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Kinetic mixing as the origin of a light dark-gauge-group scale
We propose a model in which supersymmetric weak scale dark matter is charged under a $U(1{)}_{d}$ dark gauge symmetry. Kinetic mixing between $U(1{)}_{d}$ and hypercharge generates the appropriate hierarchy of scales needed to explain PAMELA and ATIC with a GeV scale force carrier and DAMA (or INTEGRAL) using the proposals …