Yongsun Kim

activity

20072020

most citedExperimental constraints on the spin and parity of the Z(4430)+

178 citations · 820 across the 25 of their papers we have counts for

collaborators

25 papers

hep-ex2020★ 28 cited

First Determination of the Spin and Parity of a Charmed-Strange Baryon, $Ξ_{c} (2970)^{+}$

Belle Collaboration, T. J. Moon, K. Tanida +202

We report results from a study of the spin and parity of $Ξ_{c} (2970)^{+}$ using a $980 f b^{- 1}$ data sample collected by the Belle detector at the KEKB asymmetric-energy $e…

hep-ex2020★ 14 cited

Measurement of the Branching Fraction of the Decay $B^{+} \to π^{+} π^{-} ℓ^{+} ν_{ℓ}$ in Fully Reconstructed Events at Belle

The Belle Collaboration, C. Beleño, A. Frey +160

We present an analysis of the exclusive $B^{+} \to π^{+} π^{-} ℓ^{+} ν_{ℓ}$ decay, where $ℓ$ represents an electron or a muon, with the assumption of charge-conjugation symmetr…

hep-ex2015★ 28 cited

Inclusive and exclusive measurements of $B$ decays to $χ_{c 1}$ and $χ_{c 2}$ at Belle

V. Bhardwaj, K. Miyabayashi, E. Panzenböck +196

We report inclusive and exclusive measurements for $χ_{c 1}$ and $χ_{c 2}$ production in $B$ decays. We measure $B (B \to χ_{c 1} X)$ = $(3.03 \pm 0.05(\mbox{stat}) \pm 0.24(\…

hep-ex2015★ 8 cited

Measurement of $e^{+} e^{-} \to γ χ_{c J}$ via initial state radiation at Belle

Belle Collaboration, Y. L. Han, X. L. Wang +142

The process $e^{+} e^{-} \to γ χ_{c J}$ ( $J$ =1, 2) is studied via initial state radiation using 980 fb $^{- 1}$ of data at and around the $Υ (n S)$ ( $n$ =1, 2, 3, 4, 5) resonances collected wi…

hep-ex2015★ 34 cited

Measurements of the $Υ (10860)$ and $Υ (11020)$ resonances via $σ (e^{+} e^{-} \to Υ (n S) π^{+} π^{-})$

Belle Collaboration, D. Santel, K. Kinoshita +158

We report new measurements of the total cross sections for $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n$ = 1, 2, 3) and $e^{+} e^{-} \to b b ˉ$ from a high-luminosity fine scan of the region $\sq…

hep-ex2014★ 6 cited

Measurement of $B^{0} \to D_{s}^{-} K_{S}^{0} π^{+}$ and $B^{+} \to D_{s}^{-} K^{+} K^{+}$ branching fractions

J. Wiechczynski, J. Stypula, A. Abdesselam +171

We report a measurement of the $B^{0}$ and $B^{+}$ meson decays to the $D_{s}^{-} K_{S}^{0} π^{+}$ and $D_{s}^{-} K^{+} K^{+}$ final states, respectively, using $657 \times 1 0^{6} B B$ pairs col…

hep-ex2014

Observation of the decay $B^{0} \to η^{'} K^{*} (892)^{0}$

Belle Collaboration, S. Sato, Y. Yusa +161

We report a search for charmless hadronic decays of neutral $B$ mesons to $η^{'} K^{*} (892)^{0}$ . The results are based on a 711fb $^{- 1}$ data sample that contains $772\times 10^6 B\o…

hep-ex2014★ 25 cited

Search for CP violation in D^0 -> pi^0 pi^0 decays

N. K. Nisar, K. Trabelsi, G. B. Mohanty +161

We search for CP violation in neutral charm meson decays using a data sample with an integrated luminosity of 966 fb^-1 collected with the Belle detector at the KEKB e+e- asymmetri…

hep-ex2013★ 3 cited

Search for the process $e^{+} e^{-} \to J / ψ + X (1835)$ at $s \approx 10.6$ GeV

Belle Collaboration, X. H. He, J. Wang +116

We report the results of a search for the $X (1835)$ state in the process $e^{+} e^{-} \to J / ψ + X (1835)$ using a data sample of 672 fb $^{- 1}$ collected with the Belle detector at and near…

hep-ex2013★ 17 cited

Measurement of branching fractions for B \to J/ψηK decays and search for a narrow resonance in the J/ψηfinal state

Belle Collaboration, T. Iwashita, K. Miyabayashi +178

We report an observation of the $B^{\pm} \to J / ψ η K^{\pm}$ and $B^{0} \to J / ψ η K_{S}^{0}$ decays using 772 $\times 1 0^{6}$ $B B ˉ$ pairs collected at the $Υ (4 S)$ resonance with the Belle…

hep-ex2013★ 5 cited

Measurement of the Wrong-Sign Decay D0 -> K+ pi- pi+ pi-

Belle Collaboration, E. White, A. J. Schwartz +170

A measurement of the rate for the "wrong-sign" decay D0 -> K+ pi- pi+ pi- relative to that for the "right-sign" decay D0 -> K- pi+ pi+ pi- is presented. Using 791 fb-1 of data coll…

hep-ex2013★ 178 cited

Experimental constraints on the spin and parity of the Z(4430)+

Belle Collaboration, K. Chilikin, R. Mizuk +188

We perform a full amplitude analysis of B0 -> psi' K+ pi- decays, with psi' -> mu+ mu- or e+ e-, to constrain the spin and parity of the Z(4430)-. The J^P=1+ hypothesis is favored…

