Evolution Equations for Connected and Disconnected Sea Parton Distributions
classification
✦ hep-ph
hep-latnucl-th
keywords
connecteddisconnectedequationsevolutionaccommodatebeencalculationsconsequences
read the original abstract
It has been revealed from the path-integral formulation of the hadronic tensor that there are connected sea and disconnected sea partons. The former is responsible for the Gottfried sum rule violation primarily and evolves the same way as the valence. Therefore, the DGLAP evolution equations can be extended to accommodate them separately. We discuss its consequences and implications vis-a-vis lattice calculations.
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