S. L. Olsen

activity

19982025

most citedObservation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

919 citations · 12.4k across the 223 of their papers we have counts for

collaborators

Showing 2003Show all

19 papers · 1 filter

hep-ex2003★ 6 cited

Search for K_S K_S in J/psi and psi(2S) decays

J. Z. Bai, BES Collaboration

The CP violating processes J/psi-->K_S K_S and psi(2S)-->K_S K_S are searched for using samples of 58 million J/psi and 14 million psi(2S) events collected with the Beijing Spectro…

hep-ex2003★ 37 cited

Measurements of $ψ (2 S)$ decays into Vector- Tensor final states

J. Z. Bai et al

Decays of the $ψ (2 S)$ into vector plus tensor meson final states have been studied with 14 million $ψ (2 S)$ events collected with the BESII detector. Branching fractions of $ψ(2S) \…

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★ 29 cited

Search for B^0 -> l^+ l^- at Belle

M. -C. Chang

We report the results of a search for the decay B^0 -> e^+ e^-, mu^+ mu^- and e^{+-} mu^{-+} based on an analysis of 78 fb^{-1} of data collected by the Belle detector at KEKB. No…

hep-ex2003★ 32 cited

First observation of psi(2S)-->K_S K_L

J. Z. Bai

The decay psi(2S)-->K_S K_L is observed for the first time using psi(2S) data collected with the Beijing Spectrometer (BESII) at the Beijing Electron Positron Collider (BEPC); the…

hep-ex2003★ 14 cited

Measurement of Branching Ratios for $η_{c}$ Hadronic Decays

J. Z. Bai

In a sample of 58 million $J / ψ$ events collected with the BES II detector, the process J/ $ψ \to γ η_{c}$ is observed in five decay channels: $η_{c} \to K^{+} K^{-} π^{+} π^{-}$ , $π^{+} π^{-} π^{+} π^{-}$ , $K^\…

hep-ex2003★ 2 cited

Study of CP Violating Effects in Time Dependent $B^{0} (B^{0} ˉ) \to D^{(*) \mp} π^{\pm}$ Decays

T. R. Sarangi

We report measurements of time dependent decay rates for $B^{0} (B ˉ^{0}) \to D^{(*) \mp} π^{\pm}$ decays and extraction of CP violation parameters containing $ϕ_{3}$ . Using fully recon…

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★ 62 cited

Partial Wave Analyses of $J / ψ \to γ K^{+} K^{-}$ and $γ K_{S}^{0} K_{S}^{0}$

J. Z. Bai et al

Results are presented on $J / ψ$ radiative decays to $K^{+} K^{-}$ and $K_{S}^{0} K_{S}^{0}$ based on a sample of 58M $J / ψ$ events taken with the BES II detector. A partial wave analysis is carrie…

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★ 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★ 5 cited

Measurement of Inclusive Monmentum Spectra and Multiplicity Distributions of Charged Particles at $s \sim 2 - 5$ GeV

BES Collaboration, J. Z. Bai

Inclusive momentum spectra and multiplicity distributions of charged particles measured with BESII detector at center of mass energies of 2.2,2.6,3.0,3.2,4.6 and 4.8 GeV are presen…

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★ 14 cited

First Evidence of Lambda Lambda-bar in χ_cJ Decays

BES Collaboration, J. Z. Bai

The first observation of χ_cJ (J=0,1,2) decays to Lambda Lambda-bar is reported using ψ(2S) data collected with the BESII detector at the BEPC. The branching ratios are determined…

hep-ex2003★ 23 cited

Measurements of the Mass and Full-Width of the $η_{c}$ Meson

J. Z. Bai

In a sample of 58 million $J / ψ$ events collected with the BES II detector, the process J/ $ψ \to γ η_{c}$ is observed in five different decay channels: $γ K^{+} K^{-} π^{+} π^{-}$ , $γ π^{+} π^{-} π^{+} π^{-}$ ,…

hep-ex2003★ 32 cited

Study of Time-Dependent CP-Violating Asymmetries in b->sq q Decays

K. Abe

We present a measurement of CP-violation parameters in the b->sq q penguin transitions (q=s,u,d) based on a 78/fb data sample collected at the Y(4S) resonance with the Belle detect…

hep-ex2003★ 46 cited

Evidence for CP-Violating Asymmetries in B0->pi+pi- Decays and Constraints on the CKM Angle phi2

Belle Collaboration, K. Abe

We present an improved measurement of CP-violating asymmetries in B0 -> pi+ pi- decays based on a 78 fb^-1 data sample collected at the Y(4S) resonance with the Belle detector at t…

Search for K_S K_S in J/psi and psi(2S) decays

Measurements of ψ(2S) decays into Vector- Tensor final states

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

Search for B^0 -> l^+ l^- at Belle

First observation of psi(2S)-->K_S K_L

Measurement of Branching Ratios for ηc​ Hadronic Decays

Study of CP Violating Effects in Time Dependent B0(B0ˉ)→D(∗)∓π± Decays

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

Partial Wave Analyses of J/ψ→γK+K− and γKS0​KS0​

Study of B- => D**0 pi-(D**0 => D(*)+ pi-) decays

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

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

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

Measurement of Inclusive Monmentum Spectra and Multiplicity Distributions of Charged Particles at s​∼2−5 GeV

Measurement of branching fraction ratios and CP asymmetries in B±→DCP​K±

First Evidence of Lambda Lambda-bar in χ_cJ Decays

Measurements of the Mass and Full-Width of the ηc​ Meson

Study of Time-Dependent CP-Violating Asymmetries in b->sq q Decays

Evidence for CP-Violating Asymmetries in B0->pi+pi- Decays and Constraints on the CKM Angle phi2

Measurements of $ψ (2 S)$ decays into Vector- Tensor final states

Measurement of Branching Ratios for $η_{c}$ Hadronic Decays

Study of CP Violating Effects in Time Dependent $B^{0} (B^{0} ˉ) \to D^{(*) \mp} π^{\pm}$ Decays

Partial Wave Analyses of $J / ψ \to γ K^{+} K^{-}$ and $γ K_{S}^{0} K_{S}^{0}$

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

Measurement of Inclusive Monmentum Spectra and Multiplicity Distributions of Charged Particles at $s \sim 2 - 5$ GeV

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

Measurements of the Mass and Full-Width of the $η_{c}$ Meson