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Measurement of the B0-anti-B0-Oscillation Frequency with Inclusive Dilepton Events
B. Aubert
The - oscillation frequency has been measured with a sample of 23 million $\B\bar B$ pairs collected with the BABAR detector at the PEP-II asymmetric B Factory at SL…
Study of the W+W-gamma Process and Limits on Anomalous Quartic Gauge Boson Couplings at LEP
L3 Collaboration
The process e+e- -> W+ W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mas…
Double-Tag Events in Two-Photon Collisions at LEP
L3 Collaboration
Double-tag events in two-photon collisions are studied using the L3 detector at LEP centre-of-mass energies from root(s)=189 GeV to 209 GeV. The cross sections of the e+e- -> e+e-…
Search for R-parity Violating Decays of Supersymmetric Particles in e+e- Collisions at LEP
L3 Collaboration
A search, in e^+e^- collisions, for chargino, neutralino, scalar lepton and scalar quark pair-production is performed, without assuming R-parity conservation in decays, in the case…
Inclusive pi0 and K0s Production in Two-Photon Collisions at LEP
L3 Collaboration
The reactions ee->ee+pi0+X and ee->ee+K0s+X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive differential…
Bose-Einstein Correlations of Neutral and Charged Pions in Hadronic Z Decays
L3 Collaboration
Bose-Einstein correlations of both neutral and like-sign charged pion pairs are measured in a sample of 2 million hadronic Z decays collected with the L3 detector at LEP. The analy…
Measurement of the branching fractions for psi(2S)-->e+e- and psi(2S)-->mu+mu-
B. Aubert, the BABAR Collaboration
We measure the branching fractions of the psi(2S) meson to the leptonic final states e+e- and mu+mu- relative to that for psi(2S)-->J/psi pi+pi-. The method uses psi(2S) mesons pro…
Measurements of the branching fractions of exclusive charmless B meson decays with or mesons
B. Aubert
We present the results of searches for B decays to charmless two-body final states containing or mesons, based on 20.7 fb of data collected with the BABAR det…
Measurement of the Topological Branching Fractions of the tau lepton at LEP
L3 Collaboration
Using data collected with the L3 detector at LEP from 1992 to 1995 on the Z peak, we determine the branching fractions of the tau lepton into one, three and five charged particles…
Standard Model Higgs Boson with the L3 Experiment at LEP
L3 Collaboration
Final results of the search for the Standard Model Higgs boson are presented for the data collected by the L3 detector at LEP at centre-of-mass energies up to about 209 GeV. These…
Measurement of the B-->J/psi K^*(892) decay amplitudes
B. Aubert, The BABAR Collaboration
We present a measurement of the decay amplitudes in B-->J/psi K^*(892) channels using 20.7 fb-1 of data collected at the Upsilon(4S) resonance with the BABAR detector at PEP-II. We…
Measurement of branching fractions for exclusive B decays to charmonium final states
B. Aubert
We report branching fraction measurements for exclusive decays of charged and neutral B mesons into two-body final states containing a charmonium meson. We use a sample of 22.72 +/…
Measurement of the B^0 and B^+ meson lifetimes with fully reconstructed hadronic final states
B. Aubert
The B0 and B+ meson lifetimes have been measured in e+e- annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resona…
Search for Heavy Neutral and Charged Leptons in e+ e- Annihilation at LEP
L3 Collaboration
A search for exotic unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed with the L3 detector at LEP. Sequential, vector and mirror n…
Search for Heavy Isosinglet Neutrino in e+e- Annihilation at LEP
L3 Collaboration
We report on a search for the first generation heavy neutrino that is an isosinglet under the standard SU(2)_L gauge group. The data collected with the L3 detector at center-of-mas…
Observation of CP violation in the B^0 meson system
B. Aubert, BABAR Collaboration
We present an updated measurement of time-dependent CP-violating asymmetries in neutral B decays with the BABAR detector at the PEP-II asymmetric B Factory at SLAC. This result use…
Search for the decay B^0 --> gamma-gamma
the BABAR Collaboration, B. Aubert
We present a limit on the branching fraction for the decay using data collected at the resonance with the BABAR detector at the PEP-II asymmetric--energy $e^+e…
Measurement of production in continuum annihilations near GeV
The BABAR Collaboration, B. Aubert
The production of mesons in continuum annihilations has been studied with the BABAR detector at energies near the resonance, approximately 10.6 GeV. The meso…
Measurement of Branching Fractions and Search for CP-Violating Charge Asymmetries in Charmless Two-Body B Decays into Pions and Kaons
B. Aubert, BABAR Collaboration
We present measurements of the branching fractions and a search for CP-violating charge asymmetries in charmless hadronic decays of B mesons into two-body final states of kaons and…
Measurement of the decays B-->phi K and B-->phi K^*
B. Aubert, BABAR Collaboration
We have observed the decays B-->phi K and phi K^* in a sample of over 45 million B mesons collected with the BABAR detector at the PEP-II collider. The measured branching fractions…
Total Cross Section in gamma gamma Collisions at LEP
L3 Collaboration
The reaction e+e- -> e+e- gamma* gamma* -> e+e- hadrons for quasi-real photons is studied using data from root(s) = 183 GeV up to 202 GeV. Results on the total cross sections sigma…
Study of the e+e- -> Z gamma gamma -> q q~ gamma gamma Process at LEP
L3 Collaboration
The process e^+e^- -> Z gamma gamma -> q q~ gamma gamma is studied in 0.5 fb-1 of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cr…
Measurement of the Tau Branching Fractions into Leptons
L3 Collaboration
Using data collected with the L3 detector near the Z resonance, corresponding to an integrated luminosity of 150pb-1, the branching fractions of the tau lepton into electron and mu…
Measurement of the Charm Production Cross Section in gamma gamma Collisions at LEP
L3 Collaboration
Open charm production in gamma-gamma collisions is studied with data collected at e+e- centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosit…