Hyunyong Kim

activity

19982021

most citedMeasurement of the atmospheric neutrino-induced upgoing muon flux using MACRO

364 citations · 5.9k across the 107 of their papers we have counts for

collaborators

108 papers

hep-ph2021★ 1 cited

Illuminating long-lived dark vector bosons via exotic Higgs decays at $s = 13 TeV$

Tamer Elkafrawy, Marcus Hohlmann, Teruki Kamon +4

The possibility of producing a measurable long-lived dark $Z$ boson, that is assumed to be produced either via its kinetic mixing with the hypercharge gauge boson or via mixing of…

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★ 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★ 12 cited

Search for the $0^{--}$ Glueball in $Υ (1 S)$ and $Υ (2 S)$ decays

Belle Collaboration, S. Jia, C. P. Shen +168

We report the first search for the $J^{P C} = 0^{--}$ glueball in $Υ (1 S)$ and $Υ (2 S)$ decays with data samples of $(102 \pm 2)$ million and $(158 \pm 4)$ million events, respectively, col…

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★ 10 cited

Measurement of the CKM angle $φ_{1}$ in $B^{0} \to D ˉ^{(*) 0} h^{0}$ , $D ˉ^{0} \to K_{S}^{0} π^{+} π^{-}$ decays with time-dependent binned Dalitz plot analysis

Belle Collaboration, V. Vorobyev, I. Adachi +163

We report a measurement of the CP violation parameter $φ_{1}$ obtained in a time-dependent analysis of $B^{0} \to D ˉ^{(*) 0} h^{0}$ decays followed by $D ˉ^{0} \to K_{S}^{0} π^{+} π^{-}$ dec…

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-ex2015★ 19 cited

Search for the rare decay $D^{0} \to γ γ$ at Belle

Belle Collaboration, N. K. Nisar, G. B. Mohanty +180

We search for the rare radiative decay $D^{0} \to γ γ$ using a data sample with an integrated luminosity of $832 f b^{- 1}$ recorded by the Belle detector at the KEKB $e^{+} e^{-}$ asymme…

hep-ex2015★ 3 cited

Inclusive cross sections for pairs of identified light charged hadrons and for single protons in $e^{+} e^{-}$ at $s =$ 10.58 GeV

Belle Collaboration, R. Seidl, A. Abdesselam +172

We report the first double differential cross sections of two charged pions and kaons ( $e^{+} e^{-} \to hh X$ ) in electron-positron annihilation as a function of the fractional e…

hep-ex2015★ 19 cited

Study of $B^{0} \to ρ^{+} ρ^{-}$ decays and implications for the CKM angle $ϕ_{2}$

P. Vanhoefer, J. Dalseno, C. Kiesling +184

We present a measurement of the branching fraction and the longitudinal polarization fraction of $B^{0} \to ρ^{+} ρ^{-}$ decays, as well as the time-dependent $C P$ violating param…

hep-ex2015★ 6 cited

Observation of $B^{0} \to p Λ ˉ D^{(*) -}$

Y. -Y. Chang, M. -Z. Wang, A. Abdesselam +167

We report the first observation of the decays $B^{0} \to p Λ ˉ D^{(*) -}$ . The data sample of $711$ fb $^{- 1}$ used in this analysis corresponds to $772$ million $B B ˉ$ pa…

hep-ex2015★ 11 cited

Measurement of the branching fraction of B^+ -> tau^+ nu_tau decays with the semileptonic tagging method

Belle Collaboration, B. Kronenbitter, M. Heck +180

We report a measurement of the branching fraction of B^+ -> tau^+ nu_tau decays using a data sample of 772 x 10^6 BBbar pairs, collected at the Y(4S) resonance with the Belle detec…

hep-ex2014

Measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays with the semileptonic tagging method and the full Belle data sample

Belle Collaboration, A. Abdesselam, I. Adachi +392

We report a measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays using a data sample of $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $Υ (4 S)$ resonance with the…

hep-ex2014★ 9 cited

Evidence of $Υ (1 S) \to J / ψ + χ_{c 1}$ and search for double-charmonium production in $Υ (1 S)$ and $Υ (2 S)$ decays

