Euclid preparation - LVI. Sensitivity to non-standard particle dark matter models

Open Access

Fig. 16.

Same as Fig. 9, but for the parameters of the 2b-DDM model. The forecast assumes logarithmic priors on the DDM fraction $f_{ddm}^{ini}$ $f_{\mathrm{ddm}}^{\mathrm{ini}}$ , on the decay rate Γ_ddm, and on the fraction of energy ε going into the ultra-relativistic daughter at each decay. The model is equivalent to pure ΛCDM in the small $f_{ddm}^{ini}$ $f_{\mathrm{ddm}}^{\mathrm{ini}}$ and/or small ε and/or small Γ_ddm limits.

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