A. Undrus

activity

19962020

most citedBranching Fraction and Photon Energy Spectrum b -> s gamma

428 citations · 3.3k across the 81 of their papers we have counts for

collaborators

Showing 2000Show all

24 papers · 1 filter

hep-ex2000★ 32 cited

Search for CP Violation in $D^{0} \to K_{S}^{0} π^{0}$ , $D^{0} \to π^{0} π^{0}$ and $D^{0} \to K_{S}^{0} K_{S}^{0}$

G. Bonvicini, CLEO Collaboration

We have searched for CP-violating asymmetries in neutral charm meson decays in 13.7 fb^-1 of e^+e^- collision data at sqrt{s} = 10.6 GeV with the CLEO detector. The measured asymme…

hep-ex2000★ 7 cited

A Measurement of the Decay Asymmetry Parameters in $Ξ_{c}^{0}\to \X^{-}π^{+}$

S. Chan, CLEO Collaboration

Using the CLEO II detector at the Cornell Electron Storage Ring we have measured the $Ξ_{c}^{0}$ decay asymmetry parameter in the decay $Ξ_{c}^{0} \to Ξ^{-} π^{+}$ . We find $α_{Ξ_c^{0}}…

hep-ex2000★ 129 cited

Dalitz Analysis of the Decay $D^{0} \to K^{-} π^{+} π^{0}$

S. Kopp, CLEO Collaboration

We use data collected with the CLEO II detector to perform a high-statistics measurement of the resonant substructure in $D^{0} \to K^{-} π^{+} π^{0}$ decays. We find the Dalitz Plot is well…

hep-ex2000★ 123 cited

Observation of New States Decaying into $Λ_{c}^{+} π^{-} π^{+}$

M. Artuso, CLEO Collaboration

Using 13.7 fb^{-1} of data recorded by the CLEO detector at CESR, we investigate the spectrum of charmed baryons which decay into Lambda_c^+ pi^- pi^+ and are more massive than the…

hep-ex2000★ 21 cited

Observation of the $Ω_{c}^{0}$ Charmed Baryon at CLEO

D. Cronin-Hennessy, CLEO Collaboration

The CLEO experiment at the CESR collider has used 13.7 fb $^{- 1}$ of data to search for the production of the $Ω_{c}^{0}$ (css-ground state) in $e^{+} e^{-}$ collisions at $\sqrt{s} \sim…

hep-ex2000★ 8 cited

Study of $B \to ψ (2 S) K$ and $B \to ψ (2 S) K^{*}$ (892) Decays

S. Richichi, CLEO Collaboration

Color-suppressed decays of $B$ mesons to final states with $ψ (2 S)$ mesons have been observed with the CLEO detector. The branching fractions for the decays $B^{+} \to ψ (2 S) K^{+}$ , $B^…

hep-ex2000★ 23 cited

Study of $τ$ Decays to Six Pions and Neutrino

A. Anastassov, CLEO Collaboration

The $τ$ decays to six-pion final states have been studied with the CLEO detector at the Cornell Electron Storage Ring. The measured branching fractions are ${\cal B}(τ^-\to 2π^-π^+…

hep-ex2000★ 12 cited

Study of $χ_{c 1}$ and $χ_{c 2}$ Meson Production in B Meson Decays

S. Chen, CLEO Collaboration

Using a sample of 9.7 million B meson pairs collected with the CLEO detector, we study B decays to the chi_c1 and chi_c2 charmonia states, which are reconstructed via their radiati…

hep-ex2000★ 37 cited

First Observation of the Decays $B^{0} \to D^{-} p p ˉ π^{+}$ and B^{0}\to D^{-}p\bar{n}$

S. Anderson, CLEO Collaboration

We report the first observation of exclusive decays of the type B to D^* N anti-N X, where N is a nucleon. Using a sample of 9.7 times 10^{6} B-Bbar pairs collected with the CLEO d…

hep-ex2000★ 15 cited

Measurements of B --> D_s^{()+} D^{(*)} Branching Fractions

S. Ahmed, CLEO Collaboration

This article describes improved measurements by CLEO of the $B^{0} \to D_{s}^{+} D^{*-}$ and $B^{0} \to D_{s}^{*+} D^{*-}$ branching fractions, and first evidence for the decay $B^+ \to D_s^…

hep-ex2000★ 23 cited

A Search for $B \to τ ν$

T. E. Browder, CLEO Collaboration

We report results of a search for $B \to τ ν$ in a sample of 9.7 million charged $B$ meson decays. The search uses both $π ν$ and $ℓ ν ν ˉ$ decay modes of the $τ$ , and demands exclu…

hep-ex2000★ 24 cited

Search for Decays of B^{0} Mesons into Pairs of Leptons: B{0} -> e^{+}e^{-}, B^{0} -> μ^{+}μ^{-} and B^{0} -> e^{\pm}μ^{\mp}

T. Bergfeld, CLEO Collaboration

We search for the decays of the $B^{0}$ meson into $e^{+} e^{-}$ , $μ^{+} μ^{-}$ $e^{\pm} μ^{\mp}$ pairs in a sample of $9.7 \times 1 0^{6}$ $B B ˉ$ pairs recorded by CLEO detector. No signal is…

hep-ex2000★ 64 cited

Study of B Decays to Charmonium States $B \to η_{c} K$ and $B \to χ_{C 0} K$

K. W. Edwards, CLEO Collaboration

In a sample of $9.66 \times 1 0^{6} B B ˉ$ pairs collected with the CLEO detector we make the first observation of B decays to an $η_{c}$ and a kaon. We measure branching fractions $B…

hep-ex2000★ 40 cited

Measurement of the Relative Branching Fraction of $Υ (4 S)$ to Charged and Neutral B-Meson Pairs

J. P. Alexander, CLEO Collaboration

We analyze 9.7 x 10^6 B\bar{B}$ pairs recorded with the CLEO detector to determine the production ratio of charged to neutral B-meson pairs produced at the Y(4S) resonance. We meas…

hep-ex2000★ 22 cited

Measurements of the Mass, total Width and Two-Photon Partila Width of the $η_{c}$ Meson

G. Brandenburg, CLEO Collaboration

Using 13.4 $f b^{- 1}$ of data collected with the CLEO detector at the Cornell Electron Storage Ring, we have observed 300 events for the two-photon production of ground-state pseudo…

hep-ex2000★ 93 cited

Study of Charmless Hadronic B Meson Decays to Pseudoscalar-Vector Final States

C. P. Jessop, CLEO Collaboration

We report results of searches for charmless hadronic B meson decays to pseudoscalar(pi^+-,K^+-,Pi^0 or Ks^0)-vector(Rho, K* or Omega) final states. Using 9.7 million BBbar pairs co…

hep-ex2000★ 18 cited

Precise Measurement of $B^{0}\to \bar{B^{0}$ Mixing Parameters at the $Υ ($ S)$

B. H. Behrens, CLEO Collaboration

We describe a measurement of B^0-B^0bar mixing parameters exploiting a method of partial reconstruction of the decay chains B0 -> D^{*-}π^+ and B0 -> D^{*-}ρ^+. Using 9.6 x 10^6 BB…

hep-ex2000★ 1 cited

Measurement of the product branching fraction B(c->Theta_c)*B(Theta_c->/\X)

R. Ammar

Based on an a high statistics e+e- -> ccbar data sample, we report on the inclusive rate for charmed baryons to decay into / particles using charm-event tagging. We select e+e- ->…

hep-ex2000★ 10 cited

Measurements of Charm Fragmentation into $D_{s}^{*+}$ and $D_{s}^{+}$ in $e^{+} e^{-}$ Annihilations at $s$ =10.5 GeV

R. A. Briere, CLEO Collaboration

A study of charm fragmentation into $D_{s}^{*+}$ and $D_{s}^{+}$ in $e^{+} e^{-}$ annihilations at $s$ =10.5 GeV is presented. This study using $4.72 \pm 0.05$ fb $^{- 1}$ of CLEO II data…

hep-ex2000★ 24 cited

Resonance structure of tau->Kpipi decays

D. A. Asner

Using a sample of 4.7/fb integrated luminosity accumulated with the CLEO II detector at the Cornell Electron Storage Ring (CESR), we investigate the mass spectrum and resonant stru…

hep-ex2000★ 11 cited

Measurement of B(/\c->pKpi)

D. E. Jaffe

The /\c->pKpi yield has been measured in a sample of two-jet continuum events containing a both an anticharm tag (Dbar) as well as an antiproton (e+e- -> Dbar pbar X), with the ant…

hep-ex2000★ 8 cited

Measurement of the B0 and B+ meson masses from B0 -> psi(') K_S and B+ -> psi(') K+ decays

S. E. Csorna

Using 9.6 million B meson pairs collected with the CLEO detector, we have fully reconstructed 135 B0 -> psi(') K_S and 526 B+ -> psi(') K+ candidates with very low background. We f…

hep-ex2000★ 99 cited

Search for D0-D0B Mixing

R. Godang, CLEO Collaboration

We report on a search for D0-D0B mixing made by studying the `wrong-sign' process D0->K^+pi^-. The data come from an integrated luminosity of 9.0 1/fb of e^+e^- collisions at s^(1/…

hep-ex2000★ 16 cited

High Precision Mass Measurements in $Ψ$ and $Υ$ Families Revisited

OLYA, MD-1 Collaborations, : +3

High precision mass measurements in $Ψ$ and $Υ$ families performed in 1980-1984 at the VEPP-4 collider with OLYA and MD-1 detectors are revisited. The corrections for the new value…

Search for CP Violation in D0→KS0​π0, D0→π0π0 and D0→KS0​KS0​

A Measurement of the Decay Asymmetry Parameters in $Ξ_{c}^{0}\to \X^{-}π^{+}$

Dalitz Analysis of the Decay D0→K−π+π0

Observation of New States Decaying into Λc+​π−π+

Observation of the Ωc0​ Charmed Baryon at CLEO

Study of B→ψ(2S)K and B→ψ(2S)K∗(892) Decays

Study of τ Decays to Six Pions and Neutrino

Study of χc1​ and χc2​ Meson Production in B Meson Decays

First Observation of the Decays B0→D∗−ppˉ​π+ and B^{0}\to D^{*-}p\bar{n}$

Measurements of B --> D_s^{(*)+} D^{*(*)} Branching Fractions

A Search for B→τν