C. Park

activity

20012020

most citedObservation of Two Resonant Structures in e+e- to pi+ pi- psi(2S) via Initial State Radiation at Belle

398 citations · 4.1k across the 74 of their papers we have counts for

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79 papers · 1 filter

hep-ex2020

Measurements of branching fractions and CP-violating charge asymmetries in charmless $B$ decays reconstructed in 2019--2020 Belle~II data

Belle II Collaboration, F. Abudinén, I. Adachi +544

We report on first measurements of branching fractions~( $B$ ) and CP-violating charge asymmetries~( $A$ ) in charmless $B$ decays at Belle~II. We use a sample of e…

hep-ex2020

Measurement of Hadronic Mass Moments $⟨ M_{X}^{n} ⟩$ in $B \to X_{c} ℓ ν$ Decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +540

We present measurements of the first six hadronic mass moments in semileptonic $B \to X_{c} ℓ ν$ decays. The hadronic mass moments, together with other observables of incl…

hep-ex2020★ 2 cited

Studies of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ and $B^{-} \to D^{0} ℓ^{-} ν ˉ_{ℓ}$ decay processes with 34.6 fb $^{- 1}$ of Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +542

We report measurements of the $B ˉ^{0} \to D^{*+} ℓ^{-} ν ˉ_{l}$ and $B^{-} \to D^{0} ℓ^{-} ν ˉ_{l}$ processes using 34.6 fb $^{- 1}$ of collision events recorded by the Belle…

hep-ex2020★ 6 cited

Measurement of two-particle correlations in hadronic $e^{+} e^{-}$ collisions at Belle

Belle Collaboration, A. Abdesselam, I. Adachi +459

The enhancement of charged-particle pairs with large pseudorapidity difference and small azimuthal angle difference, often referred to as the ``ridge signal'', is a phenomenon wide…

hep-ex2020★ 1 cited

Measurement of the $B^{0}$ lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset

Belle II Collaboration, F. Abudinén, I. Adachi +534

This document presents the measurement of $B^{0}$ meson lifetimes using the 2019 Belle II dataset that corresponds to an integrated luminosity of $8.7 \pm 0.2$ fb $^{- 1}$ . Each candid…

hep-ex2019

Experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$

The Belle Collaboration, A. Abdesselam, I. Adachi +454

We report an experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$ using 980 fb $^{- 1}$ data in the $e^{+} e^{-}$ annihilation around $s = 10.6$ GeV collected by…

hep-ex2019★ 68 cited

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

The Belle Collaboration, A. Abdesselam, I. Adachi +461

We report a measurement of the ratios of branching fractions $R (D) = B (B ˉ \to D τ^{-} ν ˉ_{τ}) / B (B ˉ \to D ℓ^{-} ν ˉ_{ℓ})$ and $\mathcal{R}(D^{…

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-ex2019★ 35 cited

Measurement of the $D^{-}$ polarization in the decay $B^{0} \to D^{-} τ^{+} ν_{τ}$

Belle Collaboration, A. Abdesselam, I. Adachi +457

We report the first measurement of the $D^{*-}$ meson polarization in the decay $B^{0} \to D^{*-} τ^{+} ν_{τ}$ using the full data sample of 772 $\times 1 0^{6}$ $B B ˉ$ pairs recorded…

hep-ex2018★ 1 cited

Measurements of branching fraction and $C P$ asymmetry of the $B ˉ^{0} (B^{0}) \to K_{S}^{0} K^{\mp} π^{\pm}$ decay at Belle

A. Abdesselam, I. Adachi, K. Adamczyk +446

We report the measurement of the branching fraction and $C P$ asymmetry for the $B ˉ^{0} (B^{0}) \to K_{S}^{0} K^{\mp} π^{\pm}$ decay. The analysis is performed on a data sample of…

hep-ex2018★ 13 cited

Measurement of Branching Fractions of Hadronic Decays of the $Ω_{c}^{0}$ Baryon

Belle Collaboration, J. Yelton, I. Adachi +186

Using a data sample of 980 $fb^{- 1}$ of $e^{+} e^{-}$ annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we report the resu…

