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Finding the distribution of matter using lenses - II: deconvolution-based reconstruction with 3x2pt measurements

Jiang, Jun-Qian et al.
arXiv (All) · Papers
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cosmology-and-nongalactic-astrophysicsdata-analysishigh-energy-physics-phenomenologystatistics-and-probability
We present a deconvolution-based framework for testing scale-dependent departures of the late-time matter power spectrum from a fiducial cosmological model using $3\times2$pt measurements. We introduce a free-form scale-dependent modulation $A(k)$ of the fiducial nonlinear matter power spectrum and
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