Low-energy $e^+\,e^-\toγ\,γ$ at NNLO in QED
Le résumé fourni par la source
We present a fully differential computation of $e^+\,e^-\toγ\,γ$ at next-to-next-to-leading order in QED. The process has been implemented into McMule, completing its set of next-to-next-to-leading-order calculations for the most important $2 \to 2$ processes. The results allow for generic applications to electron-positron colliders with centre-of-mass energies up to a few GeV, particularly for luminosity measurements.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.