Two-Loop QED Heavy-Flavor Contribution to Bhabha Scattering

Details Two-Loop QED Heavy-Flavor Contribution to Bhabha Scattering Two-Loop QED Heavy-Flavor Contribution to Bhabha Scattering

2008-06-30

arxiv.org/abs/0806.4905v2

Nucl.Phys.Proc.Suppl.183:181-186,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures. Contribution to the Proceedings of the 9th DESY workshop on "Loops and Legs in Quantum Field Theory", Sond

Scientific paper

10.1016/j.nuclphysbps.2008.09.10

We briefly review the status of the calculation of next-to-next-to-leading order corrections to large angle Bhabha scattering in pure QED. In particular, we focus on the analytic calculation of the two-loop virtual corrections involving a heavy-flavor fermion loop, which was recently completed. We conclude by assessing the numerical impact of these corrections on the Bhabha scattering cross section at colliders operating at a center of mass energy of 1 GeV and at the future ILC.

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