Snowmass2021 - Letter of interest cosmology intertwined II: The hubble constant tension

Eleonora Di Valentino*, Luis A. Anchordoqui, Özgür Akarsu, Yacine Ali-Haimoud, Luca Amendola, Nikki Arendse, Marika Asgari, Mario Ballardini, Spyros Basilakos, Elia Battistelli, Micol Benetti, Simon Birrer, François R. Bouchet, Marco Bruni, Erminia Calabrese, David Camarena, Salvatore Capozziello, Angela Chen, Jens Chluba, Anton ChudaykinEoin Colgáin, Francis Yan Cyr-Racine, Paolo de Bernardis, Javier de Cruz Pérez, Jacques Delabrouille, Jo Dunkley, Celia Escamilla-Rivera, Agnès Ferté, Fabio Finelli, Wendy Freedman, Noemi Frusciante, Elena Giusarma, Adrià Gómez-Valent, Julien Guy, Will Handley, Ian Harrison, Luke Hart, Alan Heavens, Hendrik Hildebrandt, Daniel Holz, Dragan Huterer, Mikhail M. Ivanov, Shahab Joudaki, Marc Kamionkowski, Tanvi Karwal, Lloyd Knox, Suresh Kumar, Luca Lamagna, Julien Lesgourgues, Matteo Lucca, Valerio Marra, Silvia Masi, Sabino Matarrese, Arindam Mazumdar, Alessandro Melchiorri, Olga Mena, Laura Mersini-Houghton, Vivian Miranda, Cristian Moreno-Pulido, David F. Mota, Jessica Muir, Ankan Mukherjee, Florian Niedermann, Alessio Notari, Rafael C. Nunes, Francesco Pace, Andronikos Paliathanasis, Antonella Palmese, Supriya Pan, Daniela Paoletti, Valeria Pettorino, Francesco Piacentini, Vivian Poulin, Marco Raveri, Adam G. Riess, Vincenzo Salzano, Emmanuel N. Saridakis, Anjan A. Sen, Arman Shafieloo, Anowar J. Shajib, Joseph Silk, Alessandra Silvestri, Martin S. Sloth, Tristan L. Smith, Joan Solà Peracaula, Carsten van de Bruck, Licia Verde, Luca Visinelli, Benjamin D. Wandelt, Deng Wang, Jian Min Wang, Anil K. Yadav, Weiqiang Yang

*Kontaktforfatter for dette arbejde

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Abstrakt

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 4.4σ 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.

OriginalsprogEngelsk
Artikelnummer102605
TidsskriftAstroparticle Physics
Vol/bind131
ISSN0927-6505
DOI
StatusUdgivet - sep. 2021

Bibliografisk note

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© 2021 Elsevier B.V.

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