Y. Sato

activity

19962022

e^{+} e^{-} \to π^{+} π^{-} J / ψ

and Observation of a Charged Charmonium-like State at Belle

739 citations · 5.7k across the 87 of their papers we have counts for

collaborators

88 papers

hep-ex2022★ 2 cited

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to ρ^{+} ρ^{-}$ Decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +584

We present a measurement of the branching fraction and longitudinal polarization of $B^{0} \to ρ^{+} ρ^{-}$ decays. SuperKEKB electron-positron collision data corresponding to 189~fb$^{-…

hep-ex2022

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / ψ K$ decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +591

We report a study of $B \to J / ψ (ℓ^{+} ℓ^{-}) K$ decays, where $ℓ$ represents an electron or a muon, using $e^{+} e^{-}$ collisions at the $Υ (4 S)$ resonance. The data were col…

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…

hep-ex2022★ 1 cited

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} π^{0}$ at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +590

We report measurements of the branching fraction ( $B$ ) and direct $C P$ -violating asymmetry ( $A_{C P}$ ) of the charmless decay $B^{0} \to K^{0} π^{0}$ at Belle II. A sample of…

hep-ex2022★ 1 cited

Study of Exclusive $B \to π e^{+} ν_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. Abudinén, I. Adachi +590

We present a reconstruction of the semileptonic decays $B^{0} \to π^{-} e^{+} ν_{e}$ and $B^{+} \to π^{0} e^{+} ν_{e}$ in a sample corresponding to 189.3 fb $^{- 1}$ of Belle II data, using events w…

hep-ex2022★ 4 cited

Measurement of the branching fraction for the decay $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +590

We report a measurement of the branching fraction of $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ decays, where $ℓ^{+} ℓ^{-} = μ^{+} μ^{-}$ or $e^{+} e^{-}$ , using electron-positron collisions recorde…

hep-ex2021

Combined analysis of Belle and Belle II data to determine the CKM angle $ϕ_{3}$ using $B^{+} \to D (K_{S}^{0} h^{-} h^{+}) h^{+}$ decays

Belle, Belle II Collaborations, : +319

We present a measurement of the Cabibbo-Kobayashi-Maskawa unitarity triangle angle $ϕ_{3}$ (also known as~ $γ$ ) using a model-independent Dalitz plot analysis of \linebreak $B^+\t…

hep-ex2021★ 11 cited

Punzi-loss: A non-differentiable metric approximation for sensitivity optimisation in the search for new particles

P. Feichtinger, H. Haigh, G. Inguglia +43

We present the novel implementation of a non-differentiable metric approximation and a corresponding loss-scheduling aimed at the search for new particles of unknown mass in high e…

hep-ex2021★ 11 cited

Precise measurement of the $D^{0}$ and $D^{+}$ lifetimes at Belle II

Belle II collaboration, F. Abudinén, I. Adachi +385

We report a measurement of the $D^{0}$ and $D^{+}$ lifetimes using $D^{0} \to K^{-} π^{+}$ and $D^{+} \to K^{-} π^{+} π^{+}$ decays reconstructed in $e^{+} e^{-} \to c c ˉ$ data recorded by the Belle II exp…

hep-ex2019★ 170 cited

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle

Belle Collaboration, S. Wehle, I. Adachi +179

We present a measurement of $R_{K^{*}}$ , the branching fraction ratio $B (B \to K^{*} μ^{+} μ^{-})$ / $B (B \to K^{*} e^{+} e^{-})$ , for both charged and neutral $B$ meso…

hep-ex2017★ 21 cited

Search for $B^{-} \to μ^{-} ν ˉ_{μ}$ Decays at the Belle Experiment

Belle Collaboration, A. Sibidanov, K. E. Varvell +184

We report the result of a search for the decay $B^{-} \to μ^{-} ν ˉ_{μ}$ . The signal events are selected based on the presence of a high momentum muon and the topology of the rest of…

hep-ex2017★ 31 cited

Measurements of the absolute branching fractions of $B^{+} \to X_{c c ˉ} K^{+}$ and $B^{+} \to D ˉ^{(*) 0} π^{+}$ at Belle

Y. Kato, T. Iijima, I. Adachi +183

We present the measurement of the absolute branching fractions of $B^{+} \to X_{c c ˉ} K^{+}$ and $B^{+} \to D ˉ^{(*) 0} π^{+}$ decays, using a data sample of $772\times…

hep-ex2017★ 35 cited

Production cross sections of hyperons and charmed baryons from $e^{+} e^{-}$ annihilation near $s = 10.52$ ~GeV

