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QCD Hard Scattering and the Sign of the Spin Asymmetry A_LL^pi
Barbara Jager, Stefan Kretzer, Marco Stratmann +1
Recent preliminary PHENIX data are consistent with a negative and sizable longitudinal double-spin asymmetry A_LL^pi for pi^0 production at moderate transverse momentum p_perp \sim…
Longitudinally Polarized Photoproduction of Inclusive Hadrons Beyond the Leading Order
B. Jager, M. Stratmann, W. Vogelsang
We present a complete next-to-leading order QCD calculation for single-inclusive large-pT hadron production in longitudinally polarized lepton-nucleon collisions, consistently incl…
Double-transverse spin asymmetries at NLO
A. Mukherjee, M. Stratmann, W. Vogelsang
We report on a next-to-leading order QCD calculation of the cross section and the spin asymmetry for isolated large-p_T prompt photon production in collisions of transversely polar…
Next-to-leading order QCD corrections to A_TT for prompt photon production
A. Mukherjee, M. Stratmann, W. Vogelsang
We present a next-to-leading order QCD calculation of the cross section for isolated large-p_T prompt photon production in collisions of transversely polarized protons. We devise a…