Anomalous quartic couplings in six-fermion processes at the Linear Collider
Fabrizio Gangemi
Abstract
The dimension-four genuine anomalous quartic couplings are studied in processes of six-fermion production via e+e- collisions. Complete tree-level electroweak calculations are performed including initial-state-radiation and beamstrahlung. The analysis of final-state distributions can be used to find kinematical cuts to enhance the effects of anomalous couplings. For the parameters of the custodial-symmetry-conserving anomalous couplings a sensitivity in the range between 10-3 and 10-2 can be expected at 1 TeV.
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