L3 results for 2000 winter conferences

For published results the links point to papers and coloured versions of figures Preliminary results are referred to by L3 internal notes or paper drafts

Status March 10, 2000
Title of abstract Reference Plots

Two-photon physics

Measurement of Charm and Beauty Production in $\gamma \gamma$ Collisions at LEP L3 note 2421 figures 1, 2, 3, 4a, 4b, 5a, 5b, 6, 7a, 7b, 8, 9
Study of the Hadronic Photon Structure Function F_2^\gamma at LEP L3 paper 149 figures fig1 fig2 fig3 fig4 fig5 fig6 fig7
The Q^2 evolution of the Hadronic Photon Structure Function F_2^\gamma at LEP L3 paper 164 figures fig1 fig2 fig3 fig4
\chi_c2 Formation in Two-Photon Collisions at LEP L3 paper 165 figures 1, 2, 3,
Formation of the \eta_c in Two-Photon Collisions at LEP L3 paper 176 figures 1, 2, 3, 4, 5
Measurement of Inclusive D^{*\pm} Production in Two-Photon Collisions at LEP L3 paper 180 figures 1a, 1b, 2, 3a, 3b, 4, 5
Measurement of the Photon Structure Function at High Q^2 at LEP L3 paper 204 figures 1, 2, 3, 4, 5, 6, 7, 8

Preliminary measurements of the bbbar production cross section at 130 GeV < sqrt(s) < 189 GeV L3 note 2502 figures 1, 2, 3
Hadronic event structures from 30 to 189 GeV in e+e- annihilation and power law corrections L3 note 2504 figures 1a, 1b, 2a, 2b, 3, 4, 5, 6
Preliminary QCD results at 192 < sqrt(s) < 202 GeV L3 note 2505 figures 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 4, 5, 6, 7
Search for single top production at LEP2 L3 note 2506 figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
Measurement of the probability of gluon splitting into charmed quarks in hadronic Z decays L3 paper 194 figures 1, 2a, 2b, 2c, 2d, 3, 4a, 4b,
Inclusive sigma+ and sigma0 production in hadronic Z decays L3 paper 203 figures 1a, 1b, 2a, 2b, 3, 4, 5

Lineshape and Fermion pairs

Preliminary L3 Results on Fermion-Pair Production in 1999 L3 note 2500 figures 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3, 4, 5, 6, 7
Search for New Physics Phenomena in Fermion-Pair Production at LEP L3 note 2516 figures 1a, 1b, 2, 3, 4a, 4b, 5, 6
Measurement of the Running of the Fine-Structure Constant L3 paper 197 figures 1, 2, 3,
Measurements of Cross Sections and Forward-Backward Asymmetries at the Zo Resonance and Determination of Electroweak Parameters L3 paper 202 figures 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37

ZZ, Zg, Zgg physics

Study of Z Boson Pair Production at LEP at sqrt{s}=192-202 GeV L3 note 2509 figures 1, 2, 3, 4
Study of anomalous ZZ\gamma and Z\gamma\gamma couplings at LEP L3 note 2513 figures 1a, 1b, 1c, 1d, 2a, 2b, 3a, 3b
Measurement of the e+e- -> Z \gamma \gamma Cross Section and Determination of Quartic Gauge Boson Couplings at LEP L3 paper 199 figures 1, 2a, 2b, 2c, 2d, 3a, 3b, 4, 5a, 5b, 6,

W Physics

Bose-Einstein Correlations in e+e- -> W+W- Events at sqrt(s)=189 GeV L3 note 2499 figures 1, 2, 3a, 3b, 4, 5, 6, 7, 8, 9
Improved Measurement of Longitudinally and Transversely Polarized W Bosons L3 note 2501 figures 1, 2, 3, 4
Search for Colour Reconnection Effects in e+e- -> W+W- -> hadrons through Multiplicity and Energy- and Particle-Flow Studies L3 note 2503 figures 1a, 1b, 2, 3, 4a, 4b, 5a, 5b, 5c, 5d, 6, 7a, 7b, 8a, 8b, 9a, 9b, 10, 11, 12a, 12b, 13a, 13b, 14a, 14b, 15a, 15b, 16a, 16b
Preliminary Results on the Measurement of W-Pair Cross Sections in e+e- Interactions at sqrt(s) = 192-202 GeV and W-Decay Branching Fractions L3 note 2514 figures 1a, 1b, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 4a, 4b, 5a, 5b, 5c, 5d, 6, 7
Preliminary Results on Single W Boson Production at 192 GeV < sqrt(s) < 202 GeV L3 note 2518 figures 1, 2, 3, 4, 5, 6, 7, 8, 9a, 9b, 10, 11
Preliminary Results on the Measurement of Triple-Gauge-Boson Couplings of the W Boson at LEP L3 note 2519 figures 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 4a, 4b, 4c
Preliminary Results on the Measurement of Mass and Width of the W Boson at LEP L3 note 2520 figures 1a, 1b, 1c, 1d, 2a, 2b, 3, 4
Measurement of the e+e- -> W+W-\gamma Cross Section and direct Limits on Anomalous Quartic Gauge Boson Couplings at LEP L3 note 2521 figures 1, 2, 3, 4, 5

Searches for exotica and new physics

Search for Exotic Unstable Heavy Leptons in e+ e- Annihilation at \sqrt{s} = 192-202 GeV L3 note 2495 figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

Higgs searches

Search for non-standard Higgs production and anomalous couplings through the e+e- \rightarrow H \gamma process at LEP L3 note 2430 figures 1, 2, 3, 4, 5, 6, 7a, 7b, 7c, 7d, 8, 9
Search for Charged Higgs Bosons in e+e- Collisions at Centre-of-Mass Energies between 192 and 202 GeV L3 note 2510 figures 1, 2, 3, 4
Search for the Standard Model Higgs boson in e+e- collisions at \sqrt{s} up to 202\GeV L3 note 2511 figures 1a, 1b, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 4a, 4b, 5
Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in e+e- Interactions at \sqrt(s) = 192-202 GeV L3 note 2512 figures 1, 2, 3, 4, 5, 6, 7
Search for Higgs boson decaying into two photons in e+e- interactions at \sqrt{s}=192-202 GeV L3 note 2526 figures 1, 2a, 2b, 3a, 3b, 3c, 4
Search for invisible Higgs boson decays in e+e- collisions at \sqrt{s} = 192 - 202 GeV L3 paper draft figures 1, 2, 3, 4a, 4b, 5a, 5b, 6a, 6b, 7

SUSY searches

Searches for Charginos and Neutralinos in e+e- collisions at \sqrt{s} = 192-202 GeV L3 note 2522 figures 1, 2, 3, 4, 5, 6, 7
Single and Multi-Photon Events with Missing Energy in e+e- Collisions at \sqrt{s} = 192-202 GeV L3 note 2523 figures 1a, 1b, 2, 3, 4
Search for Scalar Leptons and Quarks in e+e- collisions at \sqrt{s}=192-202 GeV L3 note 2524 figures 1a, 1b, 2a, 2b, 2c, 3a, 3b, 3c, 3d