Showing 2002 · hep-exShow all

23 papers · 2 filters

hep-ex2002★ 17 cited

Measurement of Lepton Momentum Moments in the Decay bar{B} \to X \ell \barν and Determination of Heavy Quark Expansion Parameters and |V_cb|

A. H. Mahmood

We measure the primary lepton momentum spectrum in B-bar to X l nu decays, for p_l > 1.5 GeV/c in the B rest frame. From this, we calculate various moments of the spectrum. In part…

hep-ex2002★ 5 cited

News from the Muon (g-2) Experiment at BNL

M. Deile

The magnetic moment anomaly a_mu = (g_mu - 2) / 2 of the positive muon has been measured at the Brookhaven Alternating Gradient Synchrotron with an uncertainty of 0.7 ppm. The new…

hep-ex2002★ 3 cited

First Observation of the Exclusive Decays Lambda_c to Lambda pi+pi+pi-pi0 and Lambda_c to Lambda omega pi+

D. Cronin-Hennessy

Using data recorded by the CLEO III detector at CESR, we report on the first measurements of the branching fractions for decays of the Lambda_c^+ charmed baryon into (Lambda pi+ pi…

hep-ex2002★ 28 cited

Determination of the B-bar --> D* l nu-bar Decay Width and |V_cb|

N. E. Adam

In the Standard Model, the charged current of the weak interaction is governed by a unitary quark mixing matrix that also leads to CP violation. Measurement of the Cabibbo-Kobayash…

hep-ex2002★ 5 cited

tau- -> K+ K- pi- nu_tau at CLEO III

Feng Liu

Based on 3.26 fb data sample collected at CLEO III, we study the decay , and improve the measurement of the branching ratio ${\cal B}(τ^-\to K^+K^-π^-ν_…

hep-ex2002★ 6 cited

Search for Neutrinoless tau Decays Involving the K_S^0 Meson

S. Chen, CLEO Collaboration

We have searched for lepton flavor violating decays of the tau lepton with one or two KS0 mesons in the final state. The data used in the search were collected with the CLEO II and…

hep-ex2002★ 395 cited

Measurement of the Positive Muon Anomalous Magnetic Moment to 0.7 ppm

G. W. Bennett

A higher precision measurement of the anomalous g value, a_mu = (g-2)/2, for the positive muon has been made at the Brookhaven Alternating Gradient Synchrotron, based on data colle…

hep-ex2002★ 31 cited

Measurement of Exclusive B Decays to Final States Containing a Charmed Baryon

S. A Dytman, CLEO Collaboration

Using data collected by the CLEO detector in the Upsilon(4S) region, we report new measurements of the exclusive decays of B mesons into final states of the type Lambda_c^+ p-bar n…

hep-ex2002★ 24 cited

Observation of the Decay Omega_C^0 --> Omega- e+ nu_e

R. Ammar, CLEO Collaboration

Using the CLEO detector at the Cornell Electron Storage Ring, we have observed the Omega_c (css ground state) in the decay Omega_c -> Omega- e+ nu. We find a signal of 11.4 +- 3.8…

hep-ex2002★ 21 cited

Measurement of Inclusive B --> psi Production

S. Anderson

Using the combined CLEO II and CLEO II.V data sets of 9.1 fb^{-1} at the Upsilon(4S), we measure properties of Psi mesons produced directly from decays of the B meson, where ``B''…

hep-ex2002★ 103 cited

Dalitz Analysis of D^0 --> K_S^0 pi+ pi-

H. Muramatsu, CLEO Collaboration

In e^+e^- collisions using the CLEO detector we have studied the decay of the D^0 to the final state K_S^0 pi^+ pi^- with the initial flavor of the D^0 tagged in charged D^* decay.…

hep-ex2002★ 180 cited

Recent Progress in Neutrino Factory and Muon Collider Research within the Muon Collaboration

