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Soft-gluon resolution scale in QCD evolution equations
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QCD evolution equations can be recast in terms of parton branching processes. We present a new numerical solution of the equations. We show that this parton-branching solution can be applied to analyze infrared contributions to evolution, order-by-order in the strong coupling $\alpha_s$, as a function of the soft-gluon resolution scale parameter. We examine the cases of transverse-momentum ordering and angular ordering. We illustrate that this approach can be used to treat distributions which depend both on longitudinal and on transverse momenta.
Forward citations
Cited by 3 Pith papers
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Numerical Study of MRW-Type Unintegrated Double Parton Distribution Functions from Non-Factorized DPDFs
Numerical study of MRW-type unintegrated DPDFs constructed from GS09 non-factorized collinear DPDFs via double DGLAP evolution, comparing DMKMRW, DVO-MRW and matched variants.
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Entanglement entropy, Monte Carlo event generators, and soft gluons DIScovery
Including soft gluons in Monte Carlo generators for DIS aligns parton distributions with inclusive PDFs and makes entropy grow with decreasing x, indicating initial-state origin of the bulk entropy.
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TMD parton distributions from parton showers
Effective TMD parton distributions are derived from PYTHIA8 and HERWIG6 parton showers and compared with those from the Parton Branching method.
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