H. Tanigawa

activity

20192025

most citedSearch for Axion-Like Particles produced in

e^{+} e^{-}

collisions at Belle II

99 citations · 460 across the 50 of their papers we have counts for

collaborators

57 papers

physics.ins-det2025★ 2 cited

Introducing a Markov Chain-Based Time Calibration Procedure for Multi-Channel Particle Detectors: Application to the SuperFGD and ToF Detectors of the T2K Experiment

S. Abe, H. Alarakia-Charles, I. Alekseev +190

Inter-channel mis-synchronisation can be a limiting factor to the time resolution of high performance timing detectors with multiple readout channels and independent electronics un…

hep-ex2025

Measurement of muon neutrino induced charged current interactions without charged pions in the final state using a new T2K off-axis near detector WAGASCI-BabyMIND

K. Abe, S. Abe, R. Akutsu +398

We report a flux-integrated cross section measurement of muon neutrino interactions on water and hydrocarbon via charged current reactions without charged pions in the final state…

hep-ex2025

Testing T2K's Bayesian constraints with priors in alternate parameterisations

The T2K Collaboration, K. Abe, S. Abe +400

Bayesian analysis results require a choice of prior distribution. In long-baseline neutrino oscillation physics, the usual parameterisation of the mixing matrix induces a prior tha…

hep-ex2025★ 1 cited

Results from the T2K experiment on neutrino mixing including a new far detector $μ$ -like sample

The T2K Collaboration, K. Abe, S. Abe +404

We have made improved measurements of three-flavor neutrino mixing with 19.7(16.3) $\times 1 0^{20}$ protons on target in (anti-)neutrino-enhanced beam modes. A new sample of muon-ne…

hep-ex2025

First measurement of neutron capture multiplicity in neutrino-oxygen neutral-current quasi-elastic-like interactions using an accelerator neutrino beam

T2K Collaboration, K. Abe, S. Abe +334

We report the first measurement of neutron capture multiplicity in neutrino-oxygen neutral-current quasi-elastic-like interactions at the gadolinium-loaded Super-Kamiokande detecto…

hep-ex2025

First Measurement of the Electron Neutrino Charged-Current Pion Production Cross Section on Carbon with the T2K Near Detector

K. Abe, S. Abe, R. Akutsu +392

The T2K Collaboration presents the first measurement of electron neutrino-induced charged-current pion production on carbon in a restricted kinematical phase space. This is perform…

hep-ex2025

First differential measurement of the single $π^{+}$ production cross section in neutrino neutral-current scattering

K. Abe, S. Abe, R. Akutsu +378

Since its first observation in the 1970s, neutrino-induced neutral-current single positive pion production (NC1 $π^{+}$ ) has remained an elusive and poorly understood interaction chan…

hep-ex2025★ 2 cited

Signal selection and model-independent extraction of the neutrino neutral-current single $π^{+}$ cross section with the T2K experiment

K. Abe, S. Abe, R. Akutsu +378

This article presents a study of single $π^{+}$ production in neutrino neutral-current interactions (NC1 $π^{+}$ ) using the FGD1 hydrocarbon target of the ND280 detector of the T2K expe…

hep-ex2024★ 1 cited

Characterization of the optical model of the T2K 3D segmented plastic scintillator detector

S. Abe, I. Alekseev, T. Arai +128

The magnetised near detector (ND280) of the T2K long-baseline neutrino oscillation experiment has been recently upgraded aiming to satisfy the requirement of reducing the systemati…

hep-ex2024

First joint oscillation analysis of Super-Kamiokande atmospheric and T2K accelerator neutrino data

Super-Kamiokande, T2K collaborations, : +545

The Super-Kamiokande and T2K collaborations present a joint measurement of neutrino oscillation parameters from their atmospheric and beam neutrino data. It uses a common interacti…

hep-ex2024

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +450

We report a measurement of decay-time dependent charge-parity ( $C P$ ) asymmetries in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ decays. We use $387 \times 1 0^{6} B B ˉ$ pairs collected at…

hep-ex2024★ 4 cited

Silicon Vertex Detector of the Belle II Experiment

S. Mondal, K. Adamczyk, L. Aggarwal +72

The silicon vertex detector (SVD) is installed at the heart of the Belle II experiment, taking data at the high-luminosity $B$ -Factory SuperKEKB since 2019. The detector has shown…

hep-ex2023★ 8 cited

Measurement of branching fractions and direct $C P$ asymmetries for $B \to K π$ and $B \to π π$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +435

We report measurements of the branching fractions and direct $CP$ asymmetries of the decays $B^{0} \to K^{+} π^{-}$ , $B^{+} \to K^{+} π^{0}$ , $B^{+} \to K^{0} π^{+}$ , and $B^{0} \to K^{0} π^{0}$ , and…

hep-ex2023

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} ϕ$ decays in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +575

We report a search for lepton-flavor-violating decays $τ^{-} \to ℓ^{-} ϕ$ ( $ℓ^{-} = e^{-}, μ^{-}$ ) at the Belle II experiment, using a sample of electron-positron data produced at the Su…

hep-ex2023★ 2 cited

Observation of $B \to D^{(*)} K^{-} K_{S}^{0}$ decays using the 2019-2022 Belle II data sample

Belle II Collaboration, F. Abudinén, I. Adachi +575

We present a measurement of the branching fractions of four $B^{0, -} \to D^{(*) +, 0} K^{-} K_{S}^{0}$ decay modes. The measurement is based on data from SuperKEKB electron-positron colli…

hep-ex2023★ 6 cited

Measurement of the branching fraction and $CP$ asymmetry of $B^{0} \to π^{0} π^{0}$ decays using $198 \times 1 0^{6}$ $B B$ pairs in Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +425

We report measurements of the branching fraction and $CP$ asymmetry in $B^{0} \to π^{0} π^{0}$ decays reconstructed at Belle II in an electron-positron collision sample contain…

hep-ex2023★ 10 cited

Measurement of the $B^{0}$ lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +393

We measure the $B^{0}$ lifetime and flavor-oscillation frequency using $B^{0} \to D^{(*) -} π^{+}$ decays collected by the Belle II experiment in asymmetric-energy $e^{+} e^{-}$ collisions produ…

hep-ex2023★ 10 cited

Measurement of decay-time-dependent $CP$ violation in $B^{0} \to J / ψ K_{S}^{0}$ decays using 2019-2021 Belle II data

Belle II Collaboration, I. Adachi, L. Aggarwal +392

We report a measurement of the mixing-induced and direct $CP$ violation parameters $S_{CP}$ and $A_{CP}$ from $B^{0} \to J / ψ K_{S}^{0}$ decays reconstructed by the…

hep-ex2023★ 24 cited

Measured and projected beam backgrounds in the Belle II experiment at the SuperKEKB collider

A. Natochii, T. E. Browder, L. Cao +43

The Belle II experiment at the SuperKEKB electron-positron collider aims to collect an unprecedented data set of $50 ab^{- 1}$ to study $C P$ -violation in the $B$ -meson system…

hep-ex2022★ 21 cited

Search for an invisible $Z^{'}$ in a final state with two muons and missing energy at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +385

The $L_{μ} - L_{τ}$ extension of the standard model predicts the existence of a lepton-flavor-universality-violating $Z^{'}$ boson that couples only to the heavier lepton families.…

physics.ins-det2022★ 4 cited

Measurement of the cluster position resolution of the Belle II Silicon Vertex Detector

R. Leboucher, K. Adamczyk, L. Aggarwal +78

The Silicon Vertex Detector (SVD), with its four double-sided silicon strip sensor layers, is one of the two vertex sub-detectors of Belle II operating at SuperKEKB collider (KEK,…

hep-ex2022★ 24 cited

Observation of $e^{+} e^{-} \to ω χ_{b J} (1 P)$ and search for $X_{b} \to ω Υ (1 S)$ at $s$ near 10.75 GeV

Belle II collaboration, I. Adachi, L. Aggarwal +348

We study the processes $e^{+} e^{-} \to ω χ_{b J} (1 P)$ ( $J$ = 0, 1, or 2) using samples at center-of-mass energies $s$ = 10.701, 10.745, and 10.805 GeV, corresponding to 1.6, 9.8, an…

hep-ex2022★ 12 cited

Measurement of the $Ω_{c}^{0}$ lifetime at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +353

