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Early time solution as an alternative to the late time evolving dark energy with DESI DR2 BAO

Chaussidon, E; White, M; de Mattia, A; Gsponer, R; Ahlen, S; Bianchi, D; Brooks, D; ... Weaver, BA; + view all (2025) Early time solution as an alternative to the late time evolving dark energy with DESI DR2 BAO. Physical Review D: Particles, Fields, Gravitation and Cosmology , 112 (6) , Article 063548. 10.1103/xtql-wh3h. Green open access

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Abstract

Recently the Dark Energy Spectroscopic Instrument (DESI) provided constraints on the expansion history from their Data Release 2. The DESI baryon acoustic oscillation measurements are well described by a flat Λ⁢CDM model, but the preferred parameters are in mild (2.3⁢

Type: Article
Title: Early time solution as an alternative to the late time evolving dark energy with DESI DR2 BAO
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/xtql-wh3h
Publisher version: https://doi.org/10.1103/xtql-wh3h
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Astronomy & Astrophysics, ATACAMA COSMOLOGY TELESCOPE, FOREST POWER SPECTRUM, Physical Sciences, Physics, Physics, Particles & Fields, PIPELINE, Science & Technology, SYSTEM
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/10217003
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