Our one-sigma predicted cosmological constraints for one parameter (ϵ = Δp/pfid) for various combinations of likely Euclid and DES samples and priors (see text for details).
|DES SN Ia|
|DES||0.039 (13%)||0.119 (12%)||–|
|DES + P[Ωm]||0.015 (5%)||0.090 (9%)||0.47|
|DES + P[w0]||0.087 (29%)||0.113 (11%)||1.03|
|Silver sample (optimistic)|
|DES + Euclid + low-z||0.010 (3%)||–||–|
|DES + Euclid + low-z||0.023 (8%)||0.085 (9%)||–|
|DES + Euclid + low-z + P[Ωm]||0.014 (5%)||0.085 (9%)||0.44|
|DES + Euclid + low-z + P[w0]||0.053 (18%)||0.083 (8%)||0.91|
Notes. We do not quote the normalization parameters (ξSLSN and ξSNIa) as they are irrelevant for the scope of this paper. Priors on the cosmological parameters are given by “P[Ωm]” and “P[w0]” and assumed to be Gaussian of width σΩm = 0.015 (σw0 = 0.25) on Ωm (w0) respectively.
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