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K. Hayasaka

0000-0002-6347-433X
hep-exhep-phElementary Particlesphysics.ins-detQuantum TheoryModels, Theoreticalnucl-exphysics.acc-pheess.SPElementary Particle Interactions

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W_6nkzdk5z·v1 · currentpublished
Measurements of the branching fractions of Λc+→ΛK+π0Λ_c^+\toΛK^+ π^0 and Λc+→ΛK+ηΛ_c^+\toΛK^+ η decays at Belle and Belle II
with Belle, Belle II Collaborations, :, M. Abumusabh +399
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Preprints & journals

473 papers in the corpus · 1994–2026
Test of lepton flavor universality with Bˉ→D(∗)τ−νˉτ\bar{B} \rightarrow D^{(*)} \tau^{-} \bar{\nu}_{\tau} and Bˉ→D(∗)ℓ−νˉℓ\bar{B} \rightarrow D^{(*)} \ell^{-} \bar{\nu}_{\ell} decays at Belle II2609.21947v1 · M. Abumusabh, I. Adachi, K. Adamczyk et al.2026 · 0 citationsarXiv
Search for the lepton-flavor-violating decay $ \tau^{\pm} \to \mu^{\pm} \gamma$ at Belle II2608.23009v1 · M. Abumusabh, I. Adachi, A. Aggarwal et al.2026 · 0 citationsarXiv
First evidence of X(3872)→π0χc0(1P)X(3872)\to\pi^0\chi_{c0}(1P) and search for X(3915)→π0χc1(1P)X(3915)\to\pi^0\chi_{c1}(1P)2606.24578v1 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2026 · 0 citationsarXiv
Measurement of mixing-induced CP violation in the decay B0→π0π0B^0 \to \pi^0 \pi^02606.20797v1 · M. Abumusabh, I. Adachi, K. Adamczyk et al.2026 · 0 citationsarXiv
Observation of the decays B+→Σc(2455)++Ξˉc′−B^{+} \to \Sigma_{c}(2455)^{++} \bar{\Xi}_{c}^{\prime-} and B0→Σc(2455)0Ξˉc′0B^{0} \to \Sigma_{c}(2455)^{0} \bar{\Xi}_{c}^{\prime0}2606.12905v2 · Belle, Belle II Collaborations: M. Abumusabh, A. Aggarwal et al.2026 · 0 citationsPhysical Review D 114, 052016 (2026)
Measurement of time-dependent CPCP violation parameters in B0→KS0π0γB^{0} \to K_{S}^{0} \pi^{0} \gamma decays at Belle and Belle II2606.04496v2 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2026 · 0 citationsJHEP 09 (2026) 216
Search for Ξ0p\Xi^0p, Ω−p\Omega^- p, and Ω−n\Omega^- n dibaryons in Υ(1S)\Upsilon(1S) and Υ(2S)\Upsilon(2S) decays at Belle2605.29778v2 · Belle, Belle II Collaborations: M. Abumusabh, I. Adachi et al.2026 · 0 citationsarXiv
Improved measurement of Born cross sections for χbJ ω\chi_{bJ}\,\omega and χbJ (π+π−π0)non−ω\chi_{bJ}\,(\pi^+\pi^-\pi^0)_{\rm non-\omega} (JJ = 0, 1, 2) at Belle and Belle II2510.25461v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 0 citationsJHEP04(2026)101
Search for B^0→K^*0τ^+τ^- Decays at the Belle II Experiment.41138105 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2025 · 3 citationsPhysical review letters. 2025;135(15):151801
Search for a Dark Higgs Boson Produced in Association with Inelastic Dark Matter at the Belle II Experiment.41076698 · Adachi, I, Aggarwal, L, Ahmed, H et al.2025 · 4 citationsPhysical review letters. 2025;135(13):131801
Study of χ_bJ(2P)→ωϒ(1S) at Belle.41046385 · Stottler, Z S, Pedlar, T K, Fulsom, B G et al.2025 · 2 citationsPhysical review letters. 2025;135(12):121902
Search for Lepton-Flavor-Violating Decay Modes B^0→K_S^0τ^±ℓ^∓ with Hadronic B Tagging at Belle and Belle II.40794050 · Adachi, I, Adamczyk, K, Aggarwal, L et al.2025 · 1 citationPhysical review letters. 2025;135(4):041801
Search for P_cc[over ¯]s(4459)^0 and P_cc[over ¯]s(4338)^0 in ϒ(1S,2S) Inclusive Decays at Belle.40794057 · Adachi, I, Aggarwal, L, Ahmed, H et al.2025 · 13 citationsPhysical review letters. 2025;135(4):041901
Search for the lepton-flavor-violating τ−→e∓ℓ±ℓ∓\tau^{-} \rightarrow e^{\mp} \ell^{\pm} \ell^{\mp} decays at Belle II2507.18236v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2025 · 2 citationsarXiv
