Ilje Cho

activity

20072025

most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

4.3k citations · 7.2k across the 34 of their papers we have counts for

collaborators

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30 papers · 1 filter

hep-ex2014★ 427 cited

The Physics of the B Factories

A. J. Bevan, B. Golob, Th. Mannel +2003

This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…

hep-ex2013★ 96 cited

Measurement of the Branching Fraction Br(Lambda_c+ -> p K- pi+)

A. Zupanc, C. Bartel, N. Gabyshev +184

We present the first model-independent measurement of the absolute branching fraction of the Lambda_c+ -> p K- pi+ decay using a data sample of 978 fb^-1 collected with the Belle d…

hep-ex2011★ 610 cited

Observation of two charged bottomonium-like resonances in Y(5S) decays

the Belle Collaboration

We report the observation of two narrow structures in the mass spectra of the pi+-Y(nS) (n=1,2,3) and pi+-hb(mP)(m$ (m=1,2) pairs that are produced in association with a single cha…

hep-ex2011★ 45 cited

Search for Lepton-number-violating B+->D-l+l'+ Decays

O. Seon, Y. J. Kwon, T. Iijima

We perform the first search for lepton-number-violating B+->D-l+l'+ decays, where l and l' stand for e or mu, using 772 x 10^6 BB-bar pairs accumulated at the Upsilon(4S) resonance…

hep-ex2011★ 13 cited

Observation of $D^{+} \to K^{+} η^{(')}$ and Search for CP Violation in $D^{+} \to π^{+} η^{(')}$ Decays

E. Won, B. R. Ko

We report the first observation of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} η^{(')}$ using a 791 fb $^{- 1}$ data sample collected with the Belle detector at th…

hep-ex2011★ 152 cited

First observation of the P-wave spin-singlet bottomonium states h_b(1P) and h_b(2P)

Belle Collaboration

We report the first observation of the spin-singlet bottomonium states h_b(1P) and h_b(2P) produced in the reaction e+e- --> hb(nP)pi+pi- using a 121.4fb-1 data sample collected at…

hep-ex2011★ 60 cited

Observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and Evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$

Jin Li

We report the first observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and first evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$ , which are CP eigenstate decay modes. These results are obtained from $121.…

hep-ex2011★ 14 cited

Search for CP Violation in the Decays $D^{0} \to K_{S}^{0} P^{0}$

B. R. Ko, E. Won

We have searched for CP violation in the decays $D^{0} \to K_{S}^{0} P^{0}$ where $P^{0}$ denotes a neutral pseudo-scalar meson which is either a $π^{0}$ , $η$ , or $η^{'}$ using KEKB asymme…

hep-ex2010★ 30 cited

Search for a Low Mass Particle Decaying into mu^+ mu^- in B0-> K*0 X and B0-> rho0 X at Belle

H. J. Hyun, H. K. Park, H. O. Kim +1

We search for dimuon decays of a low mass particle in the decays B0->K*0 X and B0->rho X using a data sample of 657x10^6 B Bbar events collected with the Belle detector at the KEKB…

hep-ex2010★ 46 cited

Search for leptonic decays of D0 mesons

M. Petrič, M. Starič

We search for the flavor-changing neutral current decays D0\to mu+mu- and D0\to e+e-, and for the lepton-flavor violating decays D0\to e\pm mu\mp using 660 fb^-1 of data collected…

hep-ex2010★ 19 cited

Search for $B^{0} \to K^{* 0} K^{* 0}$ , $B^{0} \to K^{* 0} K^{* 0}$ and $B^{0} \to K^{+} π^{-} K^{\mp} π^{\pm}$ Decays

C. -C. Chiang

We report a search for the decays $B^{0} \to K^{* 0} K^{* 0}$ and $B^{0} \to K^{* 0} K^{* 0}$ . We also measure other charmless decay modes with $K^{+} π^{-} K^{-} π^{+}$ and $K^{+}π^{-}K^{…

hep-ex2010★ 37 cited

Measurement of the branching fractions and the invariant mass distributions for tau^- -> h^-h^+h^-nu_tau decays

