L3 results for 2003 Summer Conferences

For more information, please contact the L3 Physics Coordinator.

EPS 2003, Aachen, July 17-23 2003

Status July 17th

Session numbers are assigned as from the sequence in the abstract submitting page. Miscellanea:
Sessions Title & Abstract Paper Plots

Tau Physics

6,15 Measurement of Branching Fractions of Tau Hadronic Decays L3 paper 270 1a, 1b, 1c, 1d, 2, 3, 4, 5, 6,

Susy Searches

12 Search for scalar fermions at LEP L3 note 2804 1a, 1b, 1c, 1d, 2a, 2b, 2c, 3a, 3b, 3c, 3d, 4a, 4b, 4c, 4d, 5a, 5b, 5c, 5d, 6a, 6b, 7a, 7b
12 Search for charginos and neutralinos at LEP Details upon request
12,14,15 Single and Multi-Photon Events with Missing Energy in e+e- Collisions at root(s) up to 209 GeV at LEP L3 note 2811 1a, 1b, 2a, 2b, 3a, 3b, 4, 5a, 5b, 6a, 6b, 7, 8a, 8b, 9

Higgs Searches

12 Search for anomalous couplings in the Higgs sector at LEP L3 note 2774 1, 2a, 2b, 2c, 3a, 3b, 3c, 3d, 4, 5, 6, 7, 8a, 8b, 9a, 9b, 10a, 10b
12 Search for Charged Higgs Bosons in e+e- Collisions at Centre-of-Mass Energies up to 209 GeV L3 note 2817 1a, 1b, 1c, 1d, 2a, 2b, 2c, 3, 4a, 4b, 5a, 5b, 5c, 5d, 6a, 6b, 6c, 6d, 7, 8a, 8b, 9a, 9b, 10a, 10b, 10c, 11
12 Search for Doubly Charged Higgs bosons at LEP L3 note 2818 1a, 1b, 1c, 1d, 2a, 2b, 2c, 3a, 3b, 3c, 4a, 4b, 4c, 5a, 5b, 5c
12 Search for a Higgs boson decaying into two photons at LEP L3 paper 251 1, 2, 3a, 3b, 4, 5a, 5b, 6a, 6b, 7a, 7b, 8

12 Search for a Higgs Boson decaying to weak boson pairs L3 paper 261 1, 2a, 2b, 2c, 2d, 2e, 3a, 3b, 3c, 3d, 3e, 3f, 4, 5, 6
12 Search for MSSM Higgs Bosons at LEP L3 paper 259 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 4a, 4b, 4c, 4d, 5a, 5b, 5c, 5d,
12, 15 Search for the Standard Model Higgs Boson at LEP L3 paper 239 1ac, 1bd, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 4a, 4b, 4c, 4d, 5a, 5b, 5c, 5d, 6, 7a, 7b
12 Flavour Independent Search for Neutral Higgs Bosons at the highest LEP Energies L3 note 2806 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 4, 5a, 5b, 5c, 5d, 5e, 5f

Other Searches beyond the SM

12 Search for excited leptons at LEP L3 paper 268 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 3e, 3f, 4a, 4b, 4c, 4d,
12 Search for Single Top Production at LEP L3 paper 260 1a, 1b, 2a, 2b, 3a, 3b, 3c, 3d, 4a, 4b, 5a, 6b,
12, 14 Search for Branons at LEP L3 note 2814 1a, 1b, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11

Multiple Neutral Gauge Boson Production

15 Study of the e^+e^- -> Ze^+e^- process at LEP L3 paper 263 1, 2a, 2b, 3a, 3b, 4,
14, 15 Study of Z Boson Pair Production at LEP L3 note 2805 1, 2a, 2b, 2c, 2d, 3, 4a, 4b, 5a, 5b, 6a, 6b
15 Study of neutral-current four-fermion production at LEP Will not be ready for the EPS
15 Study of Z production in multiple ISR events at LEP Will not be ready for the EPS
15 Search for Anomalous ZZgamma and Zgammagamma Couplings using the process e+e- -> Z gamma at LEP L3 note 2813 1, 2a, 2b, 3a, 3b, 4, 5, 6, 7a, 7b, 8a, 8b
15 Study of the e+e- -> Zgammagamma process and anomalous quartic coupling at LEP L3 paper 255 1, 2a, 2b, 2c, 2d, 3a, 3b, 4, 5, 6
12, 14, 15 Hard-photon production in $e^+e^-$ collisions at LEP L3 paper 249 1a, 1b, 1c, 1d, 2, 3a, 3b, 3c, 3d, 3e, 3f, 4, 5a, 5b,

