Yonsei University

output

19932026

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

4.3k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2003 · hep-exShow all

26 papers · 2 filters

hep-ex2003★ 44 cited

Improved Measurements of Branching Fractions for B->Kpi, pipi and KK Decays

The Belle Collaboration, Y. Chao, K. Suzuki +1

We report improved measurements of branching fractions for $B \to K π$ , $π^{+} π^{-}$ , $π^{+} π^{0}$ and $K K ˉ$ decays based on a data sample of 85.0 million $B B ˉ$ pairs collected at…

hep-ex2003★ 40 cited

Measurement of |V_ub| using inclusive B -> X_u l nu decays with a novel X_u-reconstruction method

H. Kakuno

We report the measurement of an inclusive partial branching fraction for charmless semileptonic B decay and the extraction of |V_ub|. Candidates for B -> X_u l nu are identified wi…

hep-ex2003★ 2k cited

Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays

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

We report the observation of a narrow charmonium-like state produced in the exclusive decay process B+ -> K+ pi+pi- J/psi. This state, which decays into pi+pi- J/psi, has a mass of…

hep-ex2003★ 97 cited

An Upper Bound on the Decay tau -> mu gamma from Belle

K. Abe

We have performed a search for the lepton-flavor-violating decay tau -> mu gamma using a data sample of 86.3fb^{-1} accumulated by the Belle detector at KEK. No evidence for a sign…

hep-ex2003★ 75 cited

Observation of B+ -> p pbar pi+, B0 -> p pbar K0, and B+ -> p pbar K*+

M. -Z. Wang

We report the first observation of a b -> u type charmless baryonic B decay, B+ -> p pbar pi+, as well as b -> s type B0 -> p pbar K0 and B+ -> p pbar K*+ decays. The analysis is b…

hep-ex2003★ 5 cited

Search for B^- --> J/psi Lambda p-bar decay

S. L. Zang

We report the results of a search for $B^{-} \to \jpsi Λ\pbar$ based on a data set of 78 fb $^{- 1}$ data collected at the $Υ (4 S)$ resonance with the Belle detector at the KEKB asymm…

hep-ex2003★ 84 cited

Observation of $B \to K^{*} ℓ^{+} ℓ^{-}$

A. Ishikawa

We report the first observation of the flavor-changing neutral current decay $B \to K^{*} ℓ^{+} ℓ^{-}$ and an improved measurement of the decay $B \to K ℓ^{+} ℓ^{-}$ , where $\ell…

hep-ex2003★ 11 cited

Observation of radiative B -> phi K gamma decays

A. Drutskoy

The radiative decay $B \to ϕ K γ$ is observed for the first time. The branching fraction for the charged $B^{-} \to ϕ K^{-} γ$ decay mode is measured to be ${\cal B}(B^- \to ϕK^- γ) = (3…

hep-ex2003★ 2k cited

Observation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays

The Belle Collaboration, K. Abe

We report the first observation of a narrow charmmonium state produced in the exclusive decay process B+->K+ pi+pi- J/psi. This state, which decays into pi+pi-J/psi, has a mass of…

hep-ex2003★ 163 cited

Evidence for B0->pi0pi0

The Belle Collaboration, S. H. Lee

We report evidence for the decay B0->pi0pi0. The analysis is based on a data sample of 152million BBbar pairs collected at the Upsilon(4s) resonance with the Belle detector at the…

hep-ex2003★ 47 cited

Measurement of the CP Asymmetry in B -> X_s gamma

S. Nishida

Direct CP violation in the b->sgamma process is a sensitive probe of physics beyond the Standard Model. We report a measurement of the CP asymmetry in B -> X_s gamma, where the had…

hep-ex2003★ 21 cited

Observation of Radiative Decay $D^{0} \to ϕ γ$

The Belle Collaboration, O. Tajima

We report the observation of the decay $D^{0} \to ϕ γ$ with a statistical significance of $5.4 σ$ in $78.1 \ifb$ of data collected by the Belle experiment at the KEKB $e^{+} e^{-}$ colli…

