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

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Title: Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies
Authors: Abdalla, E
Abellán, GF
Aboubrahim, A
Agnello, A
Akarsu, Ö
Akrami, Y
Alestas, G
Aloni, D
Amendola, L
Anchordoqui, LA
Anderson, RI
Arendse, N
Asgari, M
Ballardini, M
Barger, V
Basilakos, S
Batista, RC
Battistelli, ES
Battye, R
Benetti, M
Benisty, D
Berlin, A
De Bernardis, P
Berti, E
Bidenko, B
Birrer, S
Blakeslee, JP
Boddy, KK
Bom, CR
Bonilla, A
Borghi, N
Bouchet, FR
Braglia, M
Buchert, T
Buckley-Geer, E
Calabrese, E
Caldwell, RR
Camarena, D
Capozziello, S
Casertano, S
Chen, GC-F
Chluba, J
Chen, A
Chen, H-Y
Chudaykin, A
Cicoli, M
Copi, CJ
Courbin, F
Cyr-Racine, F-Y
Czerny, B
Dainotti, M
D'Amico, G
Davis, A-C
De Cruz Pérez, J
De Haro, J
Delabrouille, J
Denton, PB
Dhawan, S
Dienes, KR
Di Valentino, E
Du, P
Eckert, D
Escamilla-Rivera, C
Ferté, A
Finelli, F
Fosalba, P
Freedman, WL
Frusciante, N
Gaztañaga, E
Giarè, W
Giusarma, E
Gómez-Valent, A
Handley, W
Harrison, I
Hart, L
Hazra, DK
Heavens, A
Heinesen, A
Hildebrandt, H
Hill, JC
Hogg, NB
Holz, DE
Hooper, DC
Hosseininejad, N
Huterer, D
Ishak, M
Ivanov, MM
Jaffe, AH
Jang, IS
Jedamzik, K
Jimenez, R
Joseph, M
Joudaki, S
Kamionkowski, M
Karwal, T
Kazantzidis, L
Keeley, RE
Klasen, M
Komatsu, E
Koopmans, LVE
Kumar, S
Lamagna, L
Lazkoz, R
Lee, C-C
Lesgourgues, J
Levi Said, J
Lewis, TR
L'Huillier, B
Lucca, M
Maartens, R
Macri, LM
Marfatia, D
Marra, V
Martins, CJAP
Masi, S
Matarrese, S
Mazumdar, A
Melchiorri, A
Mena, O
Mersini-Houghton, L
Mertens, J
Milaković, D
Minami, Y
Miranda, V
Moreno-Pulido, C
Moresco, M
Mota, DF
Mottola, E
Mozzon, S
Muir, J
Mukherjee, A
Mukherjee, S
Naselsky, P
Nath, P
Nesseris, S
Niedermann, F
Notari, A
Nunes, RC
Ó Colgáin, E
Owens, KA
Özülker, E
Pace, F
Paliathanasis, A
Palmese, A
Pan, S
Paoletti, D
Perez Bergliaffa, SE
Perivolaropoulos, L
Pesce, DW
Pettorino, V
Philcox, OHE
Pogosian, L
Poulin, V
Poulot, G
Raveri, M
Reid, MJ
Renzi, F
Riess, AG
Sabla, VI
Salucci, P
Salzano, V
Saridakis, EN
Sathyaprakash, BS
Schmaltz, M
Schöneberg, N
Scolnic, D
Sen, AA
Sehgal, N
Shafieloo, A
Sheikh-Jabbari, MM
Silk, J
Silvestