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 2004Show all

22 papers · 1 filter

hep-ex2004★ 16 cited

Measurements of Branching Fractions and CP Asymmetries in B-> etah Decays

Paoti Chang

We report measurements of B to pseudoscalar-pseudoscalar decays with at least one eta meson in the final state using 140 fb^{-1} of data collected by the Belle detector at KEKB e^+…

hep-ex2004★ 7 cited

Measurements of J/psi Decays into 2(pi+pi-)eta and 3(pi+pi-)eta

M. Ablikim

Based on a sample of 5.8X 10^7 J/psi events taken with the BESII detector, the branching fractions of J/psi--> 2(pi+pi-)eta and J/psi-->3(pi+pi-)eta are measured for the first time…

hep-ex2004★ 280 cited

Resonances in $J / ψ \to ϕ π^{+} π^{-}$ and $ϕ K^{+} K^{-}$

M. Ablikim

A partial wave analysis is presented of $J / ψ \to ϕ π^{+} π^{-}$ and $ϕ K^{+} K^{-}$ from a sample of 58M $J / ψ$ events in the BES II detector. The $f_{0} (980)$ is observed clearly in both sets of…

hep-ex2004★ 29 cited

Measurement of the final states $ω π^{0}$ , $ρ η$ , and $ρ η^{^{'}}$ from $\psip$ electromagnetic decays and $\ee$ annihilations

M. Ablikim

Cross sections and form factors for $\ee \to \wpi$, $ρ η$ , and $ρ\etap$ at center of mass energies of 3.650, 3.686, and 3.773 GeV are measured using data samples collected with the…

hep-ex2004★ 8 cited

Measurement of masses and branching ratios of $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ baryons

T. Lesiak

We report a measurement of the $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ baryon masses, and the branching ratios for various $Ξ_{c}$ decays, using $140 fb^{- 1}$ of data collected by the Belle exp…

hep-ex2004★ 38 cited

Study of $J / ψ \to ω K^{+} K^{-}$

M. Ablikim

New data are presented on $J / ψ \to ω K^{+} K^{-}$ from a sample of 58M $J / ψ$ events in the upgraded BES II detector at the BEPC. There is a conspicuous signal for $f_{0} (1710) \to K^{+} K^{-}$ a…

hep-ex2004★ 407 cited

Study of time-dependent CP violation in B0 -> J/Psi pi0 decays

S. U. Kataoka

We report a measurement of CP asymmetry parameters in the decay B0(B0bar) -> J/Psi pi0, which is governed by the b->c cbar d transition. The analysis is based on a 140/fb data samp…

hep-ex2004★ 44 cited

Measurements of Branching Fractions and Polarization in B > K^* rho Decays

K. Abe

We present results of a study of the charmless vector-vector decays B^0 -> K^{*0} rho^0 and B^+ ->K^{*0} rho^+. The results are based on a 140 fb^{-1} data sample collected by the…

hep-ex2004★ 3 cited

First Measurement of the Branching Ratio of $J / ψ \to γ f_{2} (1270) f_{2} (1270)$

BES Collaboration, M. Ablikim

Using 58 million $J / ψ$ events taken with the BES II detector at the Beijing Electron Positron Collider, a new decay mode $J / ψ \to γ f_{2} (1270) f_{2} (1270) \to γ π^{+} π^{-} π^{+} π^{-}$ is obser…

hep-ex2004★ 16 cited

Search for $B^{0} \to p p ˉ$ , $Λ Λ ˉ$ and $B^{+} \to p Λ ˉ$ at Belle

M. -C. Chang

We report results of a search for the charmless two-body baryonic decays B^0 \to p \bar{p}, B^0 \to Λ\barΛ, and B^+\to p \barΛ based on the analysis of a 140 fb^{-1} data sample. W…

hep-ex2004★ 19 cited

Measurements of $ψ (2 S)$ decays into $ϕ π^{0}$ , $ϕ η$ , $ϕ η^{^{'}}$ , $ω η$ , and $ω η^{^{'}}$

BES Collaboration

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

hep-ex2004★ 83 cited

Improved Measurement of CP-Violation Parameters sin(2phi1) and |lambda|, B Meson Lifetimes, and B0-B0bar Mixing Parameter Delta m_d

The Belle Collaboration, K. Abe

We present a precise measurement of the standard model CP-violation parameter sin(2phi1), the direct CP violation parameter |lambda|, the lifetimes of charged and neutral B mesons…

hep-ex2004★ 18 cited

Search for CP violation in the decay B0->D*+-D-+

T. Aushev

We report a search for CP-violating asymmetry in B0 -> D*+- D-+ decays. The analysis employs two methods of B0 reconstruction: full and partial. In the full reconstruction method a…

hep-ex2004★ 24 cited

Search for a Charmonium Assignment for the X(3872)

