Yokkaichi University

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20012023

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

2k 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

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59 papers · 1 filter

hep-ex2004★ 43 cited

Search for neutrinoless decays tau -> 3l

Y. Yusa

We have searched for neutrinoless tau lepton decays into three charged leptons using an 87.1 fb^{-1} data sample collected with the Belle detector at the KEKB e^+e^- collider. Sinc…

hep-ex2004★ 6 cited

Measurement of the Branching Fractions for $B \to ω K$ and $B \to ω π$

C. H. Wang

We report improved measurements of branching fractions for charmless hadronic two-body {\it B} meson decays containing an $ω$ meson in the final state. The results are based on a d…

hep-ex2004★ 220 cited

An inclusive measurement of the photon energy spectrum in b->s gamma decays

P. Koppenburg

We report a fully inclusive measurement of the flavour changing neutral current decay b->s gamma in the energy range 1.8 GeV < E* < 2.8 GeV, covering 95% of the total spectrum. Usi…

hep-ex2004★ 96 cited

Measurement of the B --> K^* gamma Branching Fractions and Asymmetries

Mikihiko Nakao

We report measurements of the radiative decay B --> K^*γ. The analysis is based on a data sample containing 85.0*10^6 B meson pairs collected by the Belle detector at the KEKB stor…

hep-ex2004★ 21 cited

Evidence for $B^{+} \to ω l^{+} ν$

The Belle Collaboration

We have searched for the decay $B^{+} \to ω l^{+} ν$ ( $l = e$ or $μ$ ) in 78 fb $^{- 1}$ of $Υ (4 S)$ data (85 million $B B ˉ$ events) accumulated with the Belle detector. The final state is fu…

hep-ex2004★ 7 cited

Measurement of the e+e- -> D()+D()- cross-sections

T. Uglov

We report first measurements of e+e- -> D(*)+D(*)- processes far above threshold. The cross-sections for e+e- -> DT*+DL*- and e+e- -> D+D*T- at sqrt{s}=10.58 GeV/c2 are measured to…

hep-ex2004★ 77 cited

Observation of Large CP Violation and Evidence for Direct CP Violation in B0-->pi+pi- Decays

K. Abe

We report the first observation of CP-violating asymmetries in B0 --> pi+pi- decays based on a 140 fb-1 data sample collected at the Upsilon(4S) resonance with the Belle detector a…

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★ 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★ 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★ 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★ 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★ 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…