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 2006Show all

20 papers · 1 filter

hep-ex2006★ 48 cited

Study of $B^{0} ˉ \to D^{0} π^{+} π^{-}$ decays

The Belle Collaboration, A. Kuzmin

We report the results of a study of neutral B meson decays to the D^0 pi+ pi- final state, where the D^0 is fully reconstructed. The results are obtained from an event sample conta…

hep-ex2006★ 54 cited

Production of $σ$ in $ψ (2 S) \to π^{+} π^{-} J / ψ$

BES Collaboration, M. Ablikim

Using 14M $ψ (2 S)$ events accumulated by BESII at the BEPC, a Covariant Helicity Amplitude Analysis is performed for $ψ (2 S) \to π^{+} π^{-} J / ψ, J / ψ \to μ^{+} μ^{-}$ . The $π^{+} π^{-}$ mass spectrum,…

hep-ex2006★ 60 cited

Dalitz Analysis of Three-body Charmless B0=>K0pi+pi- Decay

A. Garmash

We report results of a Dalitz plot analysis of the three-body charmless B0=>K0pi+pi- decay. The analysis is performed with a data sample that contains 388 million BBbar pairs colle…

hep-ex2006★ 28 cited

Measurements of psi(2S) decays to octet baryon-antibaryon pairs

The BES Collaboration, M. Ablikim

With a sample of 14 million psi(2S) events collected by the BESII detector at the Beijing Electron Positron Collider (BEPC), the decay channels psi(2S)->p p-bar, Lambda Lambda-bar,…

hep-ex2006★ 99 cited

High statistics study of f_0(980) resonance in gamma gamma --> pi^+ pi^- production

The Belle Collaboration, K. Abe

We report on a high statistics measurement of the cross section of the process gamma gamma to pi^+ pi^- in the center-of-mass energy range 0.8 GeV/c^2 < W < 1.5 GeV/c^2 with 85.9 f…

hep-ex2006★ 4 cited

Improved measurement of $ψ (2 S)$ decays into $τ^{+} τ^{-}$

BES Collaboration, M. AblikimJ

Using 14M $ψ (2 S)$ events collected at BESII, the branching fraction of $ψ (2 S) \to τ^{+} τ^{-}$ is measured to be $B r_{τ τ} = (3.10 \pm 0.21 \pm 0.38) \times 1 0^{- 3}$ , where the first error…

hep-ex2006★ 12 cited

Observation of the decay $B^{0} \to J / ψ η$

M. -C. Chang

We report the first observation of $B^{0} \to J / ψ η$ decay. These results are obtained from a data sample that contains 449 million $B B ˉ$ pairs accumulated at the $Υ (4 S)$ resonan…

hep-ex2006★ 25 cited

Improved measurements of branching fractions for B -> K pi and B -> pi pi decays

S. -W. Lin, P. Chang

We report improved measurements of branching fractions for B -> K pi and B -> pi pi decays based on a data sample of 449 million B Bbar pairs collected at the Upsilon(4S) resonance…

hep-ex2006★ 42 cited

Measurement of inclusive $D_{s}$ , $D^{0}$ , and $J / ψ$ rates and determination of the $B_{s}^{()} B ˉ_{s}^{()}$ production fraction in $b b ˉ$ events at the Y(5S) resonance

A. Drutskoy

The inclusive production of $D_{s}$ , $D^{0}$ , and $J / ψ$ mesons is studied using a 1.86 fb $^{- 1}$ data sample collected on the $Υ$ (5S) resonance by the Belle detector at the KEKB asymme…

hep-ex2006★ 11 cited

Measurements of $\psip$ decays into $γ K K ˉ π$ and $γη\pipi$

M. Ablikim

Radiative decays of the $\psip$ into $γ K K ˉ π$ and $γη\pipi$ final states are studied using 14 million $\psip$ events collected with the BESII detector. Branching fractions or u…

hep-ex2006★ 17 cited

Improved Measurements of Color-Suppressed Decays B0bar -> D0 pi0, D0 eta, D0 omega, D0 pi0, D0 eta and D*0 omega

S. Blyth

We present improved measurements of the branching fractions of the color-suppressed decays $B ˉ^{0} \to D^{(*) 0} h^{0}$ where $h^{0}$ represents a light neutral meson $π^{0}$ , $η…

hep-ex2006★ 248 cited

Observation of New States Decaying into $Λ_{c}^{+} K^{-} π^{+}$ and $Λ_{c}^{+} K_{S}^{0} π^{-}$

R. Chistov

We report the first observation of two charmed strange baryons that decay into $Λ_{c}^{+} K^{-} π^{+}$ . The broader of the two states is measured to have a mass of $2978.5 \pm 2.1 \pm 2.0$ Me…

hep-ex2006★ 38 cited

Observation of a broad 1^-- resonant structure around 1.5 GeV/ $c^{2}$ in the K^+K^- mass spectrum in J/psi --> K^+K^-pi^0

BES Collaboration, M. Ablikim

A broad peak is observed at low K^+K^- invariant mass in J/psi --> K^+K^-pi^0 decays found in a sample of 5.8\times 10^7 J/psi events collected with the BESII detector. A partial w…

hep-ex2006★ 15 cited

Study of J/psi to p pbar, Lambda Lambdabar and observation of eta_c to Lambda Lambdabar at Belle

C. -H. Wu, M. -Z. Wang

We study the baryonic charmonium decays of B mesons, B+ to etac K+ and B+ to J/psi K+, where the etac and J/psi subsequently decay into a p pbar or Lambda Lambdabar pair. We measur…

hep-ex2006★ 38 cited

Pseudoscalar production at omega omega threshold in J/psi -> gamma omega omega

Bes Collaboration

The decay channel J/ψ->gamma omega omega, omega -> pi+ pi- pi0 is analyzed using a sample of 5.8x10^7 J/psi events collected with the BESII detector. The omega omega invariant mass…

hep-ex2006★ 13 cited

First observation of $ψ (2 S) \to p n ˉ π^{-} + c . c .$

M. Ablikim, BES Collaboration

Using 14 million $ψ (2 S)$ events collected with the Beijing Spectrometer (BESII) at the Beijing Electron-Positron Collider, the branching fractions of $ψ (2 S)$ decays to $p \bar{n} π…

hep-ex2006★ 31 cited

Measurements of CP Violation in $B^{0} \to D^{*-} π^{+}$ and $B^{0} \to D^{-} π^{+}$ Decays

The Belle Collaboration, F. J. Ronga

We report measurements of time dependent decay rates for $B^{0} \to D^{(*) -} π^{+}$ decays and extraction of CP violation parameters that depend on $ϕ_{3}$ . Using fully reconstructed $D^{…

hep-ex2006★ 226 cited

Evidence of the Purely Leptonic Decay B- --> tau- nu_tau-bar

K. Ikado

We present the first evidence of the decay B- --> tau- nu_tau-bar using 414 fb^-1 of data collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-ener…

hep-ex2006★ 50 cited

Study of B+- --> D_CP K+- and D^*_CP K+- decays

K. Abe

We report a study of the modes D_CP K+- and D^*_CP K+- where D^(*) decays to CP eigenstates. The data sample used contains 275 x 10^6 BB events at the Upsilon(4S) resonance collect…

hep-ex2006★ 7 cited

Measurement of chi_cJ Decays to 2(pi^+pi^-)ppbar Final States

M. Ablikim

Using chi_cJ -> 2(π^+π^-) ppbar decays from 14 \times 10^6 psi(2S) events accumulated by the BESII detector at the BEPC, the intermediate states Xi^+Xi^-, Lambda Lambdabar pi^+ pi^…

Study of B0ˉ→D0π+π− decays

Production of σ in ψ(2S)→π+π−J/ψ

Dalitz Analysis of Three-body Charmless B0=>K0pi+pi- Decay

Measurements of psi(2S) decays to octet baryon-antibaryon pairs

High statistics study of f_0(980) resonance in gamma gamma --> pi^+ pi^- production

Improved measurement of ψ(2S) decays into τ+τ−

Observation of the decay B0→J/ψη