A parton branching with transverse momentum dependent splitting functions
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hep-ph
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functionspartonsplittingalgorithmbranchingdependentmomentumamplitudes
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Off-shell, transverse-momentum dependent splitting functions can be defined from the high-energy limit of partonic decay amplitudes. Based on these splitting functions, we construct Sudakov form factors and formulate a new parton branching algorithm. We present a first Monte Carlo implementation of the algorithm. We use the numerical results to verify explicitly momentum sum rules for TMD parton distributions.
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