Virtual Corrections to Bremsstrahlung with Applications to Luminosity Processes and Radiative Return

Details Virtual Corrections to Bremsstrahlung with Applications to Luminosity Processes and Radiative Return Virtual Corrections to Bremsstrahlung with Applications to Luminosity Processes and Radiative Return

2005-12-02

arxiv.org/abs/hep-ph/0512022v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at Loopfest IV, 2005 International Linear Collider Physics and Detector Workshop and Second ILC Accelerator Workshop

Scientific paper

We will describe radiative corrections to bremsstrahlung, focusing on applications to luminosity, fermion pair production, and radiative return at high-energy e+ e- colliders. A precise calculation of the Bhabha luminosity process was essential at SLC and LEP, and will be equally important in ILC physics. We will review the exact results for two-photon radiative corrections to Bhabha scattering which led to the precision estimates for the BHLUMI MC. We will also compare the implementation of the virtual photon correction to bremsstrahlung for fermion pair production in the KK MC to similar exact expressions developed for other purposes, and discuss applications to radiative return in high energy e+ e- colliders.

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