成果 計画研究：B05 実験班
電子陽電子加速器によるダークマター探索
I. Adachi et. al. (Belle II Collaboration)、“Search for rare b→dℓ+ℓ− transitions at Belle”、Phys. Rev. Lett. 133, 101804、2024.09、10.1103/PhysRevLett.133.101804、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Search for lepton flavour violating decay τ−→μ+μ−μ− decays in Belle II data”、JHEP 09 (2024) 062、2024.09、10.1007/JHEP09(2024)062、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Test of light-lepton universality in τ decays with Belle II”、JHEP 08 (2024) 205、2024.08、10.1007/JHEP08(2024)205、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Measurement of the branching fractions of ¯B→D(∗)K−K(∗)0(S) and ¯B→D(∗)D−s decays at Belle II”、JHEP 08 (2024) 206、2024.08、10.1007/JHEP08(2024)206、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Search for the decay B0→γγ using combined data of Belle and Belle II”、Phys. Rev. D 110, L031106、2024.08、10.1103/PhysRevD.110.L031106、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“New graph-neural-network flavor tagger for Belle II and measurement of sin 2𝜙1 in 𝐵0→𝐽/𝜓𝐾0S decays”、Phys. Rev. D 110, 012001、2024.07、10.1103/PhysRevD.110.012001、査読有、国際共著
M.Nayak et. al.(Belle collaboration)、“Search for a heavy neutral lepton that mixes predominantly with the tau neutrino”、Phys. Rev. D 109, L111102、2024.06、10.1103/PhysRevD.109.L111102、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Measurement of CP asymmetries in B0→K0SK0SK0S decays at Belle II”、Phys. Rev. D 109, 112020、2024.06、10.1103/PhysRevD.109.112020、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Search for a μ+μ− resonance in four-muon final states at Belle II”、Phys. Rev. D 109, 112015、2024.06、10.1103/PhysRevD.109.112015、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Measurement of the branching fraction of the decay B−→D0ρ(770)− at Belle II”、Phys. Rev. D 109, L111103、2024.06、10.1103/PhysRevD.109.L111103、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“First Measurement of R(Xτ/ℓ) as an Inclusive Test of the b→cτν Anomaly”、Phys. Rev. Lett. 132, 211804、2024.05、10.1103/PhysRevLett.132.211804、査読有、国際共著
2023年度
D. Biswas et. al.(Belle collaboration)、“Search for a dark leptophilic scalar produced in association with τ+τ− pair in e+e− annihilation at center-of-mass energies near 10.58 GeV”、Phys.Rev.D 109, 032002、2024.02、10.1103/PhysRevD.109.032002、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Search for a long-lived spin-0 mediator in b→s transitions at the Belle II experiment”、Phys.Rev.D 108, 111104、2023.12、10.1103/PhysRevD.108.L111104、査読有、国際共著
D. Liventsev et. al.(Belle collaboration)、“Search for heavy neutrino in τ decays at Belle”、Phys.Rev.Lett. 131, 211802 (2023)、2023.11、10.1103/PhysRevLett.131.211802、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Search for a τ+τ− resonance in e+e−→μ+μ−τ+τ− events with the Belle II Experiment”、Phys.Rev.Lett 131, 121802 (2023),2023.09、10.1103/PhysRevLett.131.121802、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Measurement of CP asymmetries and branching-fraction ratios for B±→DK± and Dπ± with D→K0SK±π∓ using Belle and Belle II data”、JHEP 09 (2023) 146、2023.09、10.1007/JHEP09(2023)146、査読有、国際共著
I. Adachi et. al. (Belle II Collaboration)、“Search for a τ+τ− resonance in e+e−→μ+μ−τ+τ− events with the Belle II Experiment”、Phys.Rev.Lett. 130, 231801、2023.06、10.1103/PhysRevLett.130.231801、査読有、国際共著
