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Cosmology in Extended Parameter Space with DESI Data Release 2 Baryon Acoustic Oscillations: A 2σ+ Detection of Nonzero Neutrino Masses with an Update on Dynamical Dark Energy and Lensing Anomaly

  • Authors: Shouvik Roy Choudhury

Shouvik Roy Choudhury 2025 The Astrophysical Journal Letters 986 .

  • Provider: AAS Journals

Caption: Figure 5.

The top panel shows the 1D posterior distributions of Alens for various data combinations. The bottom panel shows its 2D correlation plots with the S8 parameter. We note that data set combinations with WL included leads to a 2σ+ lensing anomaly due to the strong correlation with S8.

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