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Violation of SUSY equivalence in triple gauge boson and gaugino couplings
Phys. Rev. D 59, 015017 – Published 10 December, 1998
DOI: https://doi.org/10.1103/PhysRevD.59.015017
Abstract
Supersymmetry implies that the trilinear couplings between gauge bosons and gauginos are equal to all orders. However, if SUSY is broken and some of the superpartners have large SUSY breaking masses then they can induce nondecoupling deviations in this relation through radiative corrections. In this work we show that the deviation in the ratio from unity can be around 2.3% (3.3%) in heavy QCD models (2-1 models) for a point in the gaugino region. Precision measurement of triple gaugino couplings at future high energy colliders can therefore probe such violations and the existence of heavy superparticles in the multi-TeV region which are otherwise inaccessible.
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