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★ 6 cited

Measurement of the Decays $B \to η ℓ ν_{ℓ}$ and $B \to η^{'} ℓ ν_{ℓ}$ in Fully Reconstructed Events at Belle

Belle Collaboration, C. Beleño, J. Dingfelder +142

We report branching fraction measurements of the decays $B^{+} \to η ℓ^{+} ν_{ℓ}$ and $B^{+} \to η^{'} ℓ^{+} ν_{ℓ}$ based on 711~fb $^{- 1}$ of data collected near the $Υ (4 S)$ resonance w…

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★ 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…

hep-ex2015★ 43 cited

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: $Λ_{c}^{+} \to p K^{+} π^{-}$

Belle Collaboration, S. B. Yang, K. Tanida +190

We report the first observation of the decay $Λ_{c}^{+} \to p K^{+} π^{-}$ using a 980 $f b^{- 1}$ data sample collected by the Belle detector at the KEKB asymmetric…

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★ 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★ 79 cited

Study of $π^{0}$ pair production in single-tag two-photon collisions

The Belle Collaboration, M. Masuda, S. Uehara +177

We report a measurement of the differential cross section of $π^{0}$ pair production in single-tag two-photon collisions, $γ^{*} γ \to π^{0} π^{0}$ , in $e^{+} e^{-}$ scattering. The cross secti…

hep-ex2015★ 53 cited

Energy scan of the $e^{+} e^{-} \to h_{b} (n P) π^{+} π^{-}$ $(n = 1, 2)$ cross sections and evidence for $Υ (11020)$ decays into charged bottomonium-like states

Belle Collaboration, R. Mizuk, A. Bondar +155

Using data collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we measure the energy dependence of the $e^{+} e^{-} \to h_{b} (n P) π^{+} π^{-}$ $(n = 1, 2)$ cross sec…

hep-ex2015

First Observation of CP Violation in B0->D(*)CP h0 Decays by a Combined Time-Dependent Analysis of BaBar and Belle Data

The BaBar, Belle Collaborations, : +471

We report a measurement of the time-dependent CP asymmetry of B0->D(*)CP h0 decays, where the light neutral hadron h0 is a pi0, eta or omega meson, and the neutral D meson is recon…

hep-ex2015★ 5 cited

Measurement of the direct $C P$ asymmetry in $B ˉ \to X_{s + d} γ$ decays with a lepton tag

L. Pesántez, P. Urquijo, J. Dingfelder +180

We report the measurement of the direct $C P$ asymmetry in the radiative $B ˉ \to X_{s + d} γ$ decay using a data sample of $(772 \pm 11) \times 1 0^{6}$ $B B ˉ$ pairs collec…

Measurements of branching fractions and CP-violating charge asymmetries in charmless B decays reconstructed in 2019--2020 Belle~II data

Measurement of Hadronic Mass Moments ⟨MXn​⟩ in B→Xc​ℓν Decays at Belle II

Studies of the semileptonic Bˉ0→D∗+ℓ−νˉℓ​ and B−→D0ℓ−νˉℓ​ decay processes with 34.6 fb−1 of Belle II data

Measurement of two-particle correlations in hadronic e+e− collisions at Belle

Measurement of the B0 lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset

Experimental determination of the isospin of Λc​(2765)+/Σc​(2765)+

Measurement of R(D) and R(D∗) with a semileptonic tagging method

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

Measurement of the D∗− polarization in the decay B0→D∗−τ+ντ​

Measurements of branching fraction and CP asymmetry of the Bˉ0(B0)→KS0​K∓π± decay at Belle

Measurement of Branching Fractions of Hadronic Decays of the Ωc0​ Baryon

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

Measurement of the Decays B→ηℓνℓ​ and B→η′ℓνℓ​ in Fully Reconstructed Events at Belle

Search for B→hννˉ decays with semileptonic tagging at Belle

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

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

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λc+​→pK+π−

Search for the rare decay D0→γγ at Belle

Study of B0→ρ+ρ− decays and implications for the CKM angle ϕ2​

Study of π0 pair production in single-tag two-photon collisions

Energy scan of the e+e−→hb​(nP)π+π− (n=1,2) cross sections and evidence for Υ(11020) decays into charged bottomonium-like states