articlePhysical review. D/Physical review. D.Feb 11, 2022LVGREEN OA

BOSS DR12 full-shape cosmology: Λ CDM constraints from the large-scale galaxy power spectrum and bispectrum monopole

OHOliver H. E. PhilcoxMMMikhail M. Ivanov

Princeton University · Institute for Advanced Study

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Abstract

We present a full $\mathrm{\ensuremath{\Lambda}}\mathrm{CDM}$ analysis of the BOSS DR12 dataset, including information from the power spectrum multipoles, the real-space power spectrum, the reconstructed power spectrum and the bispectrum monopole. This is the first analysis to feature a complete treatment of the galaxy bispectrum, including a consistent theoretical model and without large-scale cuts. Unlike previous works, the statistics are measured using window-free estimators: this greatly reduces computational costs by removing the need to window-convolve the theory model. Our pipeline is tested using a suite of high-resolution mocks and shown to be robust and precise, with systematic errors far below the…

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  • Cosmology
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