Virtual W-Boson Contribution to the Processes of the e exp + e exp - -> gamma + Neutrals Type

摘要

The contribution from the diagrams, where a photon is emitted by a virtual W-boson, has been estimated up to terms that are first order in s/m sub(W)sup(2), together with the contribution from the diagrams where initial particles radiate. The approximation used is applicable for the PETRA, PEP and TRISTAN accelerators. For the first two accelerators the calculated admixture is of 10% in the total cross section while in the case of TRISTAN, where the energy is of 30x30 GeV exp 2 , this contribution is of 20-25%. (Atomindex citation 16:083196)