We report on a measurement of the $Ω_{c}^{0}$ lifetime using $Ω_{c}^{0} \to Ω^{-} π^{+}$ decays reconstructed in $e^{+} e^{-} \to c c ˉ$ data collected by the Belle II experiment and corresponding…

hep-ex2022★ 19 cited

Search for a dark photon and an invisible dark Higgs boson in $μ^{+} μ^{-}$ and missing energy final states with the Belle II experiment

Belle II Collaboration, F. Abudinén, I. Adachi +357

The dark photon $A^{'}$ and the dark Higgs boson $h^{'}$ are hypothetical particles predicted in many dark sector models. We search for the simultaneous production of $A^\pri…

Introducing a Markov Chain-Based Time Calibration Procedure for Multi-Channel Particle Detectors: Application to the SuperFGD and ToF Detectors of the T2K Experiment

Measurement of muon neutrino induced charged current interactions without charged pions in the final state using a new T2K off-axis near detector WAGASCI-BabyMIND

Testing T2K's Bayesian constraints with priors in alternate parameterisations

Results from the T2K experiment on neutrino mixing including a new far detector μ-like sample

First measurement of neutron capture multiplicity in neutrino-oxygen neutral-current quasi-elastic-like interactions using an accelerator neutrino beam

First Measurement of the Electron Neutrino Charged-Current Pion Production Cross Section on Carbon with the T2K Near Detector

First differential measurement of the single π+ production cross section in neutrino neutral-current scattering

Signal selection and model-independent extraction of the neutrino neutral-current single π+ cross section with the T2K experiment

Characterization of the optical model of the T2K 3D segmented plastic scintillator detector

First joint oscillation analysis of Super-Kamiokande atmospheric and T2K accelerator neutrino data

Measurement of CP asymmetries in B0→KS0​KS0​KS0​ decays at Belle II

Silicon Vertex Detector of the Belle II Experiment

Measurement of branching fractions and direct CP asymmetries for B→Kπ and B→ππ decays at Belle II

Search for lepton-flavor-violating τ−→ℓ−ϕ decays in 2019-2021 Belle II data

Observation of B→D(∗)K−KS0​ decays using the 2019-2022 Belle II data sample

Measurement of the branching fraction and CP asymmetry of B0→π0π0 decays using 198×106 BB pairs in Belle II data

Measurement of the B0 lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019-2021 Belle II data

Measurement of decay-time-dependent CP violation in B0→J/ψKS0​ decays using 2019-2021 Belle II data

Measured and projected beam backgrounds in the Belle II experiment at the SuperKEKB collider

Search for an invisible Z′ in a final state with two muons and missing energy at Belle II

Measurement of the cluster position resolution of the Belle II Silicon Vertex Detector

Observation of e+e−→ωχbJ​(1P) and search for Xb​→ωΥ(1S) at s​ near 10.75 GeV

Measurement of the Ωc0​ lifetime at Belle II

Search for a dark photon and an invisible dark Higgs boson in μ+μ− and missing energy final states with the Belle II experiment

Results from the T2K experiment on neutrino mixing including a new far detector $μ$ -like sample

First differential measurement of the single $π^{+}$ production cross section in neutrino neutral-current scattering

Signal selection and model-independent extraction of the neutrino neutral-current single $π^{+}$ cross section with the T2K experiment

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ decays at Belle II

Measurement of branching fractions and direct $C P$ asymmetries for $B \to K π$ and $B \to π π$ decays at Belle II

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} ϕ$ decays in 2019-2021 Belle II data

Observation of $B \to D^{(*)} K^{-} K_{S}^{0}$ decays using the 2019-2022 Belle II data sample

Measurement of the branching fraction and $CP$ asymmetry of $B^{0} \to π^{0} π^{0}$ decays using $198 \times 1 0^{6}$ $B B$ pairs in Belle II data

Measurement of the $B^{0}$ lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019-2021 Belle II data

Measurement of decay-time-dependent $CP$ violation in $B^{0} \to J / ψ K_{S}^{0}$ decays using 2019-2021 Belle II data

Search for an invisible $Z^{'}$ in a final state with two muons and missing energy at Belle II

Observation of $e^{+} e^{-} \to ω χ_{b J} (1 P)$ and search for $X_{b} \to ω Υ (1 S)$ at $s$ near 10.75 GeV

Measurement of the $Ω_{c}^{0}$ lifetime at Belle II

Search for a dark photon and an invisible dark Higgs boson in $μ^{+} μ^{-}$ and missing energy final states with the Belle II experiment