The nrMSSU(5) and universality of soft masses

Details The nrMSSU(5) and universality of soft masses The nrMSSU(5) and universality of soft masses

2009-10-02

arxiv.org/abs/0910.0372v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, LateX, to appear in the proceedings of SUSY09, Boston, MA, USA, 5-10 June 2009

Scientific paper

We discuss the problem of universality of the soft, supersymmetry-breaking terms in the minimal supersymmetric SU(5) model (MSSU(5)) completed with flavor-dependent nonrenormalizable operators (NROs), or nrMSSU(5). These are exploited to correct the wrong fermion spectrum and to slow down the too-fast decay rate of the proton that the MSSU(5) model predicts. In general, the presence of such operators in the superpotential and K\"ahler potential gives rise to tree-level flavor- and CP-violating entries in the sfermion mass matrices at the cutoff scale, even when the mediation of supersymmetry (SUSY) breaking is generation and field-type independent. We identify the conditions under which such terms can be avoided.

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