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arxiv 2205.15873 v1 pith:NT2ONKJN submitted 2022-05-31 hep-ph

A parton branching with transverse momentum dependent splitting functions

classification hep-ph
keywords functionspartonsplittingalgorithmbranchingdependentmomentumamplitudes
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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