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

collaborators

69 papers

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(\…

astro-ph.HE2015★ 80 cited

The Energy Spectrum of Cosmic Rays above 10 $^{17.2}$ eV Measured by the Fluorescence Detectors of the Telescope Array Experiment in Seven Years

The Telescope Array Collaboration

The Telescope Array (TA) experiment is the largest detector to observe ultra-high-energy cosmic rays in the northern hemisphere. The fluorescence detectors at southern two stations…

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…

Search for the rare decay D0→γγ at Belle

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

The Energy Spectrum of Cosmic Rays above 1017.2 eV Measured by the Fluorescence Detectors of the Telescope Array Experiment in Seven Years

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