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Measurement of the Direct Photon Momentum Spectrum in Upsilon(1S), Upsilon(2S), and Upsilon(3S) Decays
D. Besson, CLEO Collaboration
Using data taken with the CLEO III detector at the Cornell Electron Storage Ring, we have investigated the direct photon spectrum in the decays Upsilon(1S) -> gggamma, Upsilon(2S)…
Di-electron Widths of the Upsilon(1S,2S,3S) Resonances
CLEO Collaboration, J. L. Rosner
We determine the di-electron widths of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) resonances with better than 2% precision by integrating the cross-section of e+e- -> Upsilon ov…
Measurement of Gamma_ee(J/psi), Gamma_tot(J/psi), and Gamma_ee[psi(2S)]/Gamma_ee(J/psi)
G. S. Adams, CLEO Collaboration
Using data acquired with the CLEO detector at the CESR e+e- collider at sqrt{s} = 3.773 GeV, we measure the cross section for the radiative return process e+e- --> gamma J/psi, J/p…
Radiative Decays of the Upsilon(1S) to gamma pi^0 pi^0, and gamma eta eta and gamma pi^0 eta
D. Besson, CLEO Collaboration
We report on a study of exclusive radiative decays of the Upsilon(1S) resonance into the final states gamma pi^0 pi^0, gamma eta eta and gamma pi^0 eta, using 1.13 inverse femto-ba…
Observation of B_s Production at the Upsilon(5S) Resonance
G. Bonvicini, CLEO Collaboration
Using the CLEO detector at the Cornell Electron Storage Ring, we have observed the Bs meson in e+e- annihilation at the Upsilon(5S) resonance. We find 14 candidates consistent with…
Search for Exclusive Multi-Body Non-DbarD Decays at the psi(3770)
G. S. Huang, CLEO Collaboration
Using data collected at the psi(3770) resonance with the CLEO-c detector at the Cornell e^+e^- storage ring, we present searches for 25 charmless decay modes of the psi(3770), most…
Decay of the psi(3770) to Light Hadrons
G. S. Adams, CLEO Collaboration
We describe a search for psi(3770) decay to two-body non-DDbar final states in e+e- data produced by the CESR collider and analyzed with the CLEO-c detector. Vector-pseudoscalar pr…
Improved Measurement of cal{B}(D^+ --> mu^+ nu) and the Pseudoscalar Decay Constant f_{D^+}
M. Artuso, CLEO Collaboration
We extract a relatively precise value for the decay constant of the D+ meson by measuring B(D+ -> mu+ nu)=(4.40 +/- 0.66 {+0.09}{-0.12}) x 10^{-4}, using 281 inverse-pb of data tak…
Observation of the ^1P_1 State of Charmonium
P. Rubin, CLEO Collaboration
The spin-singlet P-wave state of charmonium, hc(1P1), has been observed in the decay psi(2S) -> pi0 hc followed by hc -> gamma etac. Inclusive and exclusive analyses of the M(hc) s…
Search for Rare and Forbidden Decays D^+ --> h^pm e^mp e^+
Q. He
Using 0.8 million D^+D^- pairs collected with the CLEO-c detector at the psi(3770) resonance, we have searched for flavor-changing neutral current and lepton-number-violating decay…
Observation of h_c(^1P_1) State of Charmonium
J. L. Rosner, CLEO Collaboration
The h_c(1P1) state of charmonium has been observed in the reaction ψ(2S) -> \pi0 h_c -> (γγ)(γη_c) using 3.08 million ψ(2S) decays recorded in the CLEO detector. Data have been ana…
Branching Fraction Measurements of psi(2S) Decay to Baryon-Antibaryon Final States
T. K. Pedlar, CLEO Collaboration
Using 3.08 million psi(2S) decays observed in e^+e^- collisions by the CLEO detector, we present the results of a study of the psi(2S) decaying into baryon-antibaryon final states.…
Measurement of Absolute Hadronic Branching Fractions of D Mesons and e^+e^- --> D barD Cross Sections at E_cm = 3773 MeV
Q. He
Using 55.8 pb^-1 of e^+e^- collisions recorded at the psi(3770) resonance with the CLEO-c detector at CESR, we determine absolute hadronic branching fractions of charged and neutra…
Searches for CP Violation and ππS-Wave in the Dalitz-Plot Analysis of D0 --> π+π-\pi0
D. Cronin-Hennessy, CLEO Collaboration
In e+e- collisions recorded using the CLEO II.V detector we have studied the Cabibbo suppressed decay of D0 -> pi+pi-pi0 with the initial flavor of the D0 tagged by the decay D*+ -…
Search for D^0 - barD^0 Mixing in the Dalitz Plot Analysis of D^0 --> K_S^0 pi^+ pi^-
D. M. Asner, CLEO Collaboration
The resonant substructure in D0 --> K0S pi+ pi- decays is described by a combination of ten quasi two-body intermediate states which include both CP-even and CP-odd eigenstates and…
Measurement of the Branching Fractions for J/psi to ell^+ ell^-
Z. Li, CLEO Collaboration
We present measurements of the branching fractions for J/psi --> e+e- and mu+mu- using 3M psi(2S) decays collected with the CLEO detector operating at the CESR e+e- collider. We ob…
Improved Measurement of the Form Factors in the Decay Lambda_c^+ --> Lambda e^+ nu_e
J. W. Hinson, CLEO Collaboration
Using the CLEO detector at the Cornell Electron Storage Ring, we have studied the distribution of kinematic variables in the decay Lambda_c^+ -> Lambda e^+ nu_e. By performing a fo…