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List of works by Hyun Cheong Ha

A search for the rare leptonic decays B + → μ + ν μ and B + → e + ν e

A study of production at energies from 2.4 to 4.0 GeV at Belle

Dalitz analysis of three-body charmlessB0→K0π+π−decay

article

Dalitz analysis ofB→Kπ+ψ′decays and theZ(4430)+

article

Difference in direct charge-parity violation between charged and neutral B meson decays

scientific article published in Nature

Evidence for Large DirectCPViolation inB±→ρ(770)0K±from Analysis of Three-Body CharmlessB±→K±π±π±Decays

scientific article published in Physical Review Letters

Evidence for a new resonance and search for the Y(4140) in the gammagamma-->phiJ/psi process

scientific article

Evidence for directCPviolation in the decayB±→D(*)K±,D→KS0π+π−and measurement of the CKM phaseϕ3

article

Evidence for neutral B meson decays to omegaK*0.

scientific article

Evidence for the suppressed decay B(-)→DK(-), D→K(+)π(-).

scientific article published on 10 June 2011

Evidence forB0→χc1π0at Belle

scholarly article

Evidence forB→Kη′γdecays at Belle

scholarly article

Evidence forB→η′πand Improved Measurements forB→η′K

scientific article published in Physical Review Letters

Evidence forB−→τ−ν¯τwith a semileptonic tagging method

article

Evidence forCPViolation inB0→D+D−Decays

scientific article published in Physical Review Letters

Evidence forD0−D¯0Mixing

scientific article published on 24 May 2007

Evidence of the purely leptonic decay B- --> tau- nu(tau).

scientific article

Experimental Constraints on the Spin and Parity of theΛc(2880)+

scientific article published in Physical Review Letters

First measurement of inclusive B→Xsη decays

scientific article published on 5 November 2010

First observation of the decay τ − → ϕ K − ν τ

High Statistics Measurement of the Cross Sections of γγ→π+π-Production

High statistics study of thef0(980)resonance inγγ→π+π−production

scholarly article

High-statistics measurement of neutral-pion pair production in two-photon collisions

scholarly article

High-statistics study of neutral-pion pair production in two-photon collisions

article

High-statistics study ofηπ0production in two-photon collisions

scholarly article

Improved Constraints onD0−D¯0Mixing inD0→K+π−Decays from the Belle Detector

scientific article published in Physical Review Letters

Improved measurement of time-dependentCPviolation inB0→J/ψπ0decays

scholarly article

Improved measurement ofB¯0→Ds−D+and search forB¯0→Ds+Ds−at Belle

scholarly article

Improved measurement ofCP-violating parameters inB→ρ+ρ−decays

scholarly article

Improved measurements of branching fractions andCPasymmetries inB→ηhdecays

scholarly article

Improved measurements of branching fractions andCPpartial rate asymmetries forB→ωKandB→ωπ

scholarly article

Improved measurements of color-suppressed decaysB¯0→D0π0,D0η,D0ω,D*0π0,D*0ηandD*0ω

scholarly article

Improved search forD0-D¯0mixing using semileptonic decays at Belle

scholarly article

Measurement of Azimuthal Asymmetries in Inclusive Production of Hadron Pairs ine+e−Annihilation at Belle

scientific article published in Physical Review Letters

Measurement of B(Ds{+}-->mu+nu(mu)).

scientific article published on 17 June 2008

Measurement of Einstein-Podolsky-Rosen-Type Flavor Entanglement inΥ(4S)→B0B¯0Decays ⬇️

scientific article published in Physical Review Letters

Measurement of Forward-Backward Asymmetry and Wilson Coefficients inB→K*l+l−

scientific article published in Physical Review Letters

Measurement of InclusiveDs,D0, andJ/ψRates and Determination of theBs(*)B¯s(*)Production Fraction inbb¯Events at theΥ(5S)Resonance

scientific article published in Physical Review Letters

Measurement of azimuthal asymmetries in inclusive production of hadron pairs ine+e−annihilation ats=10.58  GeV

article

Measurement of branching fraction and directCPasymmetry inB0→ρ0π0decays

scholarly article

Measurement of branching fraction and time-dependentCPasymmetry parameters inB0→D*+D*−KS0decays

scholarly article

Measurement of branching fractions, isospin, and CP-violating asymmetries for exclusive b-->dgamma modes.

scientific article

Measurement of charmlessBdecays toηK*andηρ

scholarly article

Measurement of cross sections of exclusive e + e − → V P processes at s = 10.58 GeV

