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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 1.

68% and 95% marginalized contours in the w0,DE–wa,DE plane for different data combinations. The area to the right of the vertical dashed blue line and above the slanted dashed blue line represents the parameter space corresponding to quintessence-like or non-phantom DE.

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