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arXiv · hep-ph/0302209

Abelian D-terms and the superpartner spectrum of anomaly-mediated supersymmetry breaking

Brandon Murakami·James D. Wells
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Abstract

We address the tachyonic slepton problem of anomaly mediated supersymmetry breaking using abelian D-terms. We demonstrate that the most general extra U(1) symmetry that does not disrupt gauge coupling unification has a large set of possible charges that solves the problem. It is shown that previous studies in this direction that added both an extra hypercharge D-term and another D-term induced by B-L symmetry (or similar) can be mapped into a single D-term of the general ancillary U(1)_a. The U(1)_a formalism enables identifying the sign of squark mass corrections which leads to an upper bound of the entire superpartner spectrum given knowledge of just one superpartner mass.

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Brandon Murakami, James D. Wells. 2003-06-25. Abelian D-terms and the superpartner spectrum of anomaly-mediated supersymmetry breaking. https://doi.org/10.1103/physrevd.68.035006

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