Re-examination of Electroweak Symmetry Breaking in Supersymmetry and Implications for Light Superpartners

Details Re-examination of Electroweak Symmetry Breaking in Supersymmetry and Implications for Light Superpartners Re-examination of Electroweak Symmetry Breaking in Supersymmetry and Implications for Light Superpartners

2002-07-13

arxiv.org/abs/hep-ph/0207168v1

Phys.Lett. B551 (2003) 146-160

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, 3 figures

Scientific paper

10.1016/S0370-2693(02)03010-1

We examine arguments that could avoid light superpartners as an implication of supersymmetric radiative electroweak symmetry breaking. We argue that, from the point of view of string theory and standard approaches to generating the mu-term, cancellations among parameters are not a generic feature. While the coefficients relating the Z-mass to parameters in the soft supersymmetry breaking Lagrangian can be made smaller, these same mechanisms lead to lighter superpartner masses at the electroweak scale. Consequently we strengthen the implication that gluinos, neutralinos, and charginos are light and likely to be produced at the Fermilab Tevatron and a linear collider.

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