Measurement of the $ D^0\rightarrow K^-\pi^+e^+e^- $ branching fraction and search for $ D^0\rightarrow \pi^+\pi^-e^+e^- $ and $D^0\rightarrow K^+K^-e^+e^- $ decays at Belle2507.05050v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 1 citationPhys. Rev. D 112, L071101 (2025)
Search for an Axion-Like Particle in B→K(∗)a(→γγ)B\rightarrow K^{(*)} a (\rightarrow\gamma\gamma) Decays at Belle2507.01249v4 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 1 citationJ. High Energ. Phys. 2025, 109 (2025)
Acceleration of Positive Muons by a Radio-Frequency Cavity.40742947 · Aritome, S, Futatsukawa, K, Hara, H et al.2025 · 7 citationsPhysical review letters. 2025;134(24):245001
Charged-hadron identification at Belle II2506.04355v3 · I. Adachi, H. Ahmed, Y. Ahn et al.2025 · 13 citationsarXiv
Search for lepton-flavor-violating τ−→ℓ−Ks0\tau^- \to \ell^- K_s^0 decays at Belle and Belle II2504.15745v1 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 1 citationJ. High Energ. Phys. 2025, 92 (2025)
Test of lepton flavor universality with measurements of R(D+)R(D^{+}) and R(D∗+)R(D^{*+}) using semileptonic BB tagging at the Belle II experiment2504.11220v3 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2025 · 6 citationsPhys. Rev. D 112, 032010 (2025)
Search for lepton-flavor-violating tau decays to ℓα\ell\alpha at Belle2503.22195v3 · K. Uno, K. Hayasaka, K. Inami et al.2025 · 0 citationsarXiv
HFLAV input to the 2026 update of the European Strategy for Particle Physics2503.21570v1 · F. Archilli, Sw. Banerjee, E. Ben-Haim et al.2025 · 0 citationsarXiv
Measurements of the branching fractions of Ξc+→Σ+KS0\Xi_{c}^{+}\to \Sigma^{+}K_{S}^{0}, Ξc+→Ξ0π+\Xi_{c}^{+}\to \Xi^{0}\pi^{+}, and Ξc+→Ξ0K+\Xi_{c}^{+}\to \Xi^{0}K^{+} at Belle and Belle II2503.17643v2 · Belle, Belle II Collaborations: I. Adachi, J. K. Ahn et al.2025 · 0 citationsJHEP08(2025)195
Measurement of the Branching Fraction of Λc+→pKS0π0\Lambda_c^+ \to p K_S^0 \pi^0 at Belle2503.04371v2 · The Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2025 · 0 citationsarXiv
Measurement of CP Asymmetries in B^0→K_S^0π^0γ Decays at Belle II.39913692 · Adachi, I, Aggarwal, L, Ahmed, H et al.2025 · 2 citationsPhysical review letters. 2025;134(1):011802
Evidence of h_b(2P)→ϒ(1S)η Decay and Search for h_b(1P,2P)→ϒ(1S)π^0 with the Belle Detector.39879008 · Kovalenko, E, Adachi, I, Aihara, H et al.2025 · 1 citationPhysical review letters. 2024;133(26):261901
Measurement of the branching fraction, polarization, and time-dependent CPCP asymmetry in B0→ρ+ρ−B^0 \to \rho^+\rho^- decays and constraint on the CKM angle ϕ2\phi_22412.19624v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 0 citationsPhys. Rev. D 111, 092001, 2025
Measurement of the branching fraction and CP\it CP-violating asymmetry of the decay B0→π0π0B^{0} \rightarrow \pi^{0} \pi^{0} using 387387 million bottom-antibottom meson pairs in Belle II data2412.14260v1 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 1 citationarXiv
Observation of the decay B0→J/ψωB^0 \to J/\psi \omega at Belle II2412.12338v3 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 2 citationsPhys. Rev. D 111, 032012 (2025)
Measurement of the inclusive branching fractions for Bs0B_s^0 decays into DD mesons via hadronic tagging2411.14032v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 1 citationarXiv
Measurement of B→K∗(892)γB \to K{}^{*}(892)\gamma decays at Belle II2411.10127v3 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 1 citationJHEP 09 (2025) 024
Measurement of the time-integrated CP asymmetry in D0→KS0KS0D^{0}\rightarrow K^{0}_{S}K^{0}_{S} decays using Belle and Belle II data2411.00306v4 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 3 citationsPhys. Rev. D 111, 012015 (2025)
