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Reliability of a high energy one-loop expansion of e+e- --> W+W- in the SM and in the MSSM
Matteo Beccaria, Fernand M. Renard, Claudio Verzegnassi
We compare the logarithmic Sudakov expansions of the process e+e- --> W+W- in the one-loop approximation and in the resummed version, to subleading order accuracy, in the SM case a…
Sudakov expansions at one loop and beyond for charged scalar and fermion pair production in SUSY models at future Linear Colliders
Matteo Beccaria, Michael Melles, Fernand M. Renard +2
We consider the high energy behaviour of the amplitudes for pair production of charged leptons, quarks, Higgs bosons, sleptons, squarks and charginos at lepton colliders. We give t…
A high energy determination of Yukawa couplings in SUSY models
M. Beccaria, F. M. Renard, C. Verzegnassi
We consider the production, at future lepton colliders, of final fermion, sfermion, scalar pairs in SUSY models. For third family fermions and sfermions and for charged Higgses, th…