Logarithmic Fingerprints of Virtual Supersymmetry

Details Logarithmic Fingerprints of Virtual Supersymmetry Logarithmic Fingerprints of Virtual Supersymmetry

2002-03-27

arxiv.org/abs/hep-ph/0203254v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages e-mail: renard@lpm.univ-montp2.fr

Scientific paper

We consider the high energy behaviour of the amplitudes for production of leptons, quarks, Higgs bosons, sleptons, squarks, gauge bosons, charginos, neutralinos. We concentrate our discussion on the universal (process independent) logarithmic terms which factorize the Born amplitude and which are typically of the form [a ln(s/m^2)-ln^2(s/m^2)]. We perform a systematic determination of the coefficient "a" for the various final states and we emphasize the striking features which differentiate the SM and the MSSM cases. We show that a comparison with experiments at future colliders should provide a clean way to test the gauge and Higgs structures of the electroweak interactions owing to the presence of sizeable (visible) virtual logarithmic supersymmetric contributions.

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