L3 Lineshape Analysis

Coordinator: Joachim Mnich


Fermion Pair Production

Coordinators: Frank Filthaut & Christoph Paus


Meetings are held on Friday at 10:00.
Check L3 news for details on topics and place.


Preparation of 1993-95 lineshape paper:

 Please have a look to the most recent draft:
/user/mnich/tex/p9395/paper_draft43.ps

  • Cross section and Afb results for lineshape paper
  • Previous results (1990 - 92 data)
  • Other results and numbers for lineshape paper
  • LEP energy information on issues related 1993-95 LEP energies
  • Error matrix 1993-95 LEP energy error matrix
  • Badrun list for LEP energy 1993-95
  • Beam spread factors (2nd version, JM March 1998)
  • 1990-92 updated beam spread factors (JM April 1998)
  • To be updated The source code of the program version to be used in the fits can be found on shift3: /l3/anal/zpnew/fit/
  • Relevant publications:
    HEP-PH/9710376 Large-Angle Bhabha Scattering at LEP 1, W. Beenaker and G. Passarino
    CERN-EP/98-40 Calibration of the centre-of-mass energies at LEP1 for precise measurements of Z properties
    ALEPH 95-018 Systematic uncertainties on LEP electroweak observables due to unknown residual longitudinal beam polarizations

    • Preparation of 1996 Warsaw conference:

  • Info 1993 LEP energies
  • Info 1994 LEP energies
  • Info 1995 LEP energies
  • Compilation of 1993/94 cross section and asymmetries
  • Compilation of preliminary 1995 cross section and asymmetries

    L3 publications on cross section and forward-backward asymmetry:

  • L3 paper #90 Results of 130-140 GeV run in 1995
  • L3 paper #69 Results from 1990-92 data at the Z
  • L3 paper #62 An S-Matrix analysis of the Z Resonance (1990/91 data)

    Conference contributions of the L3 lineshape group:

  • L3 note 1980 Warsaw 1996
  • L3 note 1914 Moriond 1996
  • L3 note 1809 Brussels/Beijing 1995
  • L3 note 1731 Moriond 1995

    Visit the site of the LEP Electroweak Working Group for combined results on electroweak parameters from the four LEP experiments

    L3 cross section and FB asymmetry results:

  • 1990-1992 as used for L3 paper #69
  • 1993/94 preliminary as used for 1995 summer conferences

    Propaganda plots for transparencies:

  • L3 cross section and forward-backward asymmetries
  • L3 coupling constants of charged leptons
  • History of L3 electroweak measurements
  • Electroweak results from LEP and SLD
  • Higgs mass sensitivity of electroweak parameters
  • Muon cross section 10 - 200 GeV
  • Muon forward-backward asymmetry 10 - 200 GeV