Higher Dimensional Operators in the MSSM

Details Higher Dimensional Operators in the MSSM Higher Dimensional Operators in the MSSM

2008-09-26

arxiv.org/abs/0809.4598v1

AIP Conf.Proc.1078:175-180,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contribution to the proceedings of the "Susy 2008" conference; (6 pages)

Scientific paper

10.1063/1.3051901

The origin and the implications of higher dimensional effective operators in 4-dimensional theories are discussed in non-supersymmetric and supersymmetric cases. Particular attention is paid to the role of general, derivative-dependent field redefinitions which one can employ to obtain a simpler form of the effective Lagrangian. An application is provided for the Minimal Supersymmetric Standard Model extended with dimension-five R-parity conserving operators, to identify the minimal irreducible set of such operators after supersymmetry breaking. Among the physical consequences of this set of operators are the presence of corrections to the MSSM Higgs sector and the generation of "wrong"-Higgs Yukawa couplings and fermion-fermion-scalar-scalar interactions. These couplings have implications for supersymmetry searches at the LHC.

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