Emery Nordberg

activity

19941998

most citedMeasurements of the Meson-Photon Transition Form Factors of Light Pseudoscalar Mesons at Large Momentum Transfer

505 citations · 1.7k across the 37 of their papers we have counts for

collaborators

37 papers

hep-ex1998★ 54 cited

Observation of Two Narrow States Decaying into $Ξ_{c}^{+} γ$ and $Ξ_{c}^{0} γ$

C. P. Jessop

We report the first observation of two narrow charmed strange baryons decaying to $Ξ_{c}^{+} γ$ and $Ξ_{c}^{0} γ$ , respectively, using data from the CLEO II detector at CESR. We interpret th…

hep-ex1998★ 18 cited

First Observation of the Decay $τ^{-} \to K^{*-} η ν_{τ}$

M. Bishai

Using data recorded by the CLEO-II detector at CESR, we report the first measurement of the branching fraction for the decay of $τ^{-}$ into $K^{*-} η ν_{τ}$ . The measured branching frac…

hep-ex1998★ 17 cited

First Observation of $Υ (1 S) \to γ π π$

A. Anastassov

We report on a study of exclusive radiative decays of the Upsilon(1S) resonance collected with the CLEO-II detector operating at CESR. We present the first observation of the radia…

hep-ex1998★ 53 cited

Observation of High Momentum $η^{'}$ Production in B Decay

T. E. Browder

We report the first observation of $B \to η^{'} X$ transitions with high momentum $η^{'}$ mesons. We observe $39.0 \pm 11.6$ B decay events with $2.0 < p_{η^{'}} < 2.7$ GeV/c, the high momentu…

hep-ex1998★ 33 cited

First Observation of the Cabibbo Suppressed Decay $B^{+} \to D ˉ^{0} K^{+}$

M. Athanas

We have observed the decay of the $B^{-}$ meson into $D^{0} K^{-}$ , using 3.3 million $B B ˉ$ pairs collected with the CLEO II detector at the Cornell Electron Storage Ring. We find th…

hep-ex1998★ 26 cited

The Hadronic Transitions $U p s i l o n (2 S) \to U p s i l o n (1 S)$

J. Alexander

Using a data sample of $Υ (2 S)$ events collected with the CLEO II detector at the Cornell Electron Storage Ring, we have investigated the hadronic transitions between the $Υ (2 S)$ an…

hep-ex1998★ 87 cited

Two-Body B Meson Decays to $η$ and $η^{^{'}}$ -- Observation of $B \to η$ {'}K$

CLEO Collaboration, B. Behrens et al

In a sample of 6.6 million produced B mesons we have observed decays B -> eta' K, with branching fractions BR(B+ -> eta' K+ = 6.5 +1.5 -1.4 +- 0.9) x $1 0^{- 5}$ and BR(B0 -> eta' K0…

hep-ex1998★ 12 cited

Measurement of the Branching Ratios for the Decays of $D_{s}^{+} \to η π^{+}, η^{^{'}} π^{+}, η ρ^{+}$ , and $e t a^{^{'}} ρ^{+}$

CLEO Collaboration, C. P. Jessop et al

Using a data sample with integrated luminosity of about 3.9 fb^{-1} collected in e+ e- annihilation with the CLEO-II detector at the Cornell Electron Storage Ring, we have measured…

hep-ex1997★ 31 cited

New Limits for Neutrinoless Tau Decays

CLEO Collaboration, D. Bliss et al

Neutrinoless 3-prong tau lepton decays into a charged lepton and either two charged particles or one neutral meson have been searched for using 4.79 fb^{-1} of data collected with…

hep-ex1997★ 7 cited

Study of Semileptonic Decays of B Mesons to Charmed Baryons

CLEO Collaboration, G. Bonvicini et al

Using data collected by the CLEO II detector at the center-of-mass energy on or near the Upsilon(4S) resonance, we have determined the 90% confidence level upper limit B(Bbar --> L…

hep-ex1997★ 47 cited

Improved Measurement of the Pseudoscalar Decay Constant $f_{D_{s}}$

CLEO Collaboration, M. Chadha et al

We present a new determination of the Ds decay constant, f_{Ds} using 5 million continuum charm events obtained with the CLEO II detector. Our value is derived from our new measure…

hep-ex1997★ 18 cited

Observation of the Radiative Decay $D^{*+} \to D^{+} γ$

CLEO Collaboration, J. Bartelt et al

We have observed a signal for the decay D*+ -> D+ gamma at a significance of 4 standard deviations. From the measured branching ratio B(D*+ -> D+ gamma)/B(D*+ -> D+ pi0)=0.055 +- 0…

hep-ex1997★ 66 cited

Observation of Exclusive Two-Body B Decays to Kaons and Pions

CLEO Collaboration, R. Godang et al

We have studied two-body charmless hadronic decays of B mesons into the final states $π π$ , $K π$ , and $K K$ . Using 3.3 million $B B ˉ$ pairs collected with the CLEO-II detector,…

