Snowmass2021 - Letter of interest cosmology Intertwined II: The hubble constant tension
Journal
Date Issued
2021
Author(s)
Di Valentino, Eleonora
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Anchordoqui, Luis A.
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Akarsu, Özgür
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Ali-Haimoud, Yacine
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Amendola, Luca
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Arendse, Nikki
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Asgari, Marika
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Ballardini, Mario
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Basilakos, Spyros
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Benetti, Micol
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Birrer, Simon
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Bouchet, François R.
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Bruni, Marco
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Calabrese, Erminia
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Camarena, David
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Chen, Angela
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Chluba, Jens
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Chudaykin, Anton
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Colgáin, Eoin Ó.
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Cyr-Racine, Francis-Yan
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de Cruz Pérez, Javier
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Delabrouille, Jacques
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Dunkley, Jo
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Escamilla-Rivera, Celia
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Ferté, Agnès
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Freedman, Wendy
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Frusciante, Noemi
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Giusarma, Elena
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Gómez-Valent, Adrià
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Guy, Julien
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Handley, Will
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Harrison, Ian
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Hart, Luke
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Heavens, Alan
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Hildebrandt, Hendrik
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Holz, Daniel
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Huterer, Dragan
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Ivanov, Mikhail M.
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Joudaki, Shahab
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Kamionkowski, Marc
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Karwal, Tanvi
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Knox, Lloyd
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Kumar, Suresh
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Lamagna, Luca
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Lesgourgues, Julien
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Lucca, Matteo
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•
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Mazumdar, Arindam
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Melchiorri, Alessandro
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Mena, Olga
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Mersini-Houghton, Laura
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Miranda, Vivian
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Moreno-Pulido, Cristian
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Mota, David F.
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Muir, Jessica
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Mukherjee, Ankan
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Niedermann, Florian
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Notari, Alessio
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Nunes, Rafael C.
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Pace, Francesco
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Paliathanasis, Andronikos
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Palmese, Antonella
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Pan, Supriya
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Pettorino, Valeria
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Piacentini, Francesco
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Poulin, Vivian
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Raveri, Marco
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Riess, Adam G.
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Salzano, Vincenzo
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Saridakis, Emmanuel N.
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Sen, Anjan A.
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Shafieloo, Arman
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Shajib, Anowar J.
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Silk, Joseph
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Silvestri, Alessandra
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Sloth, Martin S.
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Smith, Tristan L.
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Solà Peracaula, Joan
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van de Bruck, Carsten
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Verde, Licia
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Visinelli, Luca
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Wandelt, Benjamin D.
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Wang, Deng
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Wang, Jian-Min
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Yadav, Anil K.
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Yang, Weiqiang
Abstract
The current cosmological probes have provided a fantastic confirmation of the standard Λ Cold Dark Matter cosmological model, which has been constrained with unprecedented accuracy. However, with the increase of the experimental sensitivity, a few statistically significant tensions between different independent cosmological datasets emerged. While these tensions can be in part the result of systematic errors, the persistence after several years of accurate analysis strongly hints at cracks in the standard cosmological scenario and the need for new physics. In this Letter of Interest we will focus on the 4.4 σ tension between the Planck estimate of the Hubble constant H0 and the SH0ES collaboration measurements. After showing the H0 evaluations made from different teams using different methods and geometric calibrations, we will list a few interesting models of new physics that could solve this tension and discuss how the next decade's experiments will be crucial.
Volume
131
Start page
102605
Issn Identifier
0927-6505
Ads BibCode
2021APh...13102605D
Rights
open.access
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