Breaking the cosmological invariance of the dark-matter halo shape as a new probe of modified gravity

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Volume 693 (January 2025)

A&A, 693 (2025) A109

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Table 1.

Parameters of DUSTGRAIN-pathfinder simulations and the main features of the associated halo catalogs.

Name	\|f_R0\|	σ₈^Gauss	m_ν	Ω_m	w₀	N	$M_{FoF}^{Minimal}$ $M_{\mathrm{FoF}}^{\mathrm{Minimal}}$	$M_{FoF}^{Median}$ $M_{\mathrm{FoF}}^{\mathrm{Median}}$	$M_{FoF}^{Mean}$ $M_{\mathrm{FoF}}^{\mathrm{Mean}}$	$M_{FoF}^{Maximal}$ $M_{\mathrm{FoF}}^{\mathrm{Maximal}}$
`ΛCDM`	0	0.88	0	0.31345	−1	270, 256	8.1	16	33.6	5520
`ΛCDM 0.15eV`	0	0.85	0.15	0.30987	−1	266, 159	8.01	15.7	32.3	5090
`wCDM −0.84`	0	0.88	0	0.31345	−0.84	273, 209	8.1	16	33.7	5580
`wCDM −1.16`	0	0.88	0	0.31345	−1.16	268, 307	8.1	16	33.6	5480
`fR6`	10⁻⁶	0.89	0	0.31345	−1	299, 555	8.1	15.7	32.6	5530
`fR6 0.1eV`	10⁻⁶	0.87	0.1	0.31107	−1	296, 127	8.04	15.5	31.8	5250
`fR4`	10⁻⁴	1.0	0	0.31345	−1	289, 815	8.1	16.7	37.9	6200
`fR4 0.3eV`	10⁻⁴	0.93	0.3	0.3063	−1	285, 912	7.92	15.9	34.3	3310

Notes. Masses are in units of 10¹² (M_⊙/h) and neutrino mass m_ν is in eV. The quantity σ₈ is computed using the linear power spectrum and a Gaussian smoothing window (see Eq. (4)). Finally, N is the number of halos.

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