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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Dark sector interaction and the supernova absolute magnitude tension

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Author(s):
Nunes, Rafael C. [1] ; Di Valentino, Eleonora [2]
Total Authors: 2
Affiliation:
[1] Inst Nacl Pesquisas Espaciais, Div Astrofis, Ave Astronautas 1758, BR-12227010 Sao Jose Dos Campos, SP - Brazil
[2] Univ Durham, Dept Phys, Inst Particle Phys Phenomenol, Durham DH1 3LE - England
Total Affiliations: 2
Document type: Journal article
Source: Physical Review D; v. 104, n. 6 SEP 15 2021.
Web of Science Citations: 1
Abstract

It has been intensively discussed if modifications in the dynamics of the Universe at late times are able or not able to solve the H-0 tension. On the other hand, it has also been argued that the H-0 tension is actually a tension on the supernova absolute magnitude M-B. In this work, we robustly constrain M-B using Pantheon supernovae Ia sample, baryon acoustic oscillations, and big bang nucleosynthesis data, and assess the M-B tension by comparing three theoretical models, namely the standard Lambda CDM, the wCDM, and a nongravitational interaction between dark energy (IDE) and dark matter. We find that the IDE model can solve the M-B tension with a coupling different from zero at 95% CL, confirming the results obtained using a H-0 prior. (AU)

FAPESP's process: 18/18036-5 - Investigating physical aspects beyond the standard model linked to the themes of dark energy, modified gravity, neutrinos and gravitational waves
Grantee:Rafael da Costa Nunes
Support Opportunities: Scholarships in Brazil - Post-Doctoral