Studying Gaugino Mass in Semi-Direct Gauge Mediation

Details Studying Gaugino Mass in Semi-Direct Gauge Mediation Studying Gaugino Mass in Semi-Direct Gauge Mediation

2009-07-17

arxiv.org/abs/0907.2970v1

Prog. Theor. Phys. 123 (2009), 237-255

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages

Scientific paper

10.1143/PTP.123.237

We study gaugino mass generation in the context of semi-direct gauge mediation models, where the messengers are charged under both the hidden sector and the standard model gauge groups while they do not play important roles in dynamical supersymmetry breaking. We clarify the cancellation of the leading contributions of the supersymmetry breaking effects to the gaugino mass in this class of models in terms of the macroscopic effective theory of the hidden sector dynamics. We also consider how to retrofit the model so that we obtain the non-vanishing leading contribution to the gaugino mass.

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