Sudakov Effects in Electroweak Corrections
Abstract
In perturbation theory the infrared structure of the electroweak interactions produces large corrections proportional to double logarithms log2 (s/m2), similar to Sudakov logarithms in QED, when the scale s is much larger than the typical mass m of the particles running in the loops. These energy growing corrections can be particularly relevant for the planned Next Linear Colliders. We study these effects in the Standard Model for the process e+ e->f fbar and we compare them with similar corrections coming from SUSY loops.
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