Search for hb(2P)→γχbJ(1P)h_b(2P)\to\gamma\chi_{bJ}(1P) at s=10.860\sqrt{s} = 10.860 GeV2410.16181v1 · A. Boschetti, R. Mussa, U. Tamponi et al.2024 · 0 citationsPhys. Rev. D 111 (2025) 1, L011102
Search for Rare b→dℓ^+ℓ^- Transitions at Belle.39303229 · Adachi, I, Aggarwal, L, Aihara, H et al.2024 · 8 citationsPhysical review letters. 2024;133(10):101804
Measurements of the Branching Fraction, Polarization, and CP Asymmetry for the Decay B^0→ωω.39241732 · Guan, Y, Schwartz, A J, Kinoshita, K et al.2024 · 0 citationsPhysical review letters. 2024;133(8):081801
Search for Baryon-Number-Violating Processes in B^- Decays to the Ξ[over ¯]_c^0Λ[over ¯]_c^- Final State.39213574 · Gu, T, Savinov, V, Adachi, I et al.2024 · 0 citationsPhysical review letters. 2024;133(7):071802
Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment2407.00965v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 26 citationsChin. Phys. C 49, 013001 (2025)
The Belle II Detector Upgrades Framework Conceptual Design Report2406.19421v2 · H. Aihara, A. Aloisio, D. P. Auguste et al.2024 · 8 citationsarXiv
Measurement of the branching fractions of Bˉ→D(∗)K−K(S)(∗)0\bar{B}\to D^{(*)} K^- K^{(*)0}_{(S)} and Bˉ→D(∗)Ds−\bar{B}\to D^{(*)}D_s^{-} decays at Belle II2406.06277v4 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 3 citationsJ. High Energ. Phys. 08 (2024) 206
Measurements of the branching fractions of Ξc0→Ξ0π0\Xi_{c}^{0}\to\Xi^{0}\pi^{0}, Ξc0→Ξ0η\Xi_{c}^{0}\to\Xi^{0}\eta, and Ξc0→Ξ0η′\Xi_{c}^{0}\to\Xi^{0}\eta^{\prime} and asymmetry parameter of Ξc0→Ξ0π0\Xi_{c}^{0}\to\Xi^{0}\pi^{0}2406.04642v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 8 citationsJHEP10(2024)045
Search for the decay B0→γγB^{0}\to\gamma\gamma using Belle and Belle II data2405.19734v2 · Belle, Belle II Collaborations: I. Adachi, L. Aggarwal et al.2024 · 4 citationsPhys. Rev. D 110, L031106 (2024)
Test of light-lepton universality in τ\tau decays with the Belle II experiment2405.14625v2 · I. Adachi, K. Adamczyk, L. Aggarwal et al.2024 · 2 citationsJournal of High Energy Physics 08 (2024) 205
Search for lepton-flavor-violating τ−→μ−μ+μ−\tau^- \to \mu^-\mu^+\mu^- decays at Belle II2405.07386v2 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 8 citationsJ. High Energ. Phys. 2024, 62 (2024).
Measurement of the branching fraction of the decay B−→D0ρ(770)−B^- \to D^0 \rho(770)^- at Belle II2404.10874v2 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 3 citationsPhys. Rev. D 109, L111103 (2024)
Measurement of the e+e−→π+π−π0e^+e^- \to \pi^+\pi^-\pi^0 cross section in the energy range 0.62-3.50 GeV at Belle II2404.04915v2 · I. Adachi, L. Aggarwal, H. Aihara et al.2024 · 8 citationsPhys. Rev. D 110 (2024) 112005
Angular analysis of B→K∗e+e−B \to K^* e^+ e^- in the low-q2q^2 region with new electron identification at Belle2404.00201v3 · D. Ferlewicz, P. Urquijo, I. Adachi et al.2024 · 2 citationsarXiv
Measurement of CPCP asymmetries in B0→KS0KS0KS0B^0 \rightarrow K^0_S K^0_S K^0_S decays at Belle II2403.02590v1 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 0 citationsarXiv
New graph-neural-network flavor tagger for Belle II and measurement of sin⁡2ϕ1\sin2\phi_1 in B0→J/ψKS0B^0 \to J/\psi K^0_\text{S} decays2402.17260v2 · I. Adachi, L. Aggarwal, H. Ahmed et al.2024 · 13 citationsPhys. Rev. D 110, 012001, 2024
Search for a heavy neutral lepton that mixes predominantly with the tau neutrino2402.02580v3 · M. Nayak, S. Dey, A. Soffer et al.2024 · 4 citationsPhys.Rev.D 109 (2024) 11, L111102
Search for Baryon-Number-Violating Processes in B−B^- Decays to the Ξˉc0Λˉc−\bar{\Xi}_{c}^{0} \bar{\Lambda}_{c}^{-} Final State2401.04807v2 · T. Gu, V. Savinov, I. Adachi et al.2024 · 0 citationsarXiv
Career total: at least 975 works. 473 are in this corpus.Showing the 50 most recent.

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