Parton branching algorithms at amplitude level are vital to achieve resummation of logarithmically enhanced corrections to general particle collider observables. Specifically the so-called non-global nature of most observables sets the level of complexity and requires approaches beyond simple probabilistic reasoning to include quantum mechanical interference effects. Following our initial steps to explore amplitude-level evolution in the space of colour structures and related Monte Carlo methods, we now will consolidate this research program and perform first steps to include corrections at the next order in perturbation theory. This will go hand in hand with exploring formal aspects of the approach and an ongoing effort to put it into relation with effective field theory methods.
Research Team: Jeffrey Forshaw (U of Manchester), Jack Holguin (U of Manchester), Maximilian Löschner (KIT, Karlsruhe), Simon Plätzer (U Vienna), Emma Simpson Dore (KIT, Karlsruhe)
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