L3 results for 2003 Winter Conferences

For more information, please contact the L3 Physics Coordinator.

Moriond(EW), March 15-22 2003

Moriond(QCD), March 22-29 2003

Status March 7
Title Paper Plots

Higgs Searches

Search for anomalous couplings in the Higgs sector at LEP *L3 note 2774 figures 1, 2a, 2b, 2c, 3a, 3b, 3c, 3d, 4, 5, 6, 7, 8a, 8b, 9a, 9b, 10a, 10b
Search for a fermiophobic Higgs boson at L3 *L3 paper 251 *L3 paper 261 figures 1, 2, 3a, 3b, 4, 5a, 5b, 6a, 6b, 7a, 7b, 8

figures 1, 2a, 2b, 2c, 2d, 3a, 3b, 4, 5, 6

Search for invisible Higgs boson decays in $e^+e^-$ collisions at center-of-mass energies up to 209 GeV at LEP *L3 note 2690 figures 1, 2a, 2b, 3a, 3b, 3c, 3d, 4
Search for Neutral Higgs bosons of the Minimal Supersymmetric Standard Model in e+e- Interactions at Sqrt(s) up to 209 GeV *L3 paper 258 figures 1, 2, 2, 3a, 3a, 3b, 3b, 3c, 3c, 3d, 3d, 4, 5a, 5a, 5b, 5b, 6, 6
Search for the Standard Model Higgs boson in $e^+e^-$ collisions at center-of-mass energies up to 209 GeV at LEP *L3 paper 239 figures 1ac, 1bd, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 4a, 4b, 4c, 4d, 5a, 5b, 5c, 5d, 6, 7a, 7b

Other Searches beyond the SM

Search for excited leptons at LEP. *L3 note 2791 figures 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 3f, 3g, 4a, 4b, 4c, 4d,
Search for Single Top Production at LEP *L3 paper 260 figures 1a, 1b, 2a, 2b, 3a, 3b, 3c, 3d, 4a, 4b, 5a, 6b,

Multiple Neutral Gauge Boson Production

Study of the $e^+e^-\rightarrow Ze^+e^-$ process with the L3 detector at LEP *L3 paper 263 figures 1, 2a, 2b, 3a, 3b, 4,
Study of Z Boson Pair Production at LEP *L3 note 2770 figures 1a, 1b, 1c, 1d, 2, 3a, 3b
Search for Anomalous $ZZ\gamma$ and $Z\gamma\gamma$ Couplings using the process $e^+e^- \rightarrow Z\gamma$ at LEP *L3 note 2672 figures 1, 1, 3a, 3b, 4, 5, 6a, 6b, 7a, 7b
Measurement of the $e^+e^- \rightarrow Z\gamma\gamma$ Cross Section and Study of Anomalous Quartic Gauge Couplings. *L3 paper 255 figures 1, 2a, 2b, 2c, 2d, 3a, 3b, 4, 5, 6
Hard-photon production in $e^+e^-$ collisions at LEP *L3 paper 249 figures 1a, 1b, 1c, 1d, 2, 3a, 3b, 3c, 3d, 3e, 3f, 4, 5a, 5b,

Figure 4 in color, all data

W Physics

Production of Single W Bosons at LEP and Measurement of WW gamma Gauge Coupling Parameters *L3 paper258 figures 1, 2, 2, 3a, 3a, 3b, 3b, 3c, 3c, 3d, 3d, 4, 5a, 5a, 5b, 5b, 6, 6
Measurement of Spin Density Matrix Elements in W Pair Production at LEP and Determination of CP Violating Anomalous Gauge Couplings *L3 note 2793 figures fig.1, fig.2,
Preliminary Results on the Measurement of Triple-Gauge-Boson Couplings of the W Boson in $e^+e^-$ interactions at LEP *L3 note 2734 figures 1, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 4a, 4b, 4c, 5a, 5b, 5c
Measurement of W Polarisation at LEP *L3 paper 264 figures 1a, 1b, 1c, 1d, 2a, 2b, 3, 4,
Measurement of the Z boson mass using Z decays in $e^+e^- \rightarrow Z \gamma$ events at LEP2 energies *L3 note 2792 figures 1, 2, 3, 4, 5, 6
Preliminary Results on the Measurements of W-Pair Cross Sections in $e^+e^-$ Interactions at $\sqrt{s}=205-208$ GeV and W-Decay Branching Fractions *L3 note 2756 figures 1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 5c, 5d, 6, 7, 8, 9a, 9b, 9c, 9d
Preliminary Results on the Measurement of Mass and Width of the W Boson at LEP. *L3 note 2754 figures 1a, 1b, 1c, 1d, 2a, 2b, 3, 4
Study of the $W^+W^-\gamma$ Process and Direct Limits on Anomalous Quartic Gauge Boson Couplings at LEP *L3 paper 248 figures 1, 2, 3, 4, 5,
Bose-Einstein Correlations in $e^+e^- \rightarrow W^+W^-$ Events at $\sqrt{s}=189-208$ GeV see QCD results  
Search for Colour Reconnection Effects in $e^+e^- \rightarrow W^+W^- \rightarrow {hadrons}$ through Particle-Flow Studies at $\sqrt{s}=189-209$ GeV see QCD results  