hep-ex1997★ 61 cited

Flavor-Specific Inclusive B Decays to Charm

CLEO Collaboration, T. E. Coan et al

We have measured the branching fractions for B -> D_bar X, B -> D X, and B -> D_bar X \ell^+ ν, where ``B'' is an average over B^0 and B^+, ``D'' is a sum over D^0 and D^+, and``D_…

hep-ex1997★ 44 cited

Search for Inclusive $b\to sl^{+]l^{-}$

CLEO Collaboration, S. Glenn et al

We have searched for the effective FCNC decays b->s l+l- using an inclusive method. We set upper limits on the branching ratios B(b->s e+e-) < 5.7 10^{-5}, B(b->s mu+mu-) < 5.8 10^…

hep-ex1997★ 18 cited

Search for Color-Suppressed $B$ Hadronic Decay Processes with CLEO

CLEO Collaboration, B. Nemati et al

Using 3.1 fb $^{- 1}$ of data accumulated at the $Υ$ (4S) by the CLEO-II detector, corresponding to 3.3 million $B B ˉ$ pairs, we have searched for the color-suppressed $B$ hadroni…

hep-ex1997★ 505 cited

Measurements of the Meson-Photon Transition Form Factors of Light Pseudoscalar Mesons at Large Momentum Transfer

CLEO Collaboration, J. Gronberg et al

Using the CLEO~II detector, we have measured the differential cross sections for exclusive two-photon production of light pseudoscalar mesons $π^{0}$ , $η$ , and $η^{'}$ . From our…

hep-ex1997★ 12 cited

Study of the Decay tau^- \to 2pi^- pi^+ 3pi^0 nu_{tau}$

CLEO Collaboration, S. Anderson et al

The decay tau- -> 2pi- pi+ 3pi0 nu_tau has been studied with the CLEO II detector at the Cornell Electron Storage Ring (CESR). The branching fraction is measured to be (2.85 +/- 0.…

hep-ex1997★ 10 cited

A New Upper Limit on the Decay $η \to e^{+} e^{-}$

CLEO Collaboration, T. Browder et al

We have searched for the rare decay of the eta meson $η \to e^{+} e^{-}$ using the CLEO II detector. The $η$ 's were produced in $e^{+} e^{-}$ collisions with 10 GeV center-of-mass ene…

hep-ex1997★ 19 cited

Measurement of the $B ˉ \to D ℓ ν ˉ$ Partila Width and Form Factor Parameters

CLEO Collaboration, M. Athans et al

We have studied the decay $B ˉ \to D ℓ ν ˉ$ , where $ℓ = eor μ$ . From a fit to the differential decay rate $d Γ/ d w$ we measure the rate normalization $F_{D} (1) ∣ V_{c b} ∣$ …

hep-ex1997★ 8 cited

Observation of the Decay $D_{s}^{+} \to ω π^{+}$

CLEO Collaboration, R. Balest et al

Using e+e- annihilation data collected by the CLEO~II detector at CESR, we have observed the decay Ds+ to omega pi+. This final state may be produced through the annihilation decay…

hep-ex1997★ 9 cited

First Observation of Inclusive $B$ Decays to the Charmed Strange Baryons $Ξ_{c}^{0}$ and $Ξ_{c}^{+}$

CLEO Collaboration, B. Barish et al

Using data collected in the region of the Upsilon(4S) resonance with the CLEO II detector operating at the Cornell Electron Storage Ring CESR, we present the first observation of B…

hep-ex1997★ 6 cited

Search for the Decays B^0 -> D^{()+} D^{()-}

CLEO Collaboration, D. M. Asner et al

Using the CLEO-II data set we have searched for the Cabibbo-suppressed decays B^0 -> D^{(*)+} D^{(*)-}. For the decay B^0 -> D^{*+} D^{*-}, we observe one candidate signal event, w…

hep-ex1997★ 21 cited

Search for Neutrinoless $τ$ Decays Involving $π^{0}$ or $η$ Mesons

CLEO Collaboration, G. Bonvicini et al

We have searched for lepton family number violating decays of the $τ$ lepton using final states with an electron or a muon and one or more $π^{0}$ or $η$ mesons but no neutrinos. The…

Observation of Two Narrow States Decaying into Ξc+​γ and Ξc0​γ

First Observation of the Decay τ−→K∗−ηντ​

First Observation of Υ(1S)→γππ

Observation of High Momentum η′ Production in B Decay

First Observation of the Cabibbo Suppressed Decay B+→Dˉ0K+

The Hadronic Transitions Upsilon(2S)→Upsilon(1S)

Two-Body B Meson Decays to η and η′ -- Observation of B→η{'}K$

Measurement of the Branching Ratios for the Decays of Ds+​→ηπ+,η′π+,ηρ+, and eta′ρ+