Supersymmetry Breaking by Type II Seesaw Assisted Anomaly Mediation

Abstract

Anomaly mediated supersymmetry breaking (AMSB), when implemented in MSSM is known to suffer from the problem of negative slepton mass squared leading to breakdown of electric charge conservation. We show however that when MSSM is extended to explain small neutrino masses by including a pair of superheavy Higgs triplet superfields (the type II seesaw mechanism), the slepton masses can be deflected from the pure AMSB trajectory and become positive. In a simple model we present in this paper, the seesaw scale is about $10^{13}-10^{14}\mathrm{GeV}$. Gauge coupling unification can be maintained by embedding the triplet to SU(5) {\bf 15}-multiplet. In this scenario, bino is the LSP and its mass is nearly degenerate with NLSP slepton when the triplet mass is right around the seesaw scale.

18 pages, 4 figures, added references, added footnotes

References in corpus (5)

• Renormalizable Adjoint SU(5)
• Gauge and Yukawa mediated supersymmetry breaking in the triplet seesaw scenario
• Phenomenology of the triplet seesaw mechanism with Gauge and Yukawa mediation of SUSY breaking
• Minimal Seesaw as an Ultraviolet Insensitive Cure for the Problems of Anomaly Mediation
• Deflected Anomaly Mediation and Neutralino Dark Matter

Cited by in corpus (7)

• Triplet Extended Supersymmetric Standard Model
• $\nu$-GMSB with Type III Seesaw and Phenomenology
• Seesaw Extended MSSM and Anomaly Mediation without Tachyonic Sleptons
• B-L assisted Anomaly Mediation and the radiative B-L symmetry breaking
• D-term assisted Anomaly Mediation in E6 motivated models
• Inflation and type III seesaw mechanism in $\nu$-gauge mediated supersymmetry breaking
• Splitting the Wino Multiplet by Higher-Dimensional Operators in Anomaly Mediation