hep-ex2013★ 13 cited

Evidence for the decay B0 --> K+K-pi0

The Belle Collaboration, V. Gaur, G. B. Mohanty +168

We report a search for charmless hadronic decays of neutral B mesons to the final state K+K-pi0. The results are based on a 711 fb^-1 data sample that contains 772x10^6 BB-bar pair…

hep-ex2013★ 54 cited

Search for an H-dibaryon with mass near 2m_Lambda in Y(1S) and Y(2S) decays

B. H. Kim, S. L. Olsen, the Belle Collaboration

We report the results of a high-statistics search for H-dibaryon production in inclusive Y(1S) and Y(2S) decays. No indication of an H-dibaryon with mass near the M_H=2m_Lambda thr…

hep-ex2012★ 14 cited

Measurement of the inclusive semileptonic branching fraction $B (B_{s}^{0} \to X^{-} ℓ^{+} ν_{ℓ})$ at Belle

Belle Collaboration, C. Oswald, P. Urquijo +172

We report a measurement of the inclusive semileptonic $B_{s}^{0}$ branching fraction in a $121 f b^{- 1}$ data sample collected near the $Υ (5 S)$ resonance with the Belle detector at the…

hep-ex2012★ 72 cited

Measurements of Branching Fractions and Direct CP Asymmetries for B -> K pi, B->pi pi and B->to KK Decays

Y. -T. Duh, T. -Y. Wu, P. Chang +140

We report measurements of the branching fractions and direct CP asymmetries (A_{CP}) for B->K pi, pi pi and KK decays (but not pi^0 pi^0) based on the final data sample of 772x10^6…

hep-ex2012★ 7 cited

Evidence for B- -> Ds+ K- l- nubar and search for B- -> Ds*+ K- l- nubar

Belle Collaboration, J. Stypula, M. Rozanska +165

We report measurements of the decays B- -> Ds(*)+ K- l- nubar in a data sample containing 657x10^6 BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e+e-…

hep-ex2012★ 17 cited

Search for $B^{0}$ decays to invisible final states at Belle

Belle Collaboration, C. -L. Hsu, P. Chang +154

We report a search for $B^{0}$ decays into invisible final states using a data sample of $657 \times 1 0^{6}$ $B B ˉ$ pairs collected at the $Υ (4 S)$ resonance with the Belle dete…

hep-ex2012★ 14 cited

Search for the decay $B^{0} \to D K^{* 0}$ followed by $D \to K^{-} π^{+}$

The Belle Collaboration, K. Negishi, Y. Horii +136

We report a study of the decay $B^{0} \to D K^{+} π^{-}$ followed by $D \to K^{-} π^{+}$ , where $D$ indicates $D^{0}$ or $D ˉ^{0}$ . We reconstruct the $D K^{+} π^{-}$ state in a phase…

hep-ex2012★ 9 cited

First observation of exclusive $Υ (1 S)$ and $Υ (2 S)$ decays into light hadrons

Belle Collaboration, C. P. Shen, C. Z. Yuan +153

Using samples of 102 million $Υ (1 S)$ and 158 million $Υ (2 S)$ events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to the…

hep-ex2011★ 13 cited

Observation of B- to pbar Lambda D0 at Belle

P. Chen, M. -Z. Wang, I. Adachi +137

We study B- meson decays to pbar Lambda D(*)0 final states using a sample of 657 * 10^6 B Bbar events collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asy…

hep-ex2010★ 14 cited

Measurements of Branching Fractions for B0 --> Ds+pi- and B0-bar --> Ds+K-

The Belle Collaboration, A. Das

We present improved measurements of the branching fractions for the decays B0 --> Ds+pi- and B0-bar --> Ds+K- using a data sample of 657x10^6 BB-bar events collected at the Y(4S) r…

hep-ex2008★ 123 cited

Study of the $B \to X (3872) (\to D^{* 0} D ˉ^{0}) K$ decay

T. Aushev, N. Zwahlen

We present a study of $B \to X (3872) K$ with X(3872) decaying to $D^{* 0} D ˉ^{0}$ using a sample of 657 million $B B ˉ$ pairs recorded at the $Υ (4 S)$ resonance with the Belle detec…

hep-ex2008★ 115 cited

Observation of the $ϕ (1680)$ and the Y(2175) in $e^{+} e^{-} \to ϕ π^{+} π^{-}$

The Belle Collaboration, C. P. Shen

The cross sections for $e^{+} e^{-} \to ϕ π^{+} π^{-}$ and $e^+ e^- \to ϕ\fzero$ are measured from threshold to $s = 3.0$ $GeV$ using initial state radiation. The analysis is bas…

First Determination of the Spin and Parity of a Charmed-Strange Baryon, Ξc​(2970)+

Measurement of the Branching Fraction of the Decay B+→π+π−ℓ+νℓ​ in Fully Reconstructed Events at Belle

Inclusive and exclusive measurements of B decays to χc1​ and χc2​ at Belle

Measurement of e+e−→γχcJ​ via initial state radiation at Belle

Measurements of the Υ(10860) and Υ(11020) resonances via σ(e+e−→Υ(nS)π+π−)

Measurement of B0→Ds−​KS0​π+ and B+→Ds−​K+K+ branching fractions

Observation of the decay B0→η′K∗(892)0