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Y. S. Sohn

Researcher at Yonsei University

Publications -  161
Citations -  6306

Y. S. Sohn is an academic researcher from Yonsei University. The author has contributed to research in topics: KEKB & Branching fraction. The author has an hindex of 37, co-authored 158 publications receiving 5605 citations.

Papers
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Journal ArticleDOI

Measurement of the branching ratio of B ¯ →d (∗)τ- ν ¯ τ relative to B ¯ →d (∗) - ν ¯ decays with hadronic tagging at Belle

M. Huschle, +221 more
- 26 Oct 2015 - 
TL;DR: In this paper, the branching fraction ratio R(D)(()*()) of (B) over bar → D-(*())tau(-)(nu)over bar (tau) relative to (B), where l = e or mu, was measured using the full Belle data sample.
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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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Observation of two charged bottomoniumlike resonances in Υ(5S) decays.

A.E. Bondar, +157 more
TL;DR: The observation of two narrow structures in the mass spectra of the π(±)Υ(nS) and π (±)h(b)(mP) pairs that are produced in association with a single charged pion in Υ(5S) decays is reported.
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Measurement of γγ *→π0 transition form factor at Belle

Sadaharu Uehara, +159 more
- 09 Nov 2012 - 
TL;DR: In this paper, the pion transition form factor, F(Q(2)), is measured for the kinematical region 4 GeV2 <= Q(2) <= 40 GeV 2, where -Q 2 is the invariant-mass squared of a virtual photon.
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Bounds on the width, mass difference and other properties of X(3872) → π+ π-J/ψ decays

S. K. Choi, +176 more
- 07 Sep 2011 - 
TL;DR: In this article, an upper bound on the natural width of Gamma(X(3872)) K+X( 3872)) X B (B) = (8.63 +/- 0.19(syst)) MeV, a 90% confidence level upper limit.