1998/10/26 by M. Stratmann, Stratmann, M.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.48550/arxiv.hep-ph/9810481
12 pages, LaTeX, 4 figures, uses epsfig style; Talk presented at the workshop on `Photon Interactions and the Photon Structure', Lund, Sweden, 1998; to appear in the proceedings
arxiv created 1998/10/26 · openalex publication_date 1998/10/26 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The theoretical framework for a next-to-leading order QCD analysis of the spin-dependent parton densities Delta fgamma(x,Q2) of the longitudinally polarized photon and of its structure function g1gamma(x,Q2) is reviewed in some detail. Special emphasis is given to the specific features of different factorization schemes. Two conceivable scenarios for the polarized parton densities Delta fgamma(x,Q2) are introduced, which are suitable to study the sensitivity of future experiments to the so far unmeasured Delta fgamma. The experimental prospects of determining Delta fgamma at a polarized collider mode of HERA or at a linear e+e- collider are outlined. Finally, the Q2-evolution of the parton content of linearly polarized photons, which shows some remarkable differences, is briefly discussed.