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2 claims from 1 paper

1. Physics and Astronomy › Cosmology and Gravitation Theories

   Scalar-tensor gravity and DESI 2024 BAO data

   Ferrari, Ballardini, Finelli and Paoletti · Physical review. D/Physical review. D. · 2025

   The paper tests four scalar-tensor gravity models against DESI 2024 BAO data combined with Planck, finding larger H0 values and a reduced tension with the SH0ES measurement in one model.

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   1. UncheckedIn four scalar-tensor gravity models, Planck plus DESI 2024 data favour a larger key coupling parameter than earlier analyses, and so a larger H0.“Compared to previous analyses, for all of these models, the combination of Planck and DESI data favors a larger value of the key parameter of the theory, such as the nonminimal coupling to gravity or the Galileon term, leading also to a larger value of $H_0$, due to the known degeneracy between the…”
   2. UncheckedThe paper says its new preference for larger coupling parameters and H0 in scalar-tensor gravity models comes mainly from the first two DESI redshift bins.“These new results are mainly driven by the first two redshift bins of DESI.”