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We propose an explanation of the galactic center gamma ray excess bysupersymmetric WIMPs as heavy as 500 GeV. The lightest neutralino annihilatesinto vector-like leptons or quarks which cascade decay through intermediateHiggs bosons. Due to the long decay chains, the gamma ray spectrum is muchsofter than naively expected and peaks at GeV energies. The model predictscorrelated diboson and dijet signatures to be tested at the LHC.

Soft Gamma Rays from Heavy WIMPs