Showing 2003 · hep-exShow all

19 papers · 2 filters

hep-ex2003

Recent CLEO CKM Results

Karl M. Ecklund

I report B physics results from the CLEO collaboration, highlighting measurements of the Cabibbo-Kobayashi-Maskawa matrix elements |Vcb| and |Vub|. I report a recent measurement of…

hep-ex2003

|Vcb|, |Vub|, and Hqet at Cleo

Karl M. Ecklund

I report results from the CLEO collaboration on semileptonic B decays, highlighting measurements of the Cabibbo-Kobayashi-Maskawa matrix elements Vcb and Vub. I describe the techni…

hep-ex2003★ 102 cited

Observation of eta_c^{prime} Production in gamma gamma Fusion at CLEO

D. M. Asner, CLEO Collaboration

We report on the observation of the eta_{c}^{prime}(2^{1}S_{0}), the radial excitation of eta_{c}(1^{1}S_{0}) ground state of charmonium, in the two-photon fusion reaction gamma ga…

hep-ex2003★ 138 cited

Photoproduction of eta mesons off protons for photon energies from 0.75 GeV to 3 GeV

Volker Crede, Olivia Bartholomy

Total and differential cross sections for the reaction p(gamma, eta)p have been measured for photon energies in the range from 750 MeV to 3 GeV. The low-energy data are dominated b…

hep-ex2003★ 30 cited

Search for CP Violation in D^0--> K_S^0 pi^+pi^-

D. M. Asner, CLEO Collaboration

We report on a search for CP violation in the decay of D0 and D0B to Kshort pi+pi-. The data come from an integrated luminosity of 9.0 1/fb of e+e- collisions at sqrt(s) ~ 10 GeV r…

hep-ex2003★ 11 cited

Cabibbo-Suppressed Decays of D^+ \to π^+π^0, K^+\bar{K}^0, K^+π^0

K. Arms

Using a 13.7 fb-1 data sample collected with the CLEO II and II.V detectors, we report new branching fraction measurements for two Cabibbo-suppressed decay modes of the D+ meson: B…

hep-ex2003★ 2 cited

Review of Two-Photon Interactions

David Urner

Presented are recent results of two-photon interactions. Topics inlcude photon structure functions, inclusive hadron production, differential cross sections derived from tagged 2-p…

hep-ex2003

CLEO results on |V_cb| and |V_ub|

Karl M. Ecklund

I report results from the CLEO collaboration on semileptonic B decays, highlighting measurements of the Cabibbo-Kobayashi-Maskawa matrix elements |V_cb| and |V_ub|. I describe the…

hep-ex2003

Heavy Quarkonia Spectroscopy and Decays

Hanna Mahlke

The experimental status of stable bound states made out of heavy quarks is reviewed. The need for a way to deal with the non-perturbative transitions involved calls for precision m…

hep-ex2003★ 3 cited

Measurement of the Decay Rate of Xi_c^0 --> pK^-K^-pi^+ Relative to Xi_c^0 --> Xi^-pi^+

I. Danko, CLEO Collaboration

Using the CLEOIII detector at CESR, we have measured the branching ratio of the decay Xic0 to pK-K-pi+ relative to Xic0 to Xi- pi+. We find B(Xic0 to pK-K-pi+)/B(Xic0 to Xi-pi+)= 0…

hep-ex2003★ 27 cited

Observation of the Hadronic Transitions Chi_{b 1,2}(2P) -> omega Upsilon(1S)

H. Severini

The CLEO Collaboration has observed the first hadronic transition among bottomonium (b bbar) states other than the dipion transitions among vector states, Upsilon(nS) -> pi pi Upsi…

hep-ex2003★ 246 cited

A new method of measuring electric dipole moments in storage rings

F. J. M. Farley, K. Jungmann, J. P. Miller +6

A new highly sensitive method of looking for electric dipole moments of charged particles in storage rings is described. The major systematic errors inherent in the method are addr…

hep-ex2003★ 7 cited

Search for Baryons in the Radiative Penguin Decay b--> s gamma

K. W. Edwards

We have searched for the baryon-containing radiative penguin decays B^- -> Λp-bar γand B^- -> Σ^0 p-bar γ, using a sample of 9.7 million BBbar events collected at the Υ(4S) with th…

hep-ex2003★ 5 cited

Search for B->pbar e nuebar X Decay using a Partial Reconstruction Method

N. E. Adam

Using data collected on the Upsilon(4S) resonance and the nearby continuum by the CLEO detector at the Cornell Electron Storage Ring, we have searched for the semileptonic decay of…

hep-ex2003★ 13 cited

Study of the Charmless Inclusive B -> eta' X Decay

the CLEO Collaboration, G. Bonvicini

Based on a measurement of high momentum eta' production in B decays, we determine the charmless inclusive B -> eta'X_(nc) branching fraction in the lab-frame momentum interval 2.0<…

hep-ex2003

Measurements of |Vub| and |Vcb| from CLEO

K. M. Ecklund

I report results from the CLEO collaboration on semileptonic B decays, highlighting measurements of the Cabibbo-Kobayashi-Maskawa matrix elements |Vub| and |Vcb|. I describe the te…

hep-ex2003★ 91 cited

Measurements of Charmless Hadronic Two-Body B Meson Decays and the Ratio cal B(B--> DK)/ cal B(B--> Dπ)

A. Bornheim

We present final measurements of thirteen charmless hadronic B decay modes from the CLEO experiment. The decay modes include the ten pipi, Kpi, and KKbar final states and new limit…

hep-ex2003★ 41 cited

Branching Fractions of tau Leptons to Three Charged Hadrons

R. A. Briere

From electron-positron collision data collected with the CLEO detector operating at CESR near \sqrt{s}=10.6 GeV, improved measurements of the branching fractions for tau decays int…

hep-ex2003★ 25 cited

Measurements of the Branching Fractions and Helicity Amplitudes in B --> D* rho Decays

CLEO Collaboration, S. E. Csorna

Using 9.1 fb-1 of e+ e- data collected at the Upsilon(4S) with the CLEO detector using the Cornell Electron Storage Ring, measurements are reported for both the branching fractions…