Belle Collaboration, S. D. Yang, C. P. Shen +155

Using data samples of $102 \times 1 0^{6}$ $Υ (1 S)$ and $158 \times 1 0^{6}$ $Υ (2 S)$ events collected with the Belle detector, a first experimental search has been made for double-charmonium…

hep-ex2014★ 191 cited

Observation of a new charged charmoniumlike state in B -> J/psi K pi decays

Belle Collaboration, K. Chilikin, R. Mizuk +162

We present the results of an amplitude analysis of anti-B0 -> J/psi K- pi+ decays. A new charged charmoniumlike state Zc(4200)+ decaying to J/psi pi+ is observed with a significanc…

hep-ex2014★ 46 cited

Measurement of $D^{0}$ - $D^{0}$ Mixing and Search for Indirect $C P$ Violation Using $D^{0} \to K_{S}^{0} π^{+} π^{-}$ Decays

Belle Collaboration, A. Abdesselam, I. Adachi +178

We report a measurement of $D^{0}$ - $D^{0}$ mixing parameters and a search for indirect $C P$ violation through a time-dependent amplitude analysis of ${D^0\to K_S^0…

hep-ex2013★ 20 cited

Measurement of Branching Fractions and CP Asymmetries in B -> wK Decays and First Evidence of CP Violation in B0 -> wKS0

V. Chobanova, J. Dalseno, C. Kiesling +171

We present a measurement of the branching fractions and charge-parity-(CP-) violating parameters in B -> omega K decays. The results are obtained from the final data sample contain…

hep-ex2013★ 14 cited

Evidence for the suppressed decay B^- -> DK^-, D -> K^+π^-π^0

Belle Collaboration, M. Nayak, J. Libby +158

We report a study of the suppressed decay B^- -> DK^-, D -> K^+π^-π^0, where D denotes either a D^0 or a \bar{D}^0 meson. The decay is sensitive to the CP-violating parameter ϕ_3.…

hep-ex2013★ 13 cited

Evidence for Semileptonic B- to p pbar l nubar Decays

K. -J. Tien, M. -Z. Wang, I. Adachi +166

We find evidence for the semileptonic baryonic decay $B^{-} \to p p ˉ ℓ^{-} ν ˉ_{ℓ}$ ( $ℓ = e, μ$ ), based on a data sample of 772 million $B B ˉ$ pairs collected at the $Υ (4 S)$ r…

hep-ex2013★ 119 cited

Search for B -> h(*) nu nubar with the full Belle Y(4S) data sample

O. Lutz, S. Neubauer, M. Heck +173

We report a search for the rare decays B -> h(*) nu nubar, where h(*) stands for K+, Ks0, K*+, K*0, pi+, pi0, rho+, rho0 and phi. The results are obtained from a 711 fb-1 data samp…

hep-ex2013★ 45 cited

Measurement of the CP Violation Parameters in B0 -> pi+ pi- Decays

Belle Collaboration, J. Dalseno, K. Prothmann +188

We present a measurement of the time-dependent charge-parity (CP) violation parameters in B0 -> pi+ pi- decays. The results are obtained from the final data sample containing 772 m…

hep-ex2012★ 68 cited

Observation of ψ(4040) and ψ(4160) decay into ηJ/ψ

Belle Collaboration, X. L. Wang, Y. L. Han +126

The cross section for e^+e^- \to ηJ/ψbetween \sqrt{s}=3.8 GeV/c^2 and 5.3 GeV/c^2 is measured via initial state radiation using 980 fb^{-1} of data on and around the Υ(nS)(n=1,2,3,…

hep-ex2012★ 10 cited

Search for B -> phi pi decays

Belle collaboration, J. H. Kim, M. Nakao +149

We report on a search for the charmless decays $B^{+} \to ϕ π^{+}$ and $B^{0} \to ϕ π^{0}$ that are strongly suppressed in the Standard Model. The analysis is based on a data sample of…

Illuminating long-lived dark vector bosons via exotic Higgs decays at s​=13TeV

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

Search for B→hννˉ decays with semileptonic tagging at Belle

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

Search for the 0−− Glueball in Υ(1S) and Υ(2S) decays

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

Measurement of the CKM angle φ1​ in B0→Dˉ(∗)0h0, Dˉ0→KS0​π+π− decays with time-dependent binned Dalitz plot analysis