hep-ex2003★ 269 cited

Observation of the DsJ(2317) and DsJ(2457) in B decays

P. Krokovny

We report the first observation of the B --> Dbar DsJ(2317) and B --> Dbar DsJ(2457) decays based on 123.8 10^6 BBar events collected with the Belle detector at KEKB. We observe th…

hep-ex2003★ 264 cited

Study of B- => D0 pi-(D0 => D(*)+ pi-) decays

Belle Collaboration

We report the results of a study of charged B decays to the D+- pi-+ pi-+ and D*+- pi-+ pi-+ final states using complete D(*) reconstruction. The contributions of two-body B => D**…

hep-ex2003★ 70 cited

J/psi production from proton-proton collisions at sqrt(s) = 200 GeV

PHENIX Collaboration, S. S. Adler

J/psi production has been measured in proton-proton collisions at sqrt(s)= 200 GeV over a wide rapidity and transverse momentum range by the PHENIX experiment at RHIC. Distribution…

hep-ex2003★ 65 cited

Study of B meson decays to three-body charmless hadronic final states

A. Garmash

We report results of a study of charmless B meson decays to three-body KPiPi, KKPi and KKK final states. Measurements of branching fractions for B decays to K+0Pi+Pi-, K+K+K-, K0K+…

hep-ex2003★ 51 cited

Observation of B+ -> psi(3770) K+

The Belle Collaboration, R. Chistov

We report the first observation of the decay B+ -> psi(3770) K+ where psi(3770) is reconstructed in the D0D0-bar and D+D- decay channels. The obtained branching fraction is Br(B+ -…

hep-ex2003★ 143 cited

Measurements of the $D_{s J}$ resonance properties

Y. Mikami

We report measurements of the properties of the $D_{s J}^{+} (2317)$ and $D_{s J}^{+} (2457)$ resonances produced in continuum $e^{+} e^{-}$ annihilation near $s = 10.6 GeV$ . The…

hep-ex2003★ 122 cited

Measurement of Branching Fractions and Polarization in B -> phi K^{(*)} Decays

K. -F. Chen, A. Bozek

We present the first measurement of decay amplitudes in B -> phi K^* and measurements of branching fractions in B -> phi K^{(*)} decays based on 78.1 fb^{-1} of data recorded at th…

hep-ex2003★ 100 cited

Observation of B+ -> rho+ rho0

J. Zhang, M. Nakao

We report the first observation of the charmless vector-vector decay process B+ ->rho+ rho0. The measurement uses a 78 fb^{-1} data sample collected with the Belle detector at the…

hep-ex2003★ 17 cited

Observation of B -> phi phi K

H. -C. Huang

We report the observation of the decay mode B -> phi phi K based on an analysis of 78 fb^{-1} of data collected with the Belle detector at KEKB. This is the first example of a b ->…

hep-ex2003★ 52 cited

Measurement of branching fraction ratios and CP asymmetries in $B^{\pm} \to D_{C P} K^{\pm}$

S. K. Swain, T. E. Browder

We report results on the decay $B^{-} \to D_{C P} K^{-}$ and its charge conjugate using a data sample of 85.4 million $B B ˉ$ pairs recorded at the $Υ (4 S)$ resonance with the Bell…

hep-ex2003★ 11 cited

Improved Measurement of the Partial-Rate CP Asymmetry in B+ -> K0pi+ and B- -> K0bar pi- Decays

Y. Unno, K. Suzuki

We report an improved measurement of the partial-rate CP asymmetry in B+ => K0pi+ and B- => K0bar pi- decays. The analysis is based on a data sample of 85 million BBbar pairs colle…

hep-ex2003★ 33 cited

Apparatus for a Search for T-violating Muon Polarization in Stopped-Kaon Decays

E246 Collaboration, M. Abe

The detector built at KEK to search for T-violating transverse muon polarization in K+ --> pi0 mu+ nu (Kmu3) decay of stopped kaons is described. Sensitivity to the transverse pola…