Stephen L. Olsen

We report recent results on the properties of the X(3872) produced via the B-->KX(3872) decay process in the Belle detector. We compare these properties with expectations for possi…

hep-ex2004★ 32 cited

Measurement of phi_3 with Dalitz Plot Analysis of B->D(*)K Decay

Belle Collaboration

We present a measurement of the unitarity triangle angle phi_3 using a Dalitz plot analysis of the three-body decay of the neutral D meson from the B->D(*)K process. The method emp…

hep-ex2004★ 26 cited

Observation of the decay $\psip\rar\kstark$

BES Collaboration, M. Ablikim

Using 14 million $ψ (2 S)$ events collected with the BESII detector, branching fractions of $\psip\rar\kstarkpm$ and $\kstarknn$ are determined to be: $\calB(\psip\rar\kstarkpm)=(2.9…

hep-ex2004★ 29 cited

Evidence for f0(980)f0(980) production in chi_c0 decays

BES Collaboration, M. Ablikim

Using a sample of 14 million $ψ (2 S)$ events accumulated with the BES II detector, evidence for $f_{0} (980) f_{0} (980)$ production in $χ_{c 0}$ decays is obtained for the first time; the…

hep-ex2004★ 15 cited

Study of psi(2S) decays to X J/psi

BES Collaboration, M. Ablikim

Using J/psi -> mu^+ mu^- decays from a sample of approximately 4 million psi(2S) events collected with the BESI detector, the branching fractions of psi(2S) -> eta J/psi, pi^0 pi^0…

hep-ex2004★ 27 cited

ψ(2S) Decays into $\J$ plus Two Photons

BES collaboration

Using $γγJ/ψ, J/ψ\ra e^+ e^-$ and $μ^{+} μ^{-}$ events from a sample of $14.0 \times 1 0^{6}$ $\psip$ decays collected with the BESII detector, the branching fractions for $\psip\ra π^0\J$…

hep-ex2004★ 101 cited

Search for the Pentaquark State in $ψ (2 S)$ and $J / ψ$ Decays to $K_{S}^{0} p K^{-} n ˉ$ and $K_{S}^{0} p ˉ K^{+} n$

BES Collaboration, J. Z. Bai

Results are presented on $ψ (2 S)$ and $J / ψ$ hadronic decays to $K_{S}^{0} p K^{-} n ˉ$ and $K_{S}^{0} p ˉ K^{+} n$ final states from data samples of 14 million $ψ (2 S)$ and 58 million $J / ψ$ eve…

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★ 4 cited

Determination of BR(chi_{cJ} --> p \bar{p}) in psi(2S) decays

J. Z. Bai, BES Collaboration

The processes psi(2S) --> gamma chi_{cJ}, chi_{cJ} --> p pbar (J=0,1,2) are studied using a sample of 14X10^6 psi(2S) decays collected with the Beijing Spectrometer at the Beijing…

Measurements of Branching Fractions and CP Asymmetries in B-> etah Decays

Measurements of J/psi Decays into 2(pi+pi-)eta and 3(pi+pi-)eta

Resonances in J/ψ→ϕπ+π− and ϕK+K−

Measurement of the final states ωπ0, ρη, and ρη′ from $\psip$ electromagnetic decays and $\ee$ annihilations

Measurement of masses and branching ratios of Ξc+​ and Ξc0​ baryons

Study of J/ψ→ωK+K−

Study of time-dependent CP violation in B0 -> J/Psi pi0 decays

Measurements of Branching Fractions and Polarization in B > K^* rho Decays

First Measurement of the Branching Ratio of J/ψ→γf2​(1270)f2​(1270)

Search for B0→ppˉ​, ΛΛˉ and B+→pΛˉ at Belle

Measurements of ψ(2S) decays into ϕπ0, ϕη, ϕη′, ωη, and ωη′

Improved Measurement of CP-Violation Parameters sin(2phi1) and |lambda|, B Meson Lifetimes, and B0-B0bar Mixing Parameter Delta m_d

Search for CP violation in the decay B0->D*+-D-+

Search for a Charmonium Assignment for the X(3872)

Measurement of phi_3 with Dalitz Plot Analysis of B->D(*)K Decay

Observation of the decay $\psip\rar\kstark$

Evidence for f0(980)f0(980) production in chi_c0 decays

Study of psi(2S) decays to X J/psi

ψ(2S) Decays into $\J$ plus Two Photons

Search for the Pentaquark State in ψ(2S) and J/ψ Decays to KS0​pK−nˉ and KS0​pˉ​K+n

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

Determination of BR(chi_{cJ} --> p \bar{p}) in psi(2S) decays

Resonances in $J / ψ \to ϕ π^{+} π^{-}$ and $ϕ K^{+} K^{-}$

Measurement of the final states $ω π^{0}$ , $ρ η$ , and $ρ η^{^{'}}$ from $\psip$ electromagnetic decays and $\ee$ annihilations

Measurement of masses and branching ratios of $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ baryons

Study of $J / ψ \to ω K^{+} K^{-}$

First Measurement of the Branching Ratio of $J / ψ \to γ f_{2} (1270) f_{2} (1270)$

Search for $B^{0} \to p p ˉ$ , $Λ Λ ˉ$ and $B^{+} \to p Λ ˉ$ at Belle

Measurements of $ψ (2 S)$ decays into $ϕ π^{0}$ , $ϕ η$ , $ϕ η^{^{'}}$ , $ω η$ , and $ω η^{^{'}}$

Search for the Pentaquark State in $ψ (2 S)$ and $J / ψ$ Decays to $K_{S}^{0} p K^{-} n ˉ$ and $K_{S}^{0} p ˉ K^{+} n$

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