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H. J. Kim

Researcher at Kyungpook National University

Publications -  155
Citations -  8697

H. J. Kim is an academic researcher from Kyungpook National University. The author has contributed to research in topics: KEKB & Branching fraction. The author has an hindex of 47, co-authored 154 publications receiving 7825 citations. Previous affiliations of H. J. Kim include Asia Pacific Center for Theoretical Physics.

Papers
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Study of e + e - →π + π - J/ψ and Observation of a Charged Charmoniumlike State at Belle

Z. Q. Liu, +191 more
TL;DR: In a study of Y(4260) → π+ π- J/φ decays, a structure is observed in the M(π(±)J/ψ) mass spectrum with 5.2σ significance that can be interpreted as a new charged charmoniumlike state.
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Measurement of the differential branching fraction and forward-backward asymmetry for B --> K(*)l+l-.

J. T. Wei, +153 more
TL;DR: The differential branching fraction, isospin asymmetry, K* polarization, and the forward-backward asymmetry (A(FB)) as functions of q2 = M(ll)(2)c2 and the fitted A(FB) spectrum exceeds the standard model expectation by 2.7 standard deviations.
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Search for lepton-flavor-violating τ decays into three leptons with 719 million produced τ+τ− pairs

K. Hayasaka, +143 more
- 12 Apr 2010 - 
TL;DR: In this paper, a search for lepton-flavor-violating τ decays into three leptons (electrons or muons) using 782 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider is presented.
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Lepton-Flavor-Dependent Angular Analysis of B→K^{*}ℓ^{+}ℓ^{-}

S. Wehle, +242 more
TL;DR: The result is consistent with standard model (SM) expectations, where the largest discrepancy from a SM prediction is observed in the muon modes with a local significance of 2.6σ.
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Observation of B+ ---> K(1)(1270)+ gamma

Heyoung Yang, +150 more
TL;DR: In this article, the authors report the observation of the radiative decay B+-->K1(1270)(+) gamma using a data sample of 140 fb(-1) taken at the Upsilon(4S) resonance with the Belle detector at the KEKB e+e-collider.