Showing 2004 · hep-exShow all

21 papers · 2 filters

hep-ex2004★ 24 cited

CKM Results From CLEO

Karl M. Ecklund

I present recent CLEO measurements of inclusive semileptonic B decay spectra and the branching fraction. I also report preliminary results from a combined fit to spectral moments,…

hep-ex2004★ 43 cited

Measuring cal B(D^+ --> mu^+ nu) and the Pseudoscalar Decay Constant f_D^+

G. Bonvicini, CLEO Collaboration

In 60 inverse-pb of data taken on the psi(3770) resonance with the CLEO-c detector, we find 8 D+ -> mu+ nu decay candidates that are mostly signal, containing only 1 estimated back…

hep-ex2004★ 55 cited

Photon transitions in Upsilon(2S) and Upsilon(3S)

M. Artuso

We have studied the inclusive photon spectra in Upsilon(2S) and Υ(3S) decays using a large statistics data sample obtained with the CLEO III detector. We present the most precise m…

hep-ex2004★ 15 cited

A New Measurement of the Masses and Widths of the Sigma_c^*++ and Sigma_c^*0 Charmed Baryons

S. B. Athar

Using data recorded by the CLEO III detector at CESR, we have made measurements of some properties of the Sigma_c^{*++} and Sigma_c^{*0} charmed baryons. In particular: Gamma(Sigma…

hep-ex2004

Precision Measurements of the Semileptonic Charm Decays and

F. Liu

We investigate the decays and , where is or , using approximately 7 of data collected with the CLEO III detecto…

hep-ex2004

Measurements of Absolute Branching Fractions for Exclusive Semileptonic Decays

F. Liu

Based on a data sample of 60 pb collected at the resonance with the CLEO-c detector at CESR, we present improved measurements of absolute branching fractions for e…

hep-ex2004★ 19 cited

Search for X(3872) in gamma gamma Fusion and ISR at CLEO

S. Dobbs, CLEO Collaboration

We report on a search for the recently reported X(3872) state using 15.1 fb^{-1} e+ e- data taken in the \sqrt{s} = 9.46-11.30 GeV region. Separate searches for the production of X…

hep-ex2004★ 26 cited

Measurement of the Muonic Branching Fractions of the Narrow Upsilon Resonances

G. S. Adam, CLEO Collaboration

The decay branching fractions of the three narrow Upsilon resonances to mu+ mu- have been measured by analyzing about 4.3 1/fb e+e- data collected with the CLEO III detector. The b…

hep-ex2004★ 48 cited

Photon Transitions in ψ(2S) Decays to χ_{cJ}(1P) and η_c(1S)

S. B. Athar

We have studied the inclusive photon spectrum in psi(2S) decays using the CLEO III detector. We present the most precise measurements of electric dipole (E1) photon transition rate…

hep-ex2004★ 33 cited

Evidence for B^(*)_s bar{B}^(*)_s Production at the Upsilon(5S)

D. M. Asner, CLEO Collaboration

Using data collected by the CLEO III detector at CESR, we started a series of investigations on the Upsilon(5S) resonance decay properties. The data sample used for this analysis c…

hep-ex2004★ 11 cited

Search for the Lepton-Flavor-Violating Leptonic B Decays B^0 -> μ^\pm τ^\mp and B^0 -> μ^\pm τ^\mp

A. Bornheim, CLEO Collaboration

We have searched a sample of 9.6 million BBbar events for the lepton-flavor-violating leptonic B decays, B^0 -> μ^\pm τ^\mp and B^0 -> e^\pm τ^\mp. The τ-lepton was detected throug…

hep-ex2004★ 50 cited

Study of Semileptonic Charm Decays D^0 --> pi^- ell^+ nu and D^0 --> K^- ell^+ nu

G. S. Huang

We investigate the decays D^0 --> pi^- l^+ nu and D^0 --> K^- l^+ nu, where l = e or mu, using approximately 7 fb^{-1} of data collected with the CLEO III detector. We find R_0 = B…

hep-ex2004★ 42 cited

Observation of 1^-0^- Final States from psi(2S) Decays and e^+e^- Annihilation

N. E. Adam, CLEO Collaboration

Using CLEO data collected from CESR e+e- collisions at the Psi(2S) resonance and nearby continuum at E_CM=3.67GeV, we report the first significantly non-zero measurements of light…

hep-ex2004★ 36 cited

First Observation and Dalitz Analysis of the D^0 --> K_S^0 eta pi^0 Decay

P. Rubin

Using 9.0/fb of integrated luminosity in e+e- collisions near Upsilon(4S) mass collected with the CLEO II.V detector we report the first observation of the decay D0 -> K0S ETA PI0…

hep-ex2004★ 74 cited

First Observation of a Upsilon(1D) State

G. Bonvicini, CLEO Collaboration

We present the first evidence for the production of Upsilon(1D) states in the four-photon cascade, Upsilon(3S)-->gamma chib(2P), chib(2P)-->gamma Upsilon(1D), Upsilon(1D)-->gamma c…

hep-ex2004★ 40 cited

Measurement of the B-Meson Inclusive Semileptonic Branching Fraction and Electron-Energy Moments

A. H. Mahmood, CLEO Collaboration

We report a new measurement of the B-meson semileptonic decay momentum spectrum that has been made with a sample of 9.4/fb of electron-positron annihilation data collected with the…

hep-ex2004★ 111 cited

Exotic Meson Production in the System observed in the Reaction at 18 GeV/c

J. Kuhn

This letter reports results from the partial wave analysis of the final state in collisions at 18GeV/c. Strong evidence is observed for production of tw…

hep-ex2004★ 864 cited

Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm

G. W. Bennett

The anomalous magnetic moment of the negative muon has been measured to a precision of 0.7 parts per million (ppm) at the Brookhaven Alternating Gradient Synchrotron. This result i…

hep-ex2004★ 4 cited

The status of |Vub|

Lawrence Gibbons

I survey the theoretical and experimental information available for determination of |Vub| with inclusive and exclusive techniques. Using recent experimental and theoretical advanc…

hep-ex2004★ 70 cited

Charm Meson Spectra in e^+e^- Annihilation at 10.5 GeV c.m.e

M. Artuso

Using the CLEO detector at the Cornell Electron-positron Storage Ring, we have measured the scaled momentum spectra, dsigma/dx_p, and the inclusive production cross sections of the…

hep-ex2004★ 29 cited

Wess-Zumino Current and the Structure of the Decay tau^- to K^-K^+ pi^- nu_tau

T. E. Coan, CLEO Collaboration

We present the first study of the vector (Wess-Zumino) current in tau^-\to K^-pi^-K^+ν_τdecay using data collected with the CLEO III detector at the Cornell Electron Storage Ring.…