Electroweak radiative corrections and unitarity of Standard Model

Details Electroweak radiative corrections and unitarity of Standard Model Electroweak radiative corrections and unitarity of Standard Model

2012-02-01

arxiv.org/abs/1202.0294v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 5 figures

Scientific paper

Electroweak corrections to longitudinal gauge and Higgs boson scattering amplitudes are calculated. Due to Sudakov double logarithms, the effect is a suppression of amplitude that grows rapidly with increasing center of mass energy leading to significant reduction of cross sections compared to tree level results. For example, the suppression factor for the cross section of $W^+_{\text{L}}W^-_{\text{L}}$ scattering due to these corrections varies from 0.3 at the center of mass energy of $100\text{TeV}$ to a factor of $10^{-12}$ at the center of mass energy of $10^{13}\text{TeV}$. The modification of SM unitarity bound due to these corrections is obtained.

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