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Fig. 2

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Differential γ-ray energy spectra originating from final-state fragmentation of WIMP annihilation. Four different WIMP models are depicted: mass mχ = 500   GeV, final states: (solid black line), W + W −  (dashed red line), τ + τ −  (dotted blue line); mass mχ = 150   GeV, final state τ + τ −  (dot-dashed green line). The parametrisations are valid down to E/mχ ≈ 0.01. The grey-shaded area indicates the considered energy range E ∈  [10;100]    GeV.

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