Naturalness Constraints in Supersymmetric Theories with Non-Universal Soft Terms

Details Naturalness Constraints in Supersymmetric Theories with Non-Universal Soft Terms Naturalness Constraints in Supersymmetric Theories with Non-Universal Soft Terms

1995-07-11

arxiv.org/abs/hep-ph/9507282v1

Phys.Lett. B357 (1995) 573-578

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 1 figure available upon request

Scientific paper

10.1016/0370-2693(95)00961-J

In the absence of universality the naturalness upper limits on supersymmetric particle masses increase significantly. The superpartners of the two light generations can be much heavier than the weak scale without extreme fine-tunings; they can weigh up to about 900 GeV --- or even up to 5 TeV, if SU(5) universality is invoked. This supresses sparticle-mediated rare processes and consequently ameliorates the problem of supersymmetric flavor violations. On the other hand, even without universality, the gluino and stop remain below about 400 GeV while the charginos and neutralinos are likely to be accessible at LEP2.

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