Revisiting the factorization theorem for $\rho \gamma^{*} \to \pi(\rho)$ at twist 3
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DOI: 10.1103/physrevd.95.076005
Abstract: We revisit the proof of the perturbative QCD factorization for the exclusive processes $\rho \gamma^{\star} \to \pi(\rho)$ at the two-parton twist-3 level. It is pointed out that the residual collinear divergences observed in the literature,… read more here.
Keywords: factorization; factorization theorem; rho gamma; revisiting factorization ... See more keywords