Berlin 2005 – wissenschaftliches Programm

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T: Teilchenphysik

T 608: Elektroschwache Wechselwirkung II

T 608.9: Vortrag

Dienstag, 8. März 2005, 18:30–18:45, TU H3002

Measurement of Triple Gauge Couplings in γ γ Collisions at the ILC — •Jadranka Sekaric and Klaus Mönig — DESY

In the absence of light Higgs bosons, W bosons become strongly interacting at energies of about 1 TeV contributing to the mechanism of spontaneous electroweak symmetry breaking (EWSB). New physics beyond the Standard Model can manifest itself by new particles produced at a collider or by precision measurements of deviations from their Standard Model values. In order to understand the mechanism of EWSB we examined the sensitive observables to anomalous couplings κ_γ and λ_γ and estimated the precision they can be measured with, in the process γ γ → W⁺W⁻. The reaction, as well as backgrounds, have been simulated for hadronically decaying W-bosons assuming a set of parameters for the γγ-option of TESLA.