Are heavy scalars natural in minimal supergravity?

Details Are heavy scalars natural in minimal supergravity? Are heavy scalars natural in minimal supergravity?

1999-12-10

arxiv.org/abs/hep-ph/9912301v2

Phys.Lett.B487:165-170,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages. v2: dicussion clarified, final version

Scientific paper

10.1016/S0370-2693(00)00806-6

It has been recently claimed that very large values of a universal soft mass
term m_0 for sfermions and higgs bosons become natural when M_top is close to
175 GeV if tan\beta\approx 10. We show that very large values of m_0 require
accidental cancellations not guaranteed by experimental data or theoretical
assumptions, and consequently an unnatural fine-tuning of the parameters.

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