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A Supersymmetric Stueckelberg U(1) Extension Of The Mssm, Boris Körs, Pran Nath
A Supersymmetric Stueckelberg U(1) Extension Of The Mssm, Boris Körs, Pran Nath
Pran Nath
A Stueckelberg extension of the MSSM with only one abelian vector and one chiral superfield as an alternative to an abelian extension with Higgs scalars is presented. The bosonic sector contains a new gauge boson Z′ which is a sharp resonance, and a new CP-even scalar, which combines with the MSSM Higgs bosons to produce three neutral CP-even massive states. The neutral fermionic sector has two additional fermions which mix with the four MSSM neutralinos to produce an extended 6×6 neutralino mass matrix. For the case when the LSP is composed mostly of the Stueckelberg fermions, the LSP of the …