Radiative correction in a deep inelastic electron-photon scattering experiment

Radiative corrections of order α are computed for an experiment measuring the photon's hadronic or leptonic structure function F2sup(γ)(x, Q2). For the hard-photon contribution the peaking approximation is used. The total correction, for a typical experiment performed with present high-energy e+e- colliding-beam machines (PETRA, PEP), appears to vary with x and Q2, ranging between minus and plus a few percent. It tends to increase in absolute value with the beam energy. (orig.)