The transverse spin asymmetry for isolated-photon SIDIS at EIC energies is estimated to reach 10% or more in specific kinematics, offering a path to constrain the quark-gluon-quark correlators F_FT(x,x') and G_FT(x,x') point by point.
Three-gluon contribution to the single spin asymmetry for light hadron production in pp collision
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abstract
We study the twist-3 three-gluon contribution to the single spin asymmetry in the light-hadron production in pp collision in the framework of the collinear factorization. We derive the corresponding cross section formula in the leading order with respect to the QCD coupling constant. We also present a numerical calculation of the asymmetry at the RHIC energy, using a model for the three-gluon correlation functions suggested by the asymmetry observed in the $D$-meson production at RHIC.
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Transverse single-spin asymmetries in $\gamma$SIDIS as a direct probe of quark-gluon-quark longitudinal momentum structure
The transverse spin asymmetry for isolated-photon SIDIS at EIC energies is estimated to reach 10% or more in specific kinematics, offering a path to constrain the quark-gluon-quark correlators F_FT(x,x') and G_FT(x,x') point by point.