Effects of colour reconnection in W+ W- events
Abstract
We have investigated some observable consequences of colour reconnection in the reaction e+e- -> W+ W- -> q1 qbar2 q3 qbar4. We use a measure based on the momentum structure of the event, comparing reconnected events with `standard' ones. Some different recoupling models are described and studied as well as simpler toy models to show where the effects are present and what makes most of them disappear in realistic models. Some attempts are made to introduce suitable cuts in order to select the interesting events.
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