Measurement of inclusive radiative B-meson decays with a photon energy threshold of 1.7 GeV.

scientific article published on 7 December 2009

Measurement of masses of the Ξ c ( 2645 ) and Ξ c ( 2815 ) baryons and observation of Ξ c ( 2980 ) → Ξ c ( 2645 ) π

Measurement of the DecayBs0→Ds−π+and Evidence forBs0→Ds∓K±ine+e−Annihilation ats≈10.87  GeV

scientific article published in Physical Review Letters

Measurement of the Near-Thresholde+e−→D(*)±D(*)∓Cross Section using Initial-State Radiation

scientific article published in Physical Review Letters

Measurement of the Quark Mixing Parameter cos 2ϕ1 Using Time-Dependent Dalitz Analysis of B¯0 → D[KS0π+π−]h0

scientific article published in Physical Review Letters

Measurement of the branching fraction and charge asymmetry of the decayB+→D+D¯0and search forB0→D0D¯0

scientific article published on 7 May 2008

Measurement of the branching fraction for the decayΥ(4S)→Υ(1S)π+π−

scholarly article

Measurement of the branching fractions and the invariant mass distributions forτ−→h−h+h−ντdecays

scholarly article

Measurement of the branching fractions forB0→Ds*+π−andB0→Ds*−K+decays

scholarly article

Measurement of the decayB0→π−ℓ+νand determination of|Vub|

scholarly article

Measurement of the differential branching fraction and forward-backward asymmetry for B --> K(*)l+l-.

scientific article

Measurement of the form factors of the decayB0→D*−ℓ+νℓand determination of the CKM matrix element|Vcb|

scholarly article

Measurement of the moments of the photon energy spectrum inB→Xsγdecays and determination of|Vcb|andmbat Belle

scholarly article

Measurement of the ratio B ( D 0 → π + π − π 0 ) / B ( D 0 → K − π + π 0 ) and the time-integrated CP asymmetry in D 0 → π + π − π 0

Measurement of thee+e−→D0D*−π+cross section using initial-state radiation

scholarly article

Measurement of thee+e−→J/ψcc¯cross section ats≈10.6  GeV

scholarly article

Measurement of thee+e−→π+π−J/ψCross Section Via Initial-State Radiation at Belle

scientific article published in Physical Review Letters

Measurement of theτLepton Mass and an Upper Limit on the Mass Difference betweenτ+andτ−

scientific article published in Physical Review Letters

Measurement of time-dependent CP-violating parameters in B(0)-->K_(S)(0)K_(S)(0) decays.

scientific article published on 27 March 2008

Measurement ofB0→π+π−π+π−decays and search forB0→ρ0ρ0

scholarly article

Measurement ofB→Ds(*)Kπbranching fractions

scholarly article

Measurement ofCPAsymmetry in a Time-Dependent Dalitz Analysis ofB0→(ρπ)0and a Constraint on the Quark Mixing Matrix Angleϕ2

scientific article published in Physical Review Letters

Measurement ofCPasymmetries inB0→K0π0decays

scholarly article

Measurement ofD+→KS0K+andDs+→KS0π+branching ratios

scholarly article

Measurement ofD0→πlν(Klν)Form Factors and Absolute Branching Fractions

scientific article published in Physical Review Letters

Measurement ofD0−D¯0Mixing Parameters inD0→Ksπ+π−Decays

scientific article published in Physical Review Letters

Measurement ofe+e−→Ds(*)+Ds(*)−cross sections near threshold using initial-state radiation

scholarly article

Measurement ofyCPinD0meson decays to theKS0K+K−final state

scholarly article

Measurement of|Vub|from Inclusive Charmless SemileptonicBDecays

scientific article published in Physical Review Letters

Measurement ofΥ(5S)decays toB0andB+mesons

scholarly article

Measurement ofηηproduction in two-photon collisions

scholarly article

Measurements of Branching Fractions forB→KπandB→ππDecays

scientific article published in Physical Review Letters

Measurements of branching fractions and q 2 distributions for B → π ℓ ν and B → ρ ℓ ν decays with B → D ( ∗ ) ℓ ν decay tagging