Belle Collaboration, M. Niiyama, M. Sumihama +167

We measure the inclusive production cross sections of hyperons and charmed baryons from $e^{+} e^{-}$ annihilation using a 800 fb $^{- 1}$ data sample taken near the $Υ (4 S)$ resonance wit…

hep-ex2017★ 9 cited

First measurement of $T$ -odd moments in $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$ decays

Belle Collaboration, K. Prasanth, J. Libby +193

We report the first measurement of the $T$ -odd moments in the decay $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$ from a data sample corresponding to an integrated luminosity of…

hep-ex2017★ 170 cited

Search for $B \to hν ν ˉ$ decays with semileptonic tagging at Belle

The Belle Collaboration, J. Grygier, P. Goldenzweig +203

We present the results of a search for the rare decays $B \to h ν ν$ , where $h$ stands for $K^{+}, K_{S}^{0}, K^{*+}, K^{* 0}, π^{+}, π^{0}, ρ^{+}$ and $ρ^{0}$ . T…

hep-ex2016

Lepton-Flavor-Dependent Angular Analysis of $B \to K^{*} ℓ^{+} ℓ^{-}$

Belle Collaboration, S. Wehle, C. Niebuhr +200

We present a measurement of angular observables and a test of lepton flavor universality in the $B \to K^{*} ℓ^{+} ℓ^{-}$ decay, where $ℓ$ is either $e$ or $μ$ . The analysis is…

hep-ex2016★ 471 cited

Measurement of the $τ$ lepton polarization and $R (D^{})$ in the decay $B ˉ \to D^{} τ^{-} ν ˉ_{τ}$

S. Hirose, T. Iijima, I. Adachi +191

We report the first measurement of the $τ$ lepton polarization $P_{τ} (D^{*})$ in the decay $B ˉ \to D^{*} τ^{-} ν ˉ_{τ}$ as well as a new measurement of the ratio of the branch…

hep-ex2016★ 14 cited

Measurement of $C P$ asymmetry in the $D^{0} \to K_{S}^{0} K_{S}^{0}$ decay at Belle

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report a measurement of the time-integrated $C P$ asymmetry in the neutral charm meson decay $D^{0} \to K_{S}^{0} K_{S}^{0}$ using 921~fb $^{- 1}$ data collected at the $Υ (4 S)$ and $Υ (5 S)$ r…

hep-ex2016

Evidence for the decay $B^{0} \to η η$

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report a search for $B^{0} \to η η$ with a data sample corresponding to an integrated luminosity of $698 fb^{- 1}$ containing $753 \times 1 0^{6}$ $B B ˉ$ pairs collected…

hep-ex2016★ 13 cited

Search for a dark vector gauge boson decaying to $π^{+} π^{-}$ using $η \to π^{+} π^{-} γ$ decays

E. Won, I. Adachi, H. Aihara +159

We report a search for a dark vector gauge boson $U^{'}$ that couples to quarks in the decay chain $D^{*+} \to D^{0} π^{+}, D^{0} \to K_{S}^{0} η, η \to U^{'} γ$ , $U^{'} \to π^{+} π^{-}$ …

hep-ex2016★ 362 cited

Measurement of the branching ratio of $B ˉ^{0} \to D^{+} τ^{-} ν ˉ_{τ}$ relative to $B ˉ^{0} \to D^{+} ℓ^{-} ν ˉ_{ℓ}$ decays with a semileptonic tagging method

Y. Sato, T. Iijima, K. Adamczyk +170

We report a measurement of the ratio $R (D^{*}) = B (B ˉ^{0} \to D^{*+} τ^{-} ν ˉ_{τ}) / B (B ˉ^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ})$ , where $ℓ$ d…

hep-ex2016★ 3 cited

Study of χ_{bJ}(1P) Properties in the Radiative Υ(2S) Decays

A. Abdesselam, I. Adachi, K. Adamczyk +444

We report a study of radiative decays of χ_{bJ}(1P)(J=0,1,2) mesons into 74 hadronic final states comprising charged and neutral pions, kaons, protons; out of these, 41 modes are o…

hep-ex2016★ 34 cited

Observation of $D^{0} \to ρ^{0} γ$ and search for $C P$ violation in radiative charm decays

