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Flavor dependence of chiral odd generalized parton distributions and the tensor charge from the analysis of combined $\pi^0$ and $\eta$ exclusive electroproduction data

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abstract

Using a physically motivated parameterization based on the reggeized diquark model we perform a flavor separation of the chiral-odd generalized parton distributions obtained from both $\pi^0$ and $\eta$ exclusive electroproduction. In our approach we exploit a connection between the chiral-even and chiral-odd reduced helicity amplitudes using Parity transformations that are relevant for a class of models that includes two-component models. We compare our results for $\eta$ production to the previously obtained $\pi^0$ results, and we make predictions for the transverse single spin asymmetry components which will be measured within the Jefferson Lab 12 GeV program.

fields

hep-ph 1

years

2025 1

verdicts

UNVERDICTED 1

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  • Chiral-odd generalized parton distributions for the low-lying octet baryons hep-ph · 2025-06-03 · unverdicted · none · ref 73 · internal anchor

    Chiral-odd GPDs for octet baryons p, Σ+, and Ξ0 are calculated in the diquark spectator model, producing transversity distributions, lowest moments of HT and ET+tildeHT, and tensor charges compared to lattice and other models for the proton.