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Measurement of triple gauge boson couplings of the WW boson at LEP

Collaboration
Sep, 1999
20 pages
Published in:
  • Phys.Lett.B 467 (1999) 171-184
e-Print:
DOI:
Report number:
  • CERN-EP-99-131
Experiments:
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199920052011201720230246810
Abstract: (Elsevier)
We report on measurements of the triple-gauge-boson couplings of the W boson in e + e − collisions with the L3 detector at LEP. W-pair, single-W and single-photon events are analysed in a data sample corresponding to a total luminosity of 76.7 pb −1 collected at centre-of-mass energies between 161 GeV and 183 GeV . CP-conserving as well as both C- and P-conserving triple-gauge-boson couplings are determined. The results, in good agreement with the Standard-Model expectations, confirm the existence of the self coupling among the electroweak gauge bosons and constrain its structure.
  • electron positron: colliding beams
  • electron positron: annihilation
  • W: electroproduction
  • W: pair production
  • photon: electroproduction
  • coupling: (3gauge boson)
  • invariance: CP
  • angular distribution
  • photon: energy spectrum
  • L3
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