Young-Kee Kim

activity

20142017

e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)

via Initial State Radiation at Belle

141 citations · 364 across the 11 of their papers we have counts for

collaborators

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11 papers · 1 filter

hep-ex2017★ 72 cited

Observation of an alternative $χ_{c 0} (2 P)$ candidate in $e^{+} e^{-} \to J / ψ D D ˉ$

Belle Collaboration, K. Chilikin, I. Adachi +167

We perform a full amplitude analysis of the process $e^{+} e^{-} \to J / ψ D D ˉ$ , where $D$ refers to either $D^{0}$ or $D^{+}$ . A new charmoniumlike state $X^{*} (3860)$ that decay…

hep-ex2017★ 9 cited

First measurement of $T$ -odd moments in $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$ decays

Belle Collaboration, K. Prasanth, J. Libby +193

We report the first measurement of the $T$ -odd moments in the decay $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$ from a data sample corresponding to an integrated luminosity of…

hep-ex2016

Evidence for the decay $B^{0} \to η η$

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report a search for $B^{0} \to η η$ with a data sample corresponding to an integrated luminosity of $698 fb^{- 1}$ containing $753 \times 1 0^{6}$ $B B ˉ$ pairs collected…

hep-ex2016★ 13 cited

Search for a dark vector gauge boson decaying to $π^{+} π^{-}$ using $η \to π^{+} π^{-} γ$ decays

E. Won, I. Adachi, H. Aihara +159

We report a search for a dark vector gauge boson $U^{'}$ that couples to quarks in the decay chain $D^{*+} \to D^{0} π^{+}, D^{0} \to K_{S}^{0} η, η \to U^{'} γ$ , $U^{'} \to π^{+} π^{-}$ …

hep-ex2016★ 7 cited

Search for $X Y Z$ states in $Υ (1 S)$ inclusive decays

Belle Collaboration, C. P. Shen, C. Z. Yuan +152

The branching fractions of the $Υ (1 S)$ inclusive decays into final states with a $J / ψ$ or a $ψ (2 S)$ are measured with improved precision to be $\BR(Υ(1S)\to J/ψ+ {\rm anything})=(5…

hep-ex2015★ 4 cited

First Observation of the Decay B0->psi(2S)pi0

V. Chobanova, J. Dalseno, C. Kiesling +180

We report a measurement of the $B^{0} \to ψ (2 S) π^{0}$ branching fraction based on the full $Υ (4 S)$ data set of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle detector…

hep-ex2015★ 29 cited

Search for $B^{0} \to π^{-} τ^{+} ν_{τ}$ with hadronic tagging at Belle

Belle Collaboration, P. Hamer, A. Frey +181

We search for the process $B^{0} \to π^{-} τ^{+} ν_{τ}$ using the full Belle data set of $711 fb^{- 1}$ , corresponding to $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $Υ (4 S)$ r…

hep-ex2015★ 11 cited

First model-independent Dalitz analysis of $B^{0} \to D K^{* 0}$ , $D \to K_{S}^{0} π^{+} π^{-}$ decay

Belle Collaboration, K. Negishi, A. Ishikawa +178

We report a measurement of the amplitude ratio $r_{S}$ of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a Dalitz analysis of $D \to K_{S}^{0} π^{+} π^{-}$ decays, for the first…

hep-ex2015★ 17 cited

Measurements of $B \to D ˉ D_{s 0}^{+} (2317)$ decay rates and a search for isospin partners of the $D_{s 0}^{+} (2317)$

The Belle Collaboration, S. -K. Choi, S. L. Olsen +173

We report improved measurements of the product branching fractions ${\mathcal B}(B^+\rightarrow\bar{D}^0 D_{s0}^{*+} (2317))\times{\mathcal B}( D_{s0} ^{*+}(2317)\rightarrow D_s^{+…

hep-ex2014★ 61 cited

Measurement of the $B ˉ \to X_{s} γ$ Branching Fraction with a Sum of Exclusive Decays

Belle Collaboration, T. Saito, A. Ishikawa +179

We use 772 $\times 1 0^{6}$ $B B ˉ$ meson pairs collected at the $Υ (4 S)$ resonance with the Belle detector to measure the branching fraction for $B ˉ \to X_{s} γ$ . Our me…

hep-ex2014★ 141 cited

Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)$ via Initial State Radiation at Belle

X. L. Wang, C. Z. Yuan, C. P. Shen +151

We report measurement of the cross section of $e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)$ between 4.0 and $5.5 GeV$ , based on an analysis of initial state radiation events in a $980 f b^{- 1}$ …

Observation of an alternative χc0​(2P) candidate in e+e−→J/ψDDˉ

First measurement of T-odd moments in D0→KS0​π+π−π0 decays

Evidence for the decay B0→ηη

Search for a dark vector gauge boson decaying to π+π− using η→π+π−γ decays

Search for XYZ states in Υ(1S) inclusive decays

First Observation of the Decay B0->psi(2S)pi0

Search for B0→π−τ+ντ​ with hadronic tagging at Belle

First model-independent Dalitz analysis of B0→DK∗0, D→KS0​π+π− decay

Measurements of B→DˉDs0∗+​(2317) decay rates and a search for isospin partners of the Ds0∗+​(2317)

Measurement of the Bˉ→Xs​γ Branching Fraction with a Sum of Exclusive Decays

Measurement of e+e−→π+π−ψ(2S) via Initial State Radiation at Belle