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Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies

Abdalla, Elcio, Abellán, Guillermo Franco, Aboubrahim, Amin, Agnello, Adriano, Akarsu, Özgür, Akrami, Yashar, Alestas, George, Aloni, Daniel, Amendola, Luca, Anchordoqui, Luis A., Anderson, Richard I., Arendse, Nikki, Asgari, Marika, Ballardini, Mario, Barger, Vernon, Basilakos, Spyros, Batista, Ronaldo C., Battistelli, Elia S., Battye, Richard, Benetti, Micol, Benisty, David, Berlin, Asher, de Bernardis, Paolo, Berti, Emanuele, Bidenko, Bohdan, Birrer, Simon, Blakeslee, John P., Boddy, Kimberly K., Bom, Clecio R., Bonilla, Alexander, Borghi, Nicola, Bouchet, François R., Braglia, Matteo, Buchert, Thomas, Buckley-Geer, Elizabeth, Calabrese, Erminia ORCID: https://orcid.org/0000-0003-0837-0068, Caldwell, Robert R., Camarena, David, Capozziello, Salvatore, Casertano, Stefano, Chen, Geoff C.-F., Chluba, Jens, Chen, Angela, Chen, Hsin-Yu, Chudaykin, Anton, Cicoli, Michele, Copi, Craig J., Courbin, Fred, Cyr-Racine, Francis-Yan, Czerny, Boena, Dainotti, Maria, D'Amico, Guido, Davis, Anne-Christine, de Cruz Pérez, Javier, de Haro, Jaume, Delabrouille, Jacques, Denton, Peter B., Dhawan, Suhail, Dienes, Keith R., Di Valentino, Eleonora, Du, Pu, Eckert, Dominique, Escamilla-Rivera, Celia, Ferté, Agnès, Finelli, Fabio, Fosalba, Pablo, Freedman, Wendy L., Frusciante, Noemi, Gaztañaga, Enrique, Giarè, William, Giusarma, Elena, Gómez-Valent, Adrià, Handley, Will, Harrison, Ian, Hart, Luke, Hazra, Dhiraj Kumar, Heavens, Alan, Heinesen, Asta, Hildebrandt, Hendrik, Hill, J. Colin, Hogg, Natalie B., Holz, Daniel E., Hooper, Deanna C., Hosseininejad, Nikoo, Huterer, Dragan, Ishak, Mustapha, Ivanov, Mikhail M., Jaffe, Andrew H., Jang, In Sung, Jedamzik, Karsten, Jimenez, Raul, Joseph, Melissa, Joudaki, Shahab, Kamionkowski, Marc, Karwal, Tanvi, Kazantzidis, Lavrentios, Keeley, Ryan E., Klasen, Michael, Komatsu, Eiichiro, Koopmans, Léon V.E., Kumar, Suresh, Lamagna, Luca, Lazkoz, Ruth, Lee, Chung-Chi, Lesgourgues, Julien, Levi Said, Jackson, Lewis, Tiffany R., L'Huillier, Benjamin, Lucca, Matteo, Maartens, Roy, Macri, Lucas M., Marfatia, Danny, Marra, Valerio, Martins, Carlos J.A.P., Masi, Silvia, Matarrese, Sabino, Mazumdar, Arindam, Melchiorri, Alessandro, Mena, Olga, Mersini-Houghton, Laura, Mertens, James, Milakovi?, Dinko, Minami, Yuto, Miranda, Vivian, Moreno-Pulido, Cristian, Moresco, Michele, Mota, David F., Mottola, Emil, Mozzon, Simone, Muir, Jessica, Mukherjee, Ankan, Mukherjee, Suvodip, Naselsky, Pavel, Nath, Pran, Nesseris, Savvas, Niedermann, Florian, Notari, Alessio, Nunes, Rafael C., Ó Colgáin, Eoin, Owens, Kayla A., Özülker, Emre, Pace, Francesco, Paliathanasis, Andronikos, Palmese, Antonella, Pan, Supriya, Paoletti, Daniela, Perez Bergliaffa, Santiago E., Perivolaropoulos, Leandros, Pesce, Dominic W., Pettorino, Valeria, Philcox, Oliver H.E., Pogosian, Levon, Poulin, Vivian, Poulot, Gaspard, Raveri, Marco, Reid, Mark J., Renzi, Fabrizio, Riess, Adam G., Sabla, Vivian I., Salucci, Paolo, Salzano, Vincenzo, Saridakis, Emmanuel N., Sathyaprakash, Bangalore S., Schmaltz, Martin, Schöneberg, Nils, Scolnic, Dan, Sen, Anjan A., Sehgal, Neelima, Shafieloo, Arman, Sheikh-Jabbari, M.M., Silk, Joseph, Silvestri, Alessandra, Skara, Foteini, Sloth, Martin S., Soares-Santos, Marcelle, Solà Peracaula, Joan, Songsheng, Yu-Yang, Soriano, Jorge F., Staicova, Denitsa, Starkman, Glenn D., Szapudi, István, Teixeira, Elsa M., Thomas, Brooks, Treu, Tommaso, Trott, Emery, van de Bruck, Carsten, Vazquez, J. Alberto, Verde, Licia, Visinelli, Luca, Wang, Deng, Wang, Jian-Min, Wang, Shao-Jiang, Watkins, Richard, Watson, Scott, Webb, John K., Weiner, Neal, Weltman, Amanda, Witte, Samuel J., Wojtak, Radosaw, Yadav, Anil Kumar, Yang, Weiqiang, Zhao, Gong-Bo and Zumalacárregui, Miguel 2022. Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies. Journal of High Energy Astrophysics 34 , pp. 49-211. 10.1016/j.jheap.2022.04.002

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Abstract

The standard Λ Cold Dark Matter (ΛCDM) cosmological model provides a good description of a wide range of astrophysical and cosmological data. However, there are a few big open questions that make the standard model look like an approximation to a more realistic scenario yet to be found. In this paper, we list a few important goals that need to be addressed in the next decade, taking into account the current discordances between the different cosmological probes, such as the disagreement in the value of the Hubble constant , the – tension, and other less statistically significant anomalies. While these discordances can still be in part the result of systematic errors, their persistence after several years of accurate analysis strongly hints at cracks in the standard cosmological scenario and the necessity for new physics or generalisations beyond the standard model. In this paper, we focus on the tension between the Planck CMB estimate of the Hubble constant and the SH0ES collaboration measurements. After showing the evaluations made from different teams using different methods and geometric calibrations, we list a few interesting new physics models that could alleviate this tension and discuss how the next decade's experiments will be crucial. Moreover, we focus on the tension of the Planck CMB data with weak lensing measurements and redshift surveys, about the value of the matter energy density , and the amplitude or rate of the growth of structure (). We list a few interesting models proposed for alleviating this tension, and we discuss the importance of trying to fit a full array of data with a single model and not just one parameter at a time. Additionally, we present a wide range of other less discussed anomalies at a statistical significance level lower than the – tensions which may also constitute hints towards new physics, and we discuss possible generic theoretical approaches that can collectively explain the non-standard nature of these signals. Finally, we give an overview of upgraded experiments and next-generation space missions and facilities on Earth that will be of crucial importance to address all these open questions.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Additional Information: This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Publisher: Elsevier
ISSN: 2214-4048
Date of First Compliant Deposit: 19 May 2022
Date of Acceptance: 7 April 2022
Last Modified: 10 Nov 2022 11:16
URI: https://orca.cardiff.ac.uk/id/eprint/149864

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