Belle Collaboration, T. Nanut, A. Zupanc +156

We report the first observation of the radiative charm decay $D^{0} \to ρ^{0} γ$ and the first search for $C P$ violation in decays $D^{0} \to ρ^{0} γ$ , $ϕ γ$ , and $K^{* 0} γ$ , u…

nucl-ex2016★ 2 cited

Search for Pentaquark Theta+ in Hadronic Reaction at J-PARC

M. Naruki

A variety of nuclear and hadron physics experiments are being performed using meson beams at the J-PARC Hadron Facility. As the first experiment at the facility, the pentaquark The…

Measurement of Branching Fraction and Longitudinal Polarization in B0→ρ+ρ− Decays at Belle II

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in B→J/ψK decays 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

First decay-time-dependent analysis of B0→KS0​π0 at Belle II

Study of Exclusive B→πe+νe​ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb−1 of Belle II Data

Measurement of the branching fraction for the decay B→K∗(892)ℓ+ℓ− at Belle II

Combined analysis of Belle and Belle II data to determine the CKM angle ϕ3​ using B+→D(KS0​h−h+)h+ decays

Punzi-loss: A non-differentiable metric approximation for sensitivity optimisation in the search for new particles

Precise measurement of the D0 and D+ lifetimes at Belle II

Test of lepton-flavor universality in B→K∗ℓ+ℓ− decays at Belle

Search for B−→μ−νˉμ​ Decays at the Belle Experiment

Measurements of the absolute branching fractions of B+→Xccˉ​K+ and B+→Dˉ(∗)0π+ at Belle

Production cross sections of hyperons and charmed baryons from e+e− annihilation near s​=10.52~GeV

First measurement of T-odd moments in D0→KS0​π+π−π0 decays

Search for B→hννˉ decays with semileptonic tagging at Belle

Lepton-Flavor-Dependent Angular Analysis of B→K∗ℓ+ℓ−

Measurement of the τ lepton polarization and R(D∗) in the decay Bˉ→D∗τ−νˉτ​

Measurement of CP asymmetry in the D0→KS0​KS0​ decay at Belle

Evidence for the decay B0→ηη

Search for a dark vector gauge boson decaying to π+π− using η→π+π−γ decays

Measurement of the branching ratio of Bˉ0→D∗+τ−νˉτ​ relative to Bˉ0→D∗+ℓ−νˉℓ​ decays with a semileptonic tagging method

Study of χ_{bJ}(1P) Properties in the Radiative Υ(2S) Decays

Observation of D0→ρ0γ and search for CP violation in radiative charm decays

Search for Pentaquark Theta+ in Hadronic Reaction at J-PARC

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to ρ^{+} ρ^{-}$ Decays at Belle II

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / ψ K$ decays 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

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} π^{0}$ at Belle II

Study of Exclusive $B \to π e^{+} ν_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

Measurement of the branching fraction for the decay $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ at Belle II

Combined analysis of Belle and Belle II data to determine the CKM angle $ϕ_{3}$ using $B^{+} \to D (K_{S}^{0} h^{-} h^{+}) h^{+}$ decays

Precise measurement of the $D^{0}$ and $D^{+}$ lifetimes at Belle II

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle

Search for $B^{-} \to μ^{-} ν ˉ_{μ}$ Decays at the Belle Experiment

Measurements of the absolute branching fractions of $B^{+} \to X_{c c ˉ} K^{+}$ and $B^{+} \to D ˉ^{(*) 0} π^{+}$ at Belle

Production cross sections of hyperons and charmed baryons from $e^{+} e^{-}$ annihilation near $s = 10.52$ ~GeV

First measurement of $T$ -odd moments in $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$ decays

Search for $B \to hν ν ˉ$ decays with semileptonic tagging at Belle

Lepton-Flavor-Dependent Angular Analysis of $B \to K^{*} ℓ^{+} ℓ^{-}$

Measurement of the $τ$ lepton polarization and $R (D^{})$ in the decay $B ˉ \to D^{} τ^{-} ν ˉ_{τ}$

Measurement of $C P$ asymmetry in the $D^{0} \to K_{S}^{0} K_{S}^{0}$ decay at Belle

Evidence for the decay $B^{0} \to η η$

Search for a dark vector gauge boson decaying to $π^{+} π^{-}$ using $η \to π^{+} π^{-} γ$ decays

Measurement of the branching ratio of $B ˉ^{0} \to D^{+} τ^{-} ν ˉ_{τ}$ relative to $B ˉ^{0} \to D^{+} ℓ^{-} ν ˉ_{ℓ}$ decays with a semileptonic tagging method

Observation of $D^{0} \to ρ^{0} γ$ and search for $C P$ violation in radiative charm decays