Non-universal soft scalar masses in supersymmetric theories

Details Non-universal soft scalar masses in supersymmetric theories Non-universal soft scalar masses in supersymmetric theories

1993-08-02

arxiv.org/abs/hep-ph/9308208v1

Phys.Lett. B317 (1993) 82-91

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 13 pages + 3 figs.(avalaible upon request)

Scientific paper

10.1016/0370-2693(93)91574-7

The existence of non--universal soft masses is the most general situation in supersymmetric theories. We study the consecuences that this situation has for the low--energy sparticle spectrum. In particular, we analize in detail the contribution to the scalar mass renormalization group equations of the $U(1)_Y$ D--term. We obtain analytic expressions for the evolution of masses of the three generations and these allow us to show that such a contribution can produce important modifications on the spectrum. The necessity to avoid flavour changing neutral currents does not constrain this result. Finally, we discuss a realistic example in the context of string theory where the departure from universality is large.

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