Measurements of branching fractions forB0→Ds+π−andB¯0→Ds+K−

scholarly article

Measurements of charmless hadronicb→spenguin decays in theπ+π−K+π−final state and first observation ofB0→ρ0K+π−

scholarly article

Measurements of exclusiveBs0decays at theΥ(5S)resonance

scholarly article

Measurements of time-dependentCPviolation inB0→ψ(2S)KS0decays

scholarly article

Measurements of time-dependentCPviolation inB0→ωKS0,f0(980)KS0,KS0π0andK+K−KS0decays

scholarly article

Moments of the electron energy spectrum and partial branching fraction ofB→Xceνdecays at the Belle detector

article by Phillip Urquijo et al published 2 February 2007 in Physical Review D

Moments of the hadronic invariant mass spectrum inB→Xclνdecays at Belle

scholarly article

New search for τ → μ γ and τ → e γ decays at Belle

Observation of B(0)-->D(*-)tau(+)nu(tau) decay at Belle

scientific article published on 9 November 2007

Observation of B(s)(0) → D(s)(*)+ D(s)(*)- using e+ e- collisions and a determination of the B(s)-B(s) width difference ΔΓ(s).

scientific article published on 10 November 2010

Observation of B(s)⁰→J/ψf₀(980) and evidence for B(s)⁰→J/ψf₀(1370).

scientific article published on 23 March 2011

Observation of DirectCPViolation inB0→π+π−Decays and Model-Independent Constraints on the Quark-Mixing Angleϕ2

scientific article published in Physical Review Letters

Observation of New States Decaying intoΛc+K−π+andΛc+KS0π−

scientific article published in Physical Review Letters

Observation of Time-DependentCPViolation inB0→η′K0Decays and Improved Measurements ofCPAsymmetries inB0→φK0,KS0KS0KS0andB0→J/ψK0Decays

scientific article published in Physical Review Letters

Observation of Two Resonant Structures ine+e−→π+π−ψ(2S)via Initial-State Radiation at Belle

scientific article published in Physical Review Letters

Observation of a Charmoniumlike State Produced in Association with aJ/ψine+e−Annihilation ats≈10.6  GeV

scientific article published in Physical Review Letters

Observation of a Near-ThresholdD0D¯0π0Enhancement inB→D0D¯0π0KDecay

scientific article published in Physical Review Letters

Observation of a NewDsJMeson inB+→D¯0D0K+Decays

scientific article published in Physical Review Letters

Observation of a near-threshold enhancement in the e+e- -->Lambda+_(c)Lambda-_(c) cross section using initial-state radiation.

scientific article

Observation of an enhancement ine+e−→Υ(1S)π+π−,Υ(2S)π+π−, andΥ(3S)π+π−production nears=10.89  GeV

scholarly article

Observation of anomalous upsilon(1S)pi+pi(-) and upsilon(2S)pi+pi(-) production near the upsilon(5S) resonance.

scientific article published on 17 March 2008

Observation of aχc2′Candidate inγγ→DD¯Production at Belle

scientific article published in Physical Review Letters

Observation of b-->dgamma and determination of /Vtd/Vts/.

scientific article

Observation of the DecayB0→J/ψη

scientific article published in Physical Review Letters

Observation of the decayB¯0→Ds+Λp¯

scholarly article

Observation of the decayΥ(4S)→Υ(1S)π+π−

scholarly article

Observation of the doubly cabibbo-suppressed decay D_{s};{+}-->K;{+}K;{+}pi;{-}.

scientific article published on 5 June 2009

Observation of the psi(4415)-->DD2*(2460) decay using initial-state radiation

scientific article

Observation of theϕ(1680)and theY(2175)ine+e−→ϕπ+π−

scholarly article

Observation of two resonancelike structures in theπ+χc1mass distribution in exclusiveB¯0→K−π+χc1decays

scholarly article

Observation ofB+→D¯*0τ+ντand evidence forB+→D¯0τ+ντat Belle

article

Observation ofB+→Ξ¯c0Λc+and evidence forB0→Ξ¯c−Λc+

scholarly article

Observation ofB0→pp¯K*0with a LargeK*0Polarization

scientific article published in Physical Review Letters

Observation ofB0→ΛΛ¯K0andB0→ΛΛ¯K*0at Belle

scholarly article

Observation ofBDecays to Two Kaons

scientific article published in Physical Review Letters

Observation ofB±→χc1π±and search for directCPviolation

scholarly article

Observation ofB±→ψ(2S)π±and search for directCPviolation

scholarly article

Observation ofDs1(2536)+→D+π−K+and angular decomposition ofDs1(2536)+→D*+KS0

scholarly article

Observation ofe+e−→K+K−J/ψvia initial-state radiation at Belle

scholarly article

Production of new charmoniumlike states in e+e- -->J/psiD*D[over](*) at sqrt[s] approximately 10.6 GeV.