Figure 4 in color, all data

W Physics

15 Production of Single W Bosons at LEP and Measurement of WW gamma Gauge Coupling Parameters L3 paper258 1, 2, 2, 3a, 3a, 3b, 3b, 3c, 3c, 3d, 3d, 4, 5a, 5a, 5b, 5b, 6, 6
15 Spin Density Matrix Analysis in W-Pair Production at sqrt(s)=189-209 GeV L3 note 2793 1, 2
15 Preliminary Results on the Measurement of Triple-Gauge-Boson Couplings of the W Boson in e^+e^- interactions at LEP L3 note 2820 1a, 1b, 2a, 2b, 3a, 3b, 3c, 3d, 4a, 4b, 4c, 5a, 5b, 5c, 6a, 6b, 6c, 6d,
15 Measurement of W Polarisation at LEP L3 paper 264 1a, 1b, 1c, 1d, 2a, 2b, 3, 4,
15 Measurement of the Z boson mass using Z decays in e^+e^- -> Z gamma events at LEP2 energies L3 note 2792 1, 2, 3, 4, 5, 6
15 Preliminary Results on the Measurements of W-Pair Cross Sections in e^+e^- Interactions at sqrt{s}=205-209 GeV and W-Decay Branching Fractions Note in preparation
15 Preliminary Results on the Measurement of Mass and Width of the W Boson at LEP L3 note 2754 1a, 1b, 1c, 1d, 2a, 2b, 3, 4
15 Study of the W^+W^-gamma Process and Direct Limits on Anomalous Quartic Gauge Boson Couplings at LEP L3 paper 248 1, 2, 3, 4, 5,
15 Measurement of WW Spin Correlations in e+e- -> W+W- Events at LEP L3 note 2812 1a, 1b, 2, 3
4,5,15 Bose-Einstein Correlations in e^+e^- -> W^+W^- Events at \sqrt{s}=189-209 GeV see QCD results
4,5,15 Search for Colour Reconnection Effects in $e^+e^- \rightarrow WW \rightarrow hadrons$ through Particle-Flow Studies at LEP see QCD results

Fermion-pairs

15 Measurements of cross sections and asimmetries in fermion pair production at LEP at centre-of-mass energies up to 209 GeV L3 note 2763 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3, 4, 5, 6, 7, 8, 9, 10
12, 15 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 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3, 4, 5a, 5b, 6, 7
15 Measurement of the energy evolution of the electromagnetic coupling constant Will not be ready for EPS

Two-photon Physics

4 Proton-antiproton pair production in two-photon collisions at LEP L3 paper 267 1, 2, 3a, 3b, 4, 5a, 5b, 5c, 6a, 6b, 6c
4,5 Inclusive Charged Hadron Production in Two-Photon Collisions at LEP L3 paper 262 1a, 1b, 2a, 2b, 3, 4a, 4b
4,5 Measurement of exclusive rho0 rho0 production in two-photon collisions at high q2 at LEP L3 paper 269 1, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h, 4a, 4b, 4c, 4d, 5a, 5b, 6a, 6b
4,5 Differential Cross-Section for jet production at LEP L3 note 2810 1, 2, 3, 4, 5
4 Measurements of the Cross Sections for Open Charm and Beauty Production in gamma gamma Collisions at \sqrt{s}=189-209 GeV L3 note 2761 1, 2, 3, 4
4 Rho-rho Production by real photons at LEP L3 note 2802 1a, 1b, 2a, 2b, 3a, 3b, 3c, 4a, 4b, 4c, 5a, 5b, 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, 7a, 7b, 7c, 7d, 7e, 7f, 7g, 7h, 8a, 8b, 8c, 8d
15 Cross-Section Measurement of tau-Pair Production in Two-Photon Collisions at LEP L3 note 2815 2a, 2b, 3, 4a, 4b, 5a, 5b, 5c, 6a, 6b, 7
4 Inclusive $D^*$ Production in Two-Photon Collisions at LEP L3 paper 252 1, 2, 3, 4, 5
4 Two-photon width of the eta_c and search for the eta_b at LEP L3 note 2803 1, 2, 3, 4
4 Lambda and Sigma^0-Pair Production in Two-Photon Collisions at LEP L3 paper 253 1, 2a, 2b, 2c, 2d, 3, 4, 5a, 5b, 5c,
4,5 Inclusive pi^0 and K^0_S Production in Two-Photon Collisions at LEP L3 paper 243 1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 4a, 4b,
4 Analysis of pi^+ pi^- pi^0 production in two-photon collisions at LEP L3 note 2798 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
4 Investigation of the K_s K_s final state in two-photon collisions and nonet classification of tensor mesons L3 note 2799 1, 2, 3, 4, 5, 6, 7, 8

QCD

4,5,15 Bose-Einstein Correlations in e^+e^- -> W^+W^- Events at \sqrt{s}=189-209 GeV L3 paper 257 1, 2, 3, 4a, 4b
4,5,15 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
5 Determination of Alpha_s from Hadronic Event Shapes in e+e- Annihilation at 192 < sqrt(s) < 209 GeV L3 paper 254 1a, 1b, 1c, 2a, 2b, 2c, 3a, 3b, 4, 5a, 5b
4,5 Search for Colour Singlet and Colour Reconnection Effects in Hadronic Z Decays at LEP L3 note 2807 1a, 1b, 1c, 1d, 2a, 2b, 3a, 3b, 3c, 3d, 4a, 4b, 4c, 4d, 5a, 5b, 5c, 5d, 6a, 6b, 6c, 6d
4 Measurement of Genuine Three-Particle Bose-Einstein Correlations in Hadronic Z decay L3 paper 256 1, 2a, 2b, 2c, 3, 4
4 Measurement of the charged-particle multiplicity distribution of hadronic Z decays at LEP L3 note 2808 1, 2ab, 2cd, 3
5 Results of QCD studies in e+e- Annihilations from 30 to 209 GeV with L3 L3 note 2816