Papers › A new approach to color-coherent parton evolution
A new approach to color-coherent parton evolution
Florian Herren, Stefan Höche, Frank Krauss, Daniel Reichelt, Marek Schoenherr
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We present a simple parton-shower model that replaces the explicit angular ordering of the coherent branching formalism with a differentially accurate simulation of soft-gluon radiation by means of a non-trivial dependence on azimuthal angles. We introduce a global kinematics mapping and provide an analytic proof that it satisfies the criteria for next-to leading logarithmic accuracy. In the new algorithm, initial and final state evolution are treated on the same footing. We provide an implementation for final-state evolution in the numerical code Alaric and present a first comparison to experimental data.
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