scientific article published on 19 May 2008

Search for B --> h(*)nunu[over ] decays at Belle.

scientific article published on 30 November 2007

Search for Invisible Decay of theΥ(1S)

scientific article published in Physical Review Letters

Search for a CP asymmetry in Cabibbo-suppressed D 0 decays

Search for a low mass particle decaying into μ+ μ- in B0 → K*0 X and B0 → ρ0 X at Belle

scientific article published on 25 August 2010

Search for charmonium and charmoniumlike states inΥ(1S)radiative decays

scholarly article

Search for lepton and baryon number violating τ − decays into Λ ¯ π − and Λ π −

Search for lepton flavor and lepton number violating τ decays into a lepton and two charged mesons

Search for lepton flavor violating τ decays into three leptons

Search for lepton flavor violating τ − decays into ℓ − K S 0 and ℓ − K S 0 K S 0

Search for lepton flavor violating τ − decays into ℓ − η , ℓ − η ′ and ℓ − π 0

Search for lepton flavor violating τ − decays with a K S 0 meson

Search for lepton-flavor-violating τ decay into a lepton and an f 0 ( 980 ) meson

Search for lepton-flavor-violating τ decays into a lepton and a vector meson

Search for lepton-flavor-violating τ → ℓ V 0 decays at Belle

Search for leptonic decays ofD0mesons

scholarly article

Search for neutrinoless decays τ → ℓ h h and τ → ℓ V 0

Search for resonant B ± → K ± h → K ± γ γ decays at Belle

Search for theX(1812)inB±→K±ωϕ

scholarly article

Search for thehcmeson inB±→hcK±

scholarly article

Search forB+→J/ψη′K+andB0→J/ψη′KS0decays

scholarly article

Search forB0→J/ψϕdecays

scholarly article

Search forB0→K*0K¯*0,B0→K*0K*0andB0→K+π−K∓π±decays

scholarly article

Search forB0→pp¯,ΛΛ¯andB+→pΛ¯at Belle

scholarly article

Search forBdecays intoη′p,η′K*,η′ϕ,η′ωandη′η(′)

scholarly article

Search forBs0→hhdecays at theΥ(5S)resonance

scholarly article

Search forB¯0→Λc+Λ¯c−decay at Belle

scholarly article

Search forCP-violating charge asymmetry inB±→J/ψK±decays

scholarly article

Search forCPViolation in the DecaysD(s)+→KS0π+andD(s)+→KS0K+

scientific article published in Physical Review Letters

Search forCPViolation inτ±→KS0π±ντDecays at Belle

scientific article published in Physical Review Letters

Study of and baryons at Belle

Study of charmonia in four-meson final states produced in two-photon collisions

Study of intermediate two-body decays in B ¯ 0 → Σ c ( 2455 ) 0 p ¯ π +

Study of the charmed baryonic decaysB¯0→Σc++p¯π−andB¯0→Σc0p¯π+

article by K. S. Park et al published 8 January 2007 in Physical Review D

Study of the decay mechanism for B + → p p ¯ K + and B + → p p ¯ π +

article published in 2008

Study of the suppressedBmeson decayB−→DK−,D→K+π−

scholarly article

Study of theB→X(3872)(→D*0D¯0)Kdecay

article

Study of theK+π+π−final state inB+→J/ψK+π+π−andB+→ψ′K+π+π−

scholarly article

Study of ¯¯¯B0→D0π+π− decays

scholarly article

Study of τ − → K S π − ν τ decay at Belle

Study ofB+→pΛ¯γ,pΛ¯π0andB0→pΛ¯π−

scholarly article

Study ofB±→DCPK±andDCP*K±decays

scholarly article

Study ofB→D**lνwith full reconstruction tagging

scholarly article

Study ofJ/ψ→pp¯,ΛΛ¯and Observation ofηc→ΛΛ¯at Belle

scientific article published in Physical Review Letters

Time-DependentCP-Violating Asymmetry inB0→ρ0γDecays

scientific article published in Physical Review Letters

Time-dependent Dalitz plot measurement ofCPparameters inB0→KS0π+π−decays

scholarly article

Time-dependentCPasymmetries inB0→Ks0π0γtransitions

scholarly article

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