F. Abudinen et. al. (Belle II Collaboration) 、“Search for a Dark Photon and an Invisible Dark Higgs Boson in mu+mu- and Missing Energy Final States with the Belle II Experiment”、Phys. Rev. Lett. 130 071804、2023.2、10.1103/PhysRevLett.130.071804、査読有、国際共著
2022年度
I. Adachi et. al. (Belle II Collaboration) 、“Search for Lepton-Flavor-Violating τ Decays to a Lepton and an Invisible Boson at Belle II”、Phys.Rev.Lett. 130 (2023) 18, 181803、2023.5、10.1103/PhysRevLett.130.181803、査読有、国際共著
T. Czank et. al. (Belle Collaboration) 、“Search for Z′→μ+μ− in the Lμ−Lτ gauge-symmetric model at Belle”、Phys. Rev. D 106, 012003、2022、10.1103/PhysRevD.106.012003、査読有、国際共著
C. Hadjivasiliou et al. (Belle Collaboration) 、“Search for B0 meson decays into Λ and missing energy with a hadronic tagging method at Belle”、Phys. Rev. D 105, L051101、2022、10.1103/PhysRevD.105.L051101、査読有、国際共著
S. Jia et. al. (Belle Collaboration) 、“Search for a Light Higgs Boson in Single-Photon Decays of Υ(1S) Using Υ(2S)→π+π−Υ(1S) Tagging Method”、Phys. Rev. Lett. 128, 081804、2022、10.1103/PhysRevLett.128.081804、査読有、国際共著
2021年度
S.-H. Park et. al. (Belle Collaboration)、“Search for the dark photon in B0→ A′ A′, A′ → e+ e-, μ+ μ-, and π+ π- decays at Belle”、JHEP 04 (2021) 191、2021、10.1007/JHEP04(2021)191、査読有、国際共著
2020年度
F. Abudinen et. al. (Belle II Collaboration)、“Search for Axion-Like Particles produced in e+e- collisions at Belle II”、Phys. Rev. Lett. 125, 161806、2020、10.1103/PhysRevLett.125.161806、査読有、国際共著
Sourav Dey、“Exploring the Dark Side of the Universe Tools 2024 - 5th World Summit”、Search for a heavy neutral lepton that mixes predominantly with the tau neutrino、2024.06、国際会議、招待
2023年度
Sourav Dey、“Dark sector searches with tau-pair events at Belle and Belle II”、Dark sector searches with tau-pair events at Belle and Belle II、2023.12、国際会議、招待
Sourav Dey、“Search for a heavy neutral lepton that mixes predominantly with the tau neutrino”、International Conference on High Energy Particle & Astroparticle Physics (ICHEPAP2023)、2023.12、国際会議
Akimasa Ishikawa、“Belle IIでの軽い新粒子探索”、Aso Workshop on Particle Physics and Cosmology、2023.11、招待
Shohei Nishida、“Quark Flavor Physics Experiments: CP Violation”、ICFA Seminar 2023、2023.11、国際会議、招待
Thomas Czank、“Dark matter search at Belle”、3rd DMNet international symposium、2023.09、招待
Kenta Uno、“Recent tau-lepton results at Belle and Belle II”、EPS-HEP2023、2023.08、国際会議
2022年度
Haruki Kindo 、“Latest dark sector results from e+ e- colliders”、ALpine Particle physics Symposium (ALPS 2023)、2023.3、国際会議、招待
Shohei Nishida 、“Flavor Physics and the Belle II Experiment”、International Conference on the Physics of the Two Infinities、2023.3、国際会議、招待
Koji Hara 、“LFU measurements in semileptonic b -> clnu decays”、14th Conference on the Intersections of Particle and Nuclear Physics (CIPANP 2022)、2022.9、国際会議、招待
Shohei Nishida 、“Dark Matter Search with Accelerators”、DM3 Workshop、2022.9、招待
Shintaro Ito 、“Belle II実験による未知粒子の直接探索が解き明かす新物理の世界”、日本物理学会、2022.9
Shohei Nishida、“Recent Results from the Belle II experiment”、Large Hadron Collider Physics Conference、2022.5、国際会議、招待
2021年度
Shintaro Ito、“Belle-II実験におけるheavy QCD axionを伴ったB+ → K+ a崩壊の探索”、日本物理学会、2022.3
Shohei Nishida、“Dark Matter Search at Belle and Belle II”、Kashiwa Dark Matter Symposium 2021、2021.11、国際会議
Thomas Czank、“Latest dark sector results of Belle”、Anomalies and Precision in the Belle II Era Workshop、2021.9、国際会議、招待
Shintaro Ito、“ダークマター探索”、Flavor Physics Workshop 2021、2021.9、招待
2020年度
Thomas Czank、“Search for muonic dark Z”、Rencontres de Moriond Electroweak Interactions and Unified Theories (Moriond EW)、2021.3、国際会議、招待
