A new 9-parameter fitting function for the halo mass function, using the integrated growth history (x-tilde) and effective spectral index (n_eff), reaches 1–5% accuracy across a wide range of cosmologies and overdensity thresholds.
@doi [ ] 10.1103/PhysRevD.110.083520, https://ui.adsabs.harvard.edu/abs/2024PhRvD.110h3520G 110, 083520
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Evolution mapping III: A new recipe for the halo mass function
A new 9-parameter fitting function for the halo mass function, using the integrated growth history (x-tilde) and effective spectral index (n_eff), reaches 1–5% accuracy across a wide range of cosmologies and overdensity thresholds.