The QED Structure of the Photon
Richard Nisius (on behalf of the LEP Collaborations)
TL;DR
This paper reviews experimental measurements of the photon’s QED structure, focusing on structure functions and cross-sections involving virtual photons, providing an updated overview of recent results in this area.
Contribution
It presents an updated review of experimental data on the QED structure of the photon, including measurements of structure functions and differential cross-sections involving virtual photons.
Findings
Measurements of photon structure functions F_2, F_A, and F_B.
Results on differential cross-section dsig/dx for virtual photon exchange.
Updated experimental data on the QED structure of the photon.
Abstract
Measurements of the QED structure of the photon based on the reaction ee --> ee \gamma(*)(P^2)\gamma*(Q^2) --> ee mumu are discussed. This review is an update of the discussion of the results on the QED structure of the photon presented in Refs.[1], and covers the published measurements of the photon structure functions F_2, F_A nd F_B and of the differential cross-section dsig/dx for the exchange of two virtual photons.
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