Y. Kwon

activity

19982015

most citedMeasurement of gamma gamma* --> pi0 transition form factor at Belle

223 citations · 3.4k across the 69 of their papers we have counts for

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66 papers · 1 filter

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★ 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★ 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★ 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★ 22 cited

Observation of $X (3872)$ in $B \to X (3872) K π$ decays

A. Bala, V. Bhardwaj, K. Trabelsi +173

We report the first observation of $B^{0} \to X (3872) (K^{+} π^{-})$ and evidence for $B^{+} \to X (3872) (K^{0} π^{+})$ . We measure the product of branching fractions for the former to b…

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

Measurements of the masses and widths of the $Σ_{c} (2455)^{0/ ++}$ and $Σ_{c} (2520)^{0/ ++}$ baryons

Belle Collaboration, S. -H. Lee, B. R. Ko +160

We present measurements of the masses and decay widths of the baryonic states $Σ_{c} (2455)^{0/ ++}$ and $Σ_{c} (2520)^{0/ ++}$ using a data sample corresponding to an integrated lumin…

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★ 35 cited

High-statistics study of K^0_S pair production in two-photon collisions

The Belle Collaboration, S. Uehara, Y. Watanabe +164

We report a high-statistics measurement of the differential cross section of the process gamma gamma --> K^0_S K^0_S in the range 1.05 GeV <= W <= 4.00 GeV, where W is the center-o…

hep-ex2013★ 66 cited

Measurements of branching fractions of leptonic and hadronic Ds+ meson decays and extraction of the Ds+ meson decay constant

A. Zupanc, I. Adachi, H. Aihara +169

We present measurements of absolute branching fractions of hadronic and leptonic Ds+ decays to K- K+ pi+, anti-K0 K+, eta pi+, mu+ nu_mu and tau+ nu_tau and report a search for the…

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

Evidence for B_s^0 -> Lambda_c^+ Lambda-bar pi^-

Belle Collaboration, E. Solovieva, R. Chistov +163

Using 121.4 fb^{-1} of data collected with the Belle detector at the Y(5S) resonance at the KEKB asymmetric-energy e^+e^- collider, we report evidence for the B_s^0 -> Lambda_c^+ L…

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★ 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…

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★ 80 cited

Evidence for the eta_b(2S) and observation of h_b(1P) -> eta_b(1S) gamma and h_b(2P) -> eta_b(1S) gamma

Belle Collaboration, R. Mizuk, D. M. Asner +171

We report the first evidence for the eta_b(2S) using the h_b(2P)->eta_b(2S)gamma transition and the first observation of the h_b(1P)->eta_b(1S)gamma and h_b(2P)->eta_b(1S)gamma tra…

hep-ex2012★ 223 cited

Measurement of gamma gamma* --> pi0 transition form factor at Belle

The Belle Collaboration, S. Uehara, Y. Watanabe +158

We report a measurement of the process gamma gamma* --> pi0 with a 759 fb^{-1} data sample recorded with the Belle detector at the KEKB asymmetric-energy e+e- collider. The pion tr…

hep-ex2012★ 57 cited

First Measurement of phi_3 with a Model-independent Dalitz Plot Analysis of B->DK, D->KsPiPi Decay

Belle collaboration, H. Aihara, K. Arinstein +159

We present the first measurement of the angle phi_3 of the Unitarity Triangle using a model-independent Dalitz plot analysis of B->DK, D->KsPiPi decays. The method uses an input me…

hep-ex2012★ 38 cited

Evidence for CP Violation in the Decay $D^{+} \to K_{S}^{0} π^{+}$

B. R. Ko, E. Won, I. Adachi +156

We observe evidence for CP violation in the decay $D^{+} \to K_{S}^{0} π^{+}$ using a data sample with an integrated luminosity of 977 fb $^{- 1}$ collected by the Belle detector at th…

hep-ex2012★ 26 cited

First observation of $B_{s}^{0} \to J / ψ η$ and $B_{s}^{0} \to J / ψ η^{'}$

Jin Li

We report first observations of $B_{s}^{0} \to J / ψ η$ and $B_{s}^{0} \to J / ψ η^{'}$ . The results are obtained from 121.4 fb^{-1} of data collected at the $Υ (5 S)$ resonance with the Belle detector…

hep-ex2011★ 21 cited

Search for CP Violation in D Meson Decays to phi pi+

Belle Collaboration, M. Starič, H. Aihara +132

We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP violating asymmetries for the Cabibbo-suppressed decays D+ -> K+K…

hep-ex2011★ 117 cited

Measurement of the decay $B^{0} \to π^{-} ℓ^{+} ν$ and determination of $∣ V_{u b} ∣$

H. Ha, E. Won, I. Adachi +140

We present a measurement of the charmless semileptonic decay $B^{0} \to π^{-} ℓ^{+} ν$ using a data sample containing 657 $\times 1 0^{6}$ $B B ˉ$ events collected with the Belle detector…

hep-ex2010★ 22 cited

Measurement of eta eta production in two-photon collisions

S. Uehara, Y. Watanabe, H. Nakazawa +1

We report the first measurement of the differential cross section for the process gamma gamma --> eta eta in the kinematic range above the eta eta threshold, 1.096 GeV < W < 3.8 Ge…

Search for the rare decay D0→γγ at Belle

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

Inclusive cross sections for pairs of identified light charged hadrons and for single protons in e+e− at s​= 10.58 GeV

Observation of B0→pΛˉD(∗)−

Observation of X(3872) in B→X(3872)Kπ decays

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

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

Measurements of the masses and widths of the Σc​(2455)0/++ and Σc​(2520)0/++ baryons