M. M. Alsharo'a

We describe the status of our effort to realize a first neutrino factory and the progress made in understanding the problems associated with the collection and cooling of muons tow…

hep-ex2002★ 26 cited

Measurement of B(B- to D0 pi-) and B(barB0 to D+ pi-) and Isospin Analysis of B to D pi Decays

S. Ahmed, CLEO Collaboration

We present new measurements of branching fractions for the color-favored decays B^- --> D^0 pi^- and Bbar^0 --> D^+ pi^-. Using 9.67 x 10^6 BBbar pairs collected with the CLEO dete…

hep-ex2002★ 31 cited

Observation of B to K_S^0 pi+ pi- and Evidence for B to K*pm pi mp

E. Eckhart

We report on a search for charmless hadronic B decays to the three-body final states, K0S h+ pi-, K+ h- pi0, K0S h+ pi0 (h+- denotes a charged pion or kaon), and their charge conju…

hep-ex2002★ 5 cited

Anti-Search for the Glueball Candidate f_J(2220) in Two-Photon Interactions

K. Benslama, CLEO Collaboration

Using 13.3 fb^{-1} of e^+e^- data recorded with the CLEO II and CLEO II.V detector configurations at CESR, we have searched for f_J(2220) decays to K^0_{S} K^0_{S} in untagged two-…

hep-ex2002★ 30 cited

Search for Lepton-Flavor-Violating Decays of B Mesons

K. W. Edwards

We have searched a sample of 9.6 million BB-bar events for the lepton-flavor-violating decays B --> h e^{+-} mu^{-+}, B^+ --> h^- e^+ e^+, B^+ --> h^- e^+ mu^+, and B^+ --> h^- mu^…

hep-ex2002★ 28 cited

Improved Measurement of |Vcb| using B --> D* l nu Decays

R. A. Briere

We determine the weak coupling |Vcb| between the b and c quarks using a sample of 3 million BB-bar events in the CLEO detector at the Cornell Electron Storage Ring. We determine th…

hep-ex2002★ 5 cited

Measurement of the D+ --> K*0bar l+ nu_l Branching Fraction

G. Brandenburg

Using 13.53/fb of CLEO data, we have measured the ratios of the branching fractions R+(e) = BF(D+ --> K*0bar e+ nu_e) / BF(D+ --> K- pi+ pi+), R+(mu) = BF(D+ --> K*0bar mu+ nu_mu)…

hep-ex2002

Summary of Discussion Question 4: Energy Expandability of a Linear Collider

P. N. Burrows, J. R. Patterson

We report on Discussion Question 4, in Sub-group 1 (`TeV-class') of the Snowmass Working Group E3: `Experimental Approaches: Linear Colliders', which addresses the energy expandabi…

hep-ex2002★ 21 cited

Measurement of the Ratio of Branching Fractions of the Upsilon(4S) to Charged and Neutral B Mesons

S. B. Athar, CLEO Collaboration

The ratio of charged and neutral B meson production at the Upsilon(4S), f_{+-}/f_{00}, is measured through the decays B bar -> D* l- nu_l bar, reconstructed using a partial reconst…

hep-ex2002★ 77 cited

Improved Measurement of |V_ub| with Inclusive Semileptonic B Decays

A. Bornheim, CLEO Collaboration

We report a new measurement of the CKM parameter V_ub made with a sample of 9.7 million B B-bar events collected with the CLEO II detector. Using Heavy Quark theory, we combine the…

hep-ex2002★ 11 cited

Further Experimental Studies of Two-Body Radiative ΥDecays

G. Masek

Continuing our studies of radiative Upsilon(1S) decays, we report on a search for Upsilon to gamma eta and Upsilon to gamma f_{J}(2220) in 61.3 pb^{-1} of e^{+}e^{-} data taken wit…

hep-ex2002★ 8 cited

Search for lepton-flavor violation in e+p collisions at HERA

ZEUS Collaboration

A search has been made for lepton-flavor-violating interactions, e+ p -> mu/tau X, at a center-of-mass energy of 300 GeV with an integrated luminosity of 47.7 pb^-1 using the ZEUS…