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Correlations of charged hadrons of 1 < pT < 10 GeV/c with high pT directphotons and pi^ 0 mesons in the range 5 <pT < 15 GeV/c are used to study jetfragmentation in the photon+jet and di-jet channels, respectively. Themagnitude of the partonic transverse momentum, kT, is obtained by comparing toa model incorporating a Gaussian kT smearing. The sensitivity of the associatedcharged hadron spectra to the underlying fragmentation function is tested andthe data are compared to calculations using recent global fit results. Theshape of the direct photon-associated hadron spectrum as well as its chargeasymmetry are found to be consistent with a sample dominated by quark-gluonCompton scattering. No significant evidence of fragmentation photon correlatedproduction is observed within experimental uncertainties.

High p_T Direct Photon and pi^0 Triggered Azimuthal Jet Correlations in sqrt(s)=200 GeV p+p Collisions