Cornell University

output

19912026

researchers with a paper here

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

collaborating institutions

Showing 1999 · hep-exShow all

15 papers · 2 filters

hep-ex1999★ 97 cited

Two-body B Meson Decays to eta and eta': Observation of B->eta K*

The CLEO Collaboration, S. J. Richichi

In a sample of 19 million produced B mesons, we have observed the decays B -> eta K* and improved our previous measurements of B -> eta'K. The branching fractions we measure for th…

hep-ex1999

Semileptonic B Decays from CLEO

Karl M. Ecklund

I report results in semileptonic decays of B mesons from the CLEO collaboration, with a focus on recent results. Results for exclusive reconstruction of B -> D* l nu, B -> D l nu a…

hep-ex1999★ 134 cited

Study of Exclusive Radiative B Meson Decays

CLEO Collaboration

We have investigated exclusive, radiative B meson decays to charmless mesons (ρ, ω, ϕ, K^*(892), K^*_2(1430)) in 9.7\times 10^6 BBbar decays accumulated with the CLEO detector. The…

hep-ex1999★ 68 cited

Update of the Search for the Neutrinoless Decay $τ \to μ γ$

S. Ahmed, CLEO Collaboration

We present an update of the search for the lepton family number violating decay tau -> mu gamma using 12.6 million tau+tau- pairs collected with the CLEO detector. No evidence of a…

hep-ex1999★ 15 cited

Observation of Radiative Leptonic Decay of the Tau Lepton

T. Bergfeld, CLEO Collaboration

Using 4.68 fb^{-1} of e^+e^- annihilation data collected with the CLEO II detector at the Cornell Electron Storage Ring (CESR) we have studied tau radiative decays tau -> mu nu nu…

hep-ex1999★ 19 cited

Structure Functions in the Decay $τ^{\mp} \to τ^{\mp} π^{0} π^{0} ν_{τ}$

T. E. Browder, CLEO Collaboration

Using the CLEO II detector operating at the CESR e+e- collider, we have measured the structure functions in the decay tau+/- --> pi+/- pi0 pi0 nu, based on a sample corresponding t…

hep-ex1999★ 68 cited

Update of the Search for the Neutrinoless Decay $τ \to μ γ$

A. Anastassov, CLEO Collaboration

We present an update of the search for the lepton family number violating decay $τ \to μ γ$ using a complete CLEO II data sample of 12.6 million $τ^{+} τ^{-}$ pairs. No evidence of a sign…

hep-ex1999★ 70 cited

Resonant Structure of $τ \to 3 π π^{0} ν_{τ}$ and $τ \to ω π ν_{τ}$ Decays

K. W. Edwards, CLEO Collaboration

The resonant structure of the four pion final state in the decay $τ \to 3 π π^{0} ν_{τ}$ is analyzed using 4.27 million $τ^{+} τ^{-}$ pairs collected by the CLEO II experiment. We search for se…

hep-ex1999★ 27 cited

Observation of a Broad L=1 $c q ˉ$ State in $B^{-} \to D^{*+} π^{-} π^{-}$ at CLEO

S. Anderson, CLEO Collaboration

Using 4.7 fb^-1 of data taken at CESR at energies at and near the Upsilon(4S) we have studied the decay B- -> D{*+}pi-pi- (and its conjugate). We observe a new, broad charmed meson…

hep-ex1999★ 10 cited

Charged Track Multiplicity in B Meson Decay

G. Brandenburg, CLEO Collaboration

We have used the CLEO II detector to study the multiplicity of charged particles in the decays of B mesons produced at the $Υ (4 S)$ resonance. Using a sample of 1.5 x 10^6 B meson p…

hep-ex1999★ 32 cited

Rare Decays of the $η^{^{'}}$

R. A. Briere

We have searched for the rare decays of the eta prime meson to e+ e- eta, e+ e- pizero, e+ e- gamma, and e mu in hadronic events at the CLEO II detector. The search is conducted on…

hep-ex1999★ 55 cited

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

J. P. Alexander

Using data recorded by the CLEO II detector at CESR, we report evidence for two new charmed baryons, one decaying into $Ξ_{c}^{+} π^{+} π^{-}$ via an intermediate $Ξ_{c}^{* 0}$ , and its isospin…

hep-ex1999★ 125 cited

Hadronic Structure in the Decay $τ^{-} \to ν_{τ} π^{-} π^{0} π^{0}$ and the Sign of the Tau Neutrino Helicity

D. Asner

Based on a sample corresponding to 4.3 million produced tau-pair events, we have studied hadronic dynamics in the decay tau- --> nu_tau pi- pi0 pi0 in data recorded by the CLEO II…

hep-ex1999★ 17 cited

Search for Baryon and Lepton Number Violating Decays of the $τ$ Lepton

R. Godang

We have searched for five decay modes of the tau lepton that simultaneously violate lepton and baryon number: tau -> anti-proton gamma, tau -> anti-proton pi0, tau -> anti-proton e…

hep-ex1999★ 25 cited

Measurement of Charm Meson Lifetimes

G. Bonvicini

We report measurements of the $D^{0}, D^{+}$ , and $D_{s}^{+}$ meson lifetimes using $3.7 f b^{- 1}$ of e^+e^- annihilation data collected near the $Υ (4 S)$ resonance with the CLEO detector. T…

Two-body B Meson Decays to eta and eta': Observation of B->eta K*

Semileptonic B Decays from CLEO

Study of Exclusive Radiative B Meson Decays

Update of the Search for the Neutrinoless Decay τ→μγ

Observation of Radiative Leptonic Decay of the Tau Lepton

Structure Functions in the Decay τ∓→τ∓π0π0ντ​

Update of the Search for the Neutrinoless Decay τ→μγ

Resonant Structure of τ→3ππ0ντ​ and τ→ωπντ​ Decays

Observation of a Broad L=1 cqˉ​ State in B−→D∗+π−π− at CLEO

Charged Track Multiplicity in B Meson Decay

Rare Decays of the η′

Evidence of New States Decaying into Ξc∗​π

Hadronic Structure in the Decay τ−→ντ​π−π0π0 and the Sign of the Tau Neutrino Helicity

Search for Baryon and Lepton Number Violating Decays of the τ Lepton

Measurement of Charm Meson Lifetimes

Update of the Search for the Neutrinoless Decay $τ \to μ γ$

Structure Functions in the Decay $τ^{\mp} \to τ^{\mp} π^{0} π^{0} ν_{τ}$

Update of the Search for the Neutrinoless Decay $τ \to μ γ$

Resonant Structure of $τ \to 3 π π^{0} ν_{τ}$ and $τ \to ω π ν_{τ}$ Decays

Observation of a Broad L=1 $c q ˉ$ State in $B^{-} \to D^{*+} π^{-} π^{-}$ at CLEO

Rare Decays of the $η^{^{'}}$

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

Hadronic Structure in the Decay $τ^{-} \to ν_{τ} π^{-} π^{0} π^{0}$ and the Sign of the Tau Neutrino Helicity

Search for Baryon and Lepton Number Violating Decays of the $τ$ Lepton