activity
20002004
most citedObservation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays

2k citations · 6.1k across the 31 of their papers we have counts for

collaborators

31 papers

hep-ex2004★ 8 cited

Evidence of B0 --> rho0 pi0

J. Dragic, T. Gershon

We present the first evidence of the decay B0 --> rho0 pi0, using 140fb^-1 of data collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric e+e- collid…

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★ 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 data collected at the resonance with the Belle detector at the KEKB asymm…

hep-ex2003★ 84 cited

Observation of

A. Ishikawa

We report the first observation of the flavor-changing neutral current decay and an improved measurement of the decay , where $\ell…

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-ex2002★ 14 cited

Measurement of the inclusive semileptonic branching fraction of B mesons and |Vcb|

The Belle collaboration

We present a measurement of the electron spectrum from inclusive semileptonic {\it B} decay, using 5.1 fb of data collected with the Belle detector. A high-momentum…

hep-ex2002★ 64 cited

Measurement of the Electroweak Penguin Process B --> X(s) l+ l-

J. Kaneko, Belle Collaboration

We report the first measurement of the branching fraction for the inclusive decay B --> X(s) l+ l-, where l is either an electron or a muon and X(s) is a hadronic recoil system tha…

hep-ex2002★ 211 cited

Improved Measurement of Mixing-induced CP Violation in the Neutral B Meson System

The Belle Collaboration, K. Abe

We present an improved measurement of the standard model CP violation parameter sin2phi_1 (also known as sin2beta) based on a sample of 85 times 10^6 B Bbar pairs collected at the…

hep-ex2002★ 26 cited

Charmless Hadronic Two-Body B Meson Decays

Belle Collaboration, B. C. K. Casey

We report the results of a study of two-body B meson decays to the complete set of K pi, pi pi, and K K final states. The study is performed on a data sample of 31.7 +/- 0.3 millio…

hep-ex2002★ 15 cited

Measurement of CP-Violating Parameters in Decays

K. F. Chen, K. Hara

We present measurements of CP-violating parameters in and decays based on a 41.8 fb data sample collected at t…

hep-ex2002★ 35 cited

Observation of B -> D^{(*)} K^- K^{0(*)} decays

Belle Collaboration, A. Drutskoy

The B -> D^{(*)} K^- K^{(*)0} decays have been observed for the first time. The branching fractions of the B -> D^{(*)} K^- K^{(*)0} decay modes are measured. Significant signals a…

hep-ex2002★ 45 cited

Study of B -> ρπdecays at Belle

Belle Collaboration, A. Gordon

This paper describes a study of B meson decays to the pseudoscalar-vector final state ρπusing 31.9\times 10^6 B\bar{B} events collected with the Belle detector at KEKB. The branchi…

hep-ex2002★ 18 cited

Measurement of χ_{c2} Production in Two-Photon Collisions

Belle Collaboration, K. Abe

The production of the χ_{c2} charmonium state in two-photon collisions has been measured with the Belle detector at the KEKB e^+e^- collider. A clear signal for χ_{c2} --> γJ/ψ, J/…

hep-ex2002★ 56 cited

Measurements of Branching Fractions and Decay Amplitudes in B-> J/ψK^* decays

Belle Collaboration, K. Abe

The branching fractions and the decay amplitudes of B -> J/psi K^* decays are measured in a 29.4/fb data sample collected with the Belle detector at the KEKB electron-positron coll…

hep-ex2002★ 23 cited

Study of CP-Violating Asymmetries in B0 -> pi+pi- Decays

The Belle Collaboration, K. Abe

We present a measurement of CP-violating asymmetries in B0 -> pi+pi- decays based on a 41.8 fb-1 data sample collected at the Upsilon(4S) resonance with the Belle detector at the K…

hep-ex2002★ 29 cited

Search for Charmless Two-body Baryonic Decays of B Mesons

K. Abe, The Belle Collaboration

We report the results of a search for the rare baryonic decays , , and . The analysis is based on a data set of …

hep-ex2002★ 56 cited

Observation of Mixing-induced CP Violation in the Neutral B Meson System

Belle Collaboration, K. Abe

This report describes an observation of mixing-induced CP violation and a measurement of the CP violation parameter, sin(2phi_1), with the Belle detector at the KEKB asymmetric e+e…

hep-ex2001★ 48 cited

Measurement of Br(Bbar -> D+l-nubar) and Determination of |Vcb|

Belle Collaboration, K. Abe

We present a measurement of the branching fraction for the semileptonic B decay Bbar -> D+l-nubar, where l- can be either an electron or a muon. We find Gamma(Bbar -> D+l-nubar)= (…

hep-ex2001★ 43 cited

Observation of B+ -> chi_c0 K+

Belle Collaboration, K. Abe

Using a sample of B\bar{B}$ pairs collected with the Belle detector at the Y(4S) resonance, we make the first observation of the charged B meson decay to chi_c0 and a…

hep-ex2001★ 46 cited

Observation of Cabibbo-suppressed and W-exchange Lambda_c^+ baryon decays

Belle Collaboration, K. Abe

We present measurements of the Cabibbo-suppressed decays Lambda_c^+ --> Lambda0 K+ and Lambda_c^+ --> Sigma0 K+ (both first observations), Lambda_c^+ --> Sigma+ K+ pi- (seen with l…

hep-ex2001★ 38 cited

A Measurement of Lifetime Difference in Meson Decays

Belle Collaboration, K. Abe

We report a measurement of the - mixing parameter using 23.4 fb of data collected near the (4S) resonance with the Belle detector at KEKB. $y_{…

hep-ex2001★ 56 cited

Measurement of the Branching Fraction for B->eta' K and Search for B->eta'pi+

K. Abe

We report measurements for two-body charmless B decays with an eta' meson in the final state. Using 11.1X10^6 BBbar pairs collected with the Belle detector, we find BF(B^+ ->eta'K^…

hep-ex2001★ 625 cited

Observation of Large CP Violation in the Neutral B Meson System

K. Abe, The Belle Collaboration

We present a measurement of the Standard Model CP violation parameter sin 2phi_1 based on a 29.1 fb^{-1} data sample collected at the Upsilon(4S) resonance with the Belle detector…