Fermion-pairs

Search for New Physics Phenomena in Fermion-Pair Production in $e^+e^-$ Collisions at Centre-of-Mass Energies up to 209 GeV *L3 note 2759 figures 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3, 4, 5a, 5b, 6, 7
L3 Results on Fermion-Pair Production in 2000 *L3 note 2763 figures 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3, 4, 5, 6, 7, 8, 9, 10
Study of the $e^+e^- \rightarrow b\overline{b}$ process at $\sqrt{s}=192-208$ GeV *L3 note 2640 figures 1a, 1b, 1c, 1d, 1e, 1f, 2

Two-photon Physics

Proton-antiproton pair production in two-photon collisions at LEP *L3 paper 267 figures 1, 2, 3a, 3b, 4, 5a, 5b, 5c, 6a, 6b, 6c
Inclusive Charged Hadron Production in Two-Photon Collisions at LEP *L3 paper 262 figures 1a, 1b, 2a, 2b, 3, 4a, 4b
Measurement of exclusive rho0 rho0 production in two-photon collisions at high q2 at LEP *L3 note 2787 figures
The $\pi^+ \pi^- \pi^0$ resonance production in Two-Photon Collisions at LEP. *L3 note 2677 figures 1, 2, 3, 4, 5, 6, 7, 8
Measurements of the Cross Sections for Open Charm and Beauty Production in $\gamma\gamma$ Collisions at $\sqrt{s}=189-209$ GeV *L3 note 2761 figures 1, 2, 3, 4
Measurement of the Charm Production Cross Section in $\gamma\gamma$ Collisions at LEP. *L3 paper 231 figures 1, 2, 3, 4, 5
Cross-Section Measurement of tau-Pair Production in Two-Photon Collisions at LEP. *L3 note 2747 figures 1, 2a, 2b, 3, 4a, 4b, 5, 6, 7, 8a, 8b, 9, 10a, 10b
Inclusive $D^*$ Production in Two-Photon Collisions at LEP *L3 paper 252 figures 1, 2, 3, 4, 5,
Double Tag Events in Two Photon Collisions at LEP. *L3 paper 247 figures 1, 2, 3, 4, 5, 6,
Light Resonances in $K^0_S K^\pm \pi^\mp$ and $\eta \pi^+ \pi^-$ final states in $\gamma\gamma$ collisions at LEP. *L3 paper 223 figures 1, 2, 3, 4, 5, 6
The $K^0_S K^0_S$ Final State in Two-Photon Collisions and Implications for Glueballs. *L3 paper 225 figures 1a, 1b, 1c, 1d, 2, 3, 4, 5
$\Lambda$ and $\Sigma^0$-Pair Production in Two-Photon Collisions at LEP. *L3 paper 253 figures 1, 2a, 2b, 2c, 2d, 3, 4, 5a, 5b, 5c,
Inclusive $\pi^0$ and $K^0_S$ Production in Two-Photon Collisions at LEP *L3 paper 243 figures 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 4a, 4b,
Total Cross Section in $\gamma\gamma$ Collisions at LEP. *L3 paper 235 figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
Formation of the $f_1(1285)$ Resonance in $\eta \pi^+ \pi^-$ Final States in Two-Photon Collisions *L3 paper 246 figures 1, 2, 3, 4,

QCD

Study of hadronic event structure and $\alpha_S$ determination at $192 < \sqrt{s} < 208$ GeV *L3 paper 254 figures 1a, 1b, 1c, 2a, 2b, 2c, 3a, 3b, 4, 5a, 5b
Study of Rapidity Gap Events in Hadronic Z Decays from $e^+e^-$ Annihilation *L3 note 2728 figures 1a, 1b, 2, 3, 4, 5, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10, 11a, 11b, 12a, 12b, 13a, 13b, 14a, 14b
Measurement of Genuine Three-Particle Bose-Einstein Correlations in Hadronic Z decay *L3 paper 256 figures 1, 2a, 2b, 2c, 3, 4
Comparison of Bose-Einstein correlations of neutral and charged pions in hadronic Z decay *L3 paper 242 figures 1, 2, 3, 4, 4a, 4b.
Bose-Einstein Correlations in $e^+e^- \rightarrow W^+W^-$ Events at $\sqrt{s}=189-208$ GeV *L3 paper 257 figures 1, 2, 3, 4a, 4b
Search for Colour Reconnection Effects in $e^+e^- \rightarrow WW \rightarrow hadrons$ through Particle-Flow Studies at LEP *L3 paper 266 1, 2a, 2b, 3, 4a, 4b, 5, 6a, 6b, 7


L3 Webmaster April 15, 2003