M. J. Lee

We present a study of tau->pipipinu, tau->Kpipinu, tau->KKpinu, and tau->KKKnu decays using a 666 fb-1 data sample collected with the Belle detector at the KEKB asymmetric-energy e…

hep-ex2009★ 131 cited

Evidence for a new resonance and search for the Y(4140) in $γ γ \to ϕ J / ψ$

The Belle Collaboration, C. P. Shen

The process $γγ\to ϕ\jpsi$ is measured for $ϕ\jpsi$ masses between threshold and 5 GeV/ $c^{2}$ , using a data sample of 825 fb $^{- 1}$ collected with the Belle detector. A narrow…

hep-ex2009★ 43 cited

Measurement Of |V_ub| From Inclusive Charmless Semileptonic B Decays

The Belle Collaboration

We present the partial branching fraction for inclusive charmless semileptonic B decays and the corresponding value of the CKM matrix element |Vub|, using a multivariate analysis m…

hep-ex2009★ 8 cited

Measurement of cross sections of exclusive $e^{+} e^{-} \to V P$ processes at $s = 10.58$ GeV

K. Belous, M. Shapkin

The cross sections for the reactions $e^{+} e^{-} \to ϕ η, ϕ η^{'}, ρ η, ρ η^{'}$ have been measured using a data sample of 516 fb $^{- 1}$ collected with the Belle detector at th…

hep-ex2009★ 8 cited

Search for the X(1812) in $B^{\pm} \to K^{\pm} ω ϕ$

The Belle Collaboration, C. Liu, Z. P. Zhang

We report on a search for the X(1812) state in the decay $B^{\pm} \to K^{\pm} ω ϕ$ with a data sample of $657 \times 1 0^{6}$ $B B ˉ$ pairs collected with the Belle detector at the KE…

hep-ex2009★ 11 cited

Observation of the Doubly Cabibbo-Suppressed Decay $D_{s}^{+} \to K^{+} K^{+} π^{-}$

Belle Collaboration, B. R. Ko, E. Won

We report the first observation of the doubly Cabibbo-suppressed decay $D_{s}^{+} \to K^{+} K^{+} π^{-}$ using 605 fb $^{- 1}$ of data collected with the Belle detector at the KEKB asymmetric-ene…

hep-ex2009★ 5 cited

Evidence of time-dependent CP violation in the decay B0 to D+D-

K. Vervink, T. Aushev, O. Schneider

We report a measurement of the CP-odd fraction and the time-dependent CP violation in B0 to D*+D*- decays, using 657.10^6 BBbar events collected at the Upsilon(4S) resonance with t…

hep-ex2008★ 229 cited

Observation of two resonance-like structures in the pi+ chi_c1 mass distribution in exclusive B0-bar --> K- pi+ chi_c1 decays

R. Mizuk, R. Chistov

We report the first observation of two resonance-like structures in the pi+ chi_c1 invariant mass distribution near 4.1 GeV/c^2 in exclusive B0-bar --> K- pi+ chi_c1 decays. From a…

hep-ex2008★ 25 cited

Measurement of branching fractions, isospin and CP-violating asymmetries for exclusive \boldmath $b \to d γ$ modes

N. Taniguchi, M. Nakao, S. Nishida

We report new measurements of the decays $B \to ρ^{+} γ$ , $B \to ρ^{0} γ$ and $B \to ω γ$ using a data sample of $657 \times 1 0^{6}$ $B$ meson pairs accumulated with the Belle detector at t…

hep-ex2008★ 11 cited

Measurement of the branching fraction and charge asymmetry of the decay B+ -> D+ D0bar and search for B0 -> D0 D0bar

Belle Collaboration

We report an improved measurement of the B+ -> D+ D0bar and B0 -> D0 D0bar decays based on 657 10^6 BBar events collected with the Belle detector at KEKB. We measure the branching…

hep-ex2007★ 54 cited

Study of B -> D** l nu with full reconstruction tagging

Dmitri Liventsev

We report a study of semileptonic B decays to P-wave D** mesons. Semileptonic decay to D*_2 meson is observed for the first time and its product branching ratio is measured to be B…

hep-ex2007★ 34 cited

Observation of Ds1(2536)+ -> D+pi-K+ and angular decomposition of Ds1(2536)+ -> D*+K0S

Belle Collaboration

Using 462/fb of e+e- annihilation data recorded by the Belle detector, we report the first observation of the decay Ds1(2536)+ -> D+pi-K+. The ratio of branching fractions B(Ds1+ -…

hep-ex2007★ 13 cited

Time-Dependent {\boldmath $C P$ }-Violating Asymmetry in $B^{0} \to ρ^{0} γ$ Decays

Y. Ushiroda

We report the first measurement of CP-violation parameters in $B^{0} \to ρ^{0} γ$ decays based on a data sample of $657 \times 1 0^{6} B B ˉ$ pairs collected with the Belle detector at the…

The Physics of the B Factories

Measurement of the Branching Fraction Br(Lambda_c+ -> p K- pi+)

Observation of two charged bottomonium-like resonances in Y(5S) decays

Search for Lepton-number-violating B+->D-l+l'+ Decays

Observation of D+→K+η(′) and Search for CP Violation in D+→π+η(′) Decays

First observation of the P-wave spin-singlet bottomonium states h_b(1P) and h_b(2P)

Observation of Bs0​→J/ψf0​(980) and Evidence for Bs0​→J/ψf0​(1370)

Search for CP Violation in the Decays D0→KS0​P0

Search for a Low Mass Particle Decaying into mu^+ mu^- in B0-> K*0 X and B0-> rho0 X at Belle

Search for leptonic decays of D0 mesons

Search for B0→K∗0K∗0, B0→K∗0K∗0 and B0→K+π−K∓π± Decays

Measurement of the branching fractions and the invariant mass distributions for tau^- -> h^-h^+h^-nu_tau decays

Evidence for a new resonance and search for the Y(4140) in γγ→ϕJ/ψ

Measurement Of |V_ub| From Inclusive Charmless Semileptonic B Decays

Measurement of cross sections of exclusive e+e−→VP processes at s​=10.58 GeV

Search for the X(1812) in B±→K±ωϕ

Observation of the Doubly Cabibbo-Suppressed Decay Ds+​→K+K+π−

Evidence of time-dependent CP violation in the decay B0 to D*+D*-

Observation of two resonance-like structures in the pi+ chi_c1 mass distribution in exclusive B0-bar --> K- pi+ chi_c1 decays

Measurement of branching fractions, isospin and CP-violating asymmetries for exclusive \boldmathb→dγ modes

Measurement of the branching fraction and charge asymmetry of the decay B+ -> D+ D0bar and search for B0 -> D0 D0bar

Study of B -> D** l nu with full reconstruction tagging

Observation of Ds1(2536)+ -> D+pi-K+ and angular decomposition of Ds1(2536)+ -> D*+K0S

Time-Dependent {\boldmath CP}-Violating Asymmetry in B0→ρ0γ Decays

Observation of $D^{+} \to K^{+} η^{(')}$ and Search for CP Violation in $D^{+} \to π^{+} η^{(')}$ Decays

Observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and Evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$

Search for CP Violation in the Decays $D^{0} \to K_{S}^{0} P^{0}$

Search for $B^{0} \to K^{* 0} K^{* 0}$ , $B^{0} \to K^{* 0} K^{* 0}$ and $B^{0} \to K^{+} π^{-} K^{\mp} π^{\pm}$ Decays

Evidence for a new resonance and search for the Y(4140) in $γ γ \to ϕ J / ψ$

Measurement of cross sections of exclusive $e^{+} e^{-} \to V P$ processes at $s = 10.58$ GeV

Search for the X(1812) in $B^{\pm} \to K^{\pm} ω ϕ$

Observation of the Doubly Cabibbo-Suppressed Decay $D_{s}^{+} \to K^{+} K^{+} π^{-}$

Evidence of time-dependent CP violation in the decay B0 to D+D-

Measurement of branching fractions, isospin and CP-violating asymmetries for exclusive \boldmath $b \to d γ$ modes

Time-Dependent {\boldmath $C P$ }-Violating Asymmetry in $B^{0} \to ρ^{0} γ$ Decays