Cornell University

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2000 · hep-exShow all

31 papers · 2 filters

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★ 1 cited

A Biased Review of Tau Neutrino Mass Limits

J. Duboscq

After a quick review of astrophysically relevant limits, I present a summary of MeV scale tau neutrino mass limits derived from accelerator based experiments. I argue that the curr…

hep-ex2000★ 40 cited

Evidence of New States Decaying into $Ξ_{c}^{'} π$

S. E. Csorna, CLEO Collaboration

Using 13.7 $f b^{- 1}$ of data recorded by the CLEO detector at CESR, we report evidence for two new charmed baryons: one decaying into $Ξ_{c}^{0'} π^{+}$ with the subsequent decay…

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★ 12 cited

Measurement of the $Λ_{c}^{+}$ Lifetime

A. H. Mahmood, CLEO Collaboration

The $Λ_{c}^{+}$ lifetime is measured using 9.0 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected on or just below the $Υ (4 S)$ resonance with the CLEO II.V detector at CESR. Using a…

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

Search for a Scalar Bottom Quark with Mass 3.5-4.5 GeV/ $c^{2}$

V. Savinov, CLEO Collaboration

We report on a search for a supersymmetric $B ~$ meson with mass between 3.5 and 4.5 GeV/ $c^{2}$ using 4.52 $fb^{- 1}$ of integrated luminosity produced at $\sqrt{s}=10.52…

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★ 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★ 55 cited

Bounds on the CP Asymmetry in $b \to s γ$ Decays

CLEO Collaboration, T. E. Coan

We have measured the CP asymmetry A_CP = [BF(b -> s gamma) - BF(bbar -> sbar gamma)]/ [BF(b -> s gamma) + BF(bbar -> sbar gamma)] to be A_CP = (-0.079 +/- 0.108 +/- 0.022)(1.0 +/-…

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★ 83 cited

Improved Measurement of the Positive Muon Anomalous Magnetic Moment

H. N. Brown

A new measurement of the positive muon's anomalous magnetic moment has been made at the Brookhaven Alternating Gradient Synchrotron using the direct injection of polarized muons in…

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★ 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★ 21 cited

First Observation of the $Σ_{c}^{*+}$ Baryon and a New Measurement of the $Σ_{c}^{+}$ Mass

R. Ammar, CLEO Collaboration

Using data recorded with the CLEO II and CLEO II.V detector configurations at the Cornell Electron Storage Rings, we report the first observation and mass measurement of the $Σ_c^{…

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★ 9 cited

Study of exclusive two-body B0 meson decays to charmonium

P. Avery

We present a study of three B0 decay modes useful for time-dependent CP asymmetry measurements. From a sample of 9.7 million B meson pairs collected with the CLEO detector, we have…

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…

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

A Biased Review of Tau Neutrino Mass Limits

Evidence of New States Decaying into Ξc′​π

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

Measurement of the Λc+​ Lifetime

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

Search for a Scalar Bottom Quark with Mass 3.5-4.5 GeV/c2

Observation of the Ωc0​ Charmed Baryon at CLEO

Study of τ Decays to Six Pions and Neutrino

Bounds on the CP Asymmetry in b→sγ Decays

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

Improved Measurement of the Positive Muon Anomalous Magnetic Moment

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

A Search for B→τν

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}

First Observation of the Σc∗+​ Baryon and a New Measurement of the Σc+​ Mass

Study of B Decays to Charmonium States B→ηc​K and B→χC0​K

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

Measurements of the Mass, total Width and Two-Photon Partila Width of the ηc​ Meson

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

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

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

Study of exclusive two-body B0 meson decays to charmonium

Measurements of Charm Fragmentation into Ds∗+​ and Ds+​ in e+e− Annihilations at s​=10.5 GeV

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

Evidence of New States Decaying into $Ξ_{c}^{'} π$

Measurement of the $Λ_{c}^{+}$ Lifetime

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

Search for a Scalar Bottom Quark with Mass 3.5-4.5 GeV/ $c^{2}$

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

Study of $τ$ Decays to Six Pions and Neutrino

Bounds on the CP Asymmetry in $b \to s γ$ Decays

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

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

A Search for $B \to τ ν$

First Observation of the $Σ_{c}^{*+}$ Baryon and a New Measurement of the $Σ_{c}^{+}$ Mass

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

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

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

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

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