Radiative Corrections to $γγ\to W^+ W^-$ in the Electroweak Standard Model

Details Radiative Corrections to $γγ\to W^+ W^-$ in the Electroweak Standard Model Radiative Corrections to $γγ\to W^+ W^-$ in the Electroweak Standard Model

1995-03-27

arxiv.org/abs/hep-ph/9503442v1

Nucl.Phys.B452:80-108,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

30 pages, compressed uuencoded tex-files + compressed uuencoded ps-figures separately, complete ps-file available via anonymou

Scientific paper

10.1016/0550-3213(95)00344-R

The cross-section for $\gamma\gamma\to W^+ W^-$ with arbitrary polarized photons and W bosons is calculated within the electroweak Standard Model including the complete virtual and soft-photonic ${\cal O}(\alpha)$ corrections. We present a detailed numerical discussion of the complete radiative corrections and an analytical investigation of the leading corrections. It turns out that in the on-shell renormalization scheme for fixed $M_W$ no leading corrections associated with the running of $\alpha$ or heavy top-quark and Higgs-boson masses occur. The corrections are typically of the order of 10\%. They reach, however, larger values where the lowest-order cross-sections are suppressed.

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