_{c}^{0}\to\Xi^{0}\eta^{\prime}$ and asymmetry parameter of $\Xi_{c}^{0}\to\Xi^{0}\pi^{0}$ CHARM @ Junxi Cui, Sen Jia, Chengping Shen JHEP 10, 045 (2024) 2406.04642
Search for the decay $B^{0} \to \gamma \gamma$ using Belle and Belle II data EWP @ Bipul Bhuyan, Dibyajyoti Kalita, Shubhangi Maurya Phys.Rev.D 110, L031106 (2024) 2405.19734
Measurement of the energy dependence of the $e^+ e^{\mathstrut -}\to B\bar{B}$, ${B}\bar{B}{}^*$ and ${B}{}^*\bar{B}{}^*$ cross sections at Belle II QQBAR @ Alexander Bondar, Roman Mizuk, Sergey Privalov JHEP 10, 114 (2024) 2405.18928
Test of light-lepton universality in $\tau$ decays with Belle II TAU @ Paul Feichtinger, Zuzana Gruberova, Michel Hernandez Villanueva, Philipp Horak, Gianluca Inguglia, Alberto Martini, Petar Rados, Geraldine Raeuber, Armine Rostomyan JHEP 08, 205 (2024) 2405.14625
Search for lepton flavour violating decay $\tau^- \to \mu^+ \mu^{\mathstrut -} \mu^{\mathstrut -}$ decays in Belle II data TAU @ Robin Leboucher, Alberto Martini, Armine Rostomyan, Justine Serrano, Laura Zani JHEP 09, 062 (2024) 2405.07386
Determination of the CKM angle $\phi_3$ from a combination of Belle and Belle II results BHAD @ Niharika Rout, Xiaodong Shi, Yateng Zhang JHEP 10, 143 (2024) 2404.12817
Measurement of the branching fraction of the decay $B^{\mathstrut -} \to D^0\rho(770)^{\mathstrut -}$ at Belle II BHAD @ Mirco Dorigo, Riccardo Manfredi, Olga Werbycka Phys.Rev.D 109, L111103 (2024) 2404.10874
Search for rare $b \to d \ell^+\ell^{\mathstrut -}$ transitions at Belle EWP @ Chunhui Chen, Seema Choudhury, James Cochran, Soeren Prell Phys.Rev.Lett. 133, 101804 (2024) 2404.08133
Measurement of the $e^+ e^{\mathstrut -} \to \pi^+ \pi^{\mathstrut -} \pi^0$ cross section in the energy range 0.62-3.50 GeV at Belle II DARKLM @ Toru Iijima, Boris Shwartz, Yuki Sue Phys.Rev.D 110, 112005 (2024) 2404.04915
Search for a $\mu^+ \mu^{\mathstrut -}$ resonance in four-muon final states at Belle II DARKLM @ Giacomo De Pietro, Enrico Graziani, Gianluca Inguglia, Martina Laurenza, Rajesh Kumar Maiti Phys.Rev.D 109, 112015 (2024) 2403.02841
Measurement of $CP$ asymmetries in $B^0 \to K_S^0 K_S^0 K_S^0$ decays at Belle II TDCPV @ Koji Hara, Kazutaka Sumisawa, Hikaru Tanigawa, Yutaka Ushiroda Phys.Rev.D 109, 112020 (2024) 2403.02590
New graph-neural-network flavor tagger for Belle II and measurement of $\sin2\phi_1$ in $B^0 \to J\psi K_S^0$ decays TDCPV @ Thibaud Humair, Yo Sato, Petros Stavroulakis, Oskar Tittel, Radek Zlebcik Phys.Rev.D 110, 012001 (2024) 2402.17260
Measurement of $CP$ asymmetries in $B^0 \to \eta' K_S^0$ decays at Belle II TDCPV @ Hanwook Bae, Jakub Kandra, Stefano Lacaprara Phys.Rev.D 110, 112002 (2024) 2402.03713
Study of $\Upsilon(10753)$ decays to $\pi^+ \pi^{\mathstrut -}\Upsilon(nS)$ final states at Belle II QQBAR @ Bryan Fulsom, Junhao Yin JHEP 07, 116 (2024) 2401.12021
Test of lepton flavour universality with a measurement of $R(D^{*})$ using hadronic $B$ tagging at the Belle II experiment SLME @ Racha Cheaib, Koji Hara, Toru Iijima, Taichiro Koga, Kazuki Kojima, Kodai Matsuoka, Katsuro Nakamura, Hannah Wakeling, Qi-Dong Zhou Phys.Rev.D 110, 072020 (2024) 2401.02840
Search for the $e^+ e^{\mathstrut -} \to \eta_b(1S)\omega$ and $e^+ e^{\mathstrut -} \to \chi_{b0}(1P)\omega$ processes at $\sqrt{s} = 10.745$ GeV QQBAR @ Roman Mizuk, Pavel Oskin Phys.Rev.D 109, 072013 (2024) 2312.13043
Evidence for $B^+ \to K^+ \nu \bar{\nu}$ decays EWP @ Claudia Cecchi, Jacopo Cerasoli, Filippo Dattola, Giulio Dujany, Yulan Fan, Eldar Ganiev, Alexander Glazov, Yubo Han, Elisa Manoni, Lucas Martel, Stefano Moneta, Cyrille Praz, Isabelle Ripp-Baudot, Slavomira Stefkova, Roberta Volpe Phys.Rev.D 109, 112006 (2024) 2311.14647
First measurement of $R(X_{\tau/\ell})$ as an inclusive test of the $b \to c \tau \nu$ anomaly SLME @ Florian Bernlochner, Jochen Dingfelder, Henrik Junkerkalefeld, Peter Lewis, Marco Milesi, Paolo Rocchetti, Phillip Urquijo Phys.Rev.Lett. 132, 211804 (2024) 2311.07248
Measurement of branching fractions and direct $CP$ asymmetries for $B \to K \pi$ and $B \to \pi \pi$ decays at Belle II BHAD @ Shu-Ping Lin, Justin Skorupa, Benedikt Wach Phys.Rev.D 109, 012001 (2024) 2310.06381
Determination of $|V_{cb}|$ using $\bar{B}{}^0 \to D^{*+} \ell^{\mathstrut -} \bar{\nu}{}_{\ell}$ decays with Belle II SLME @ Florian Bernlochner, Lu Cao, Chaoyi Lyu, Christoph Schwanda Phys.Rev.D 108, 092013 (2023) 2310.01170
Measurement of branching-fraction ratios and $CP$ asymmetries in $B^{\pm} \to D_{CP\pm} K^{\pm}$ decays at Belle and Belle II BHAD @ Tao Luo, Karim Trabelsi, Yi Zhang JHEP 05, 212 (2024) 2308.05048
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