A new tensor-polarized quark density for the proton-to-Delta transition is defined, its sum rules are derived, and a chiral quark-soliton model estimate finds it is small, about an order of magnitude below ordinary nucleon densities.
Diehl, Generalized parton distributions, Phys
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Tensor-polarized parton density in the $N \rightarrow \Delta$ transition
A new tensor-polarized quark density for the proton-to-Delta transition is defined, its sum rules are derived, and a chiral quark-soliton model estimate finds it is small, about an order of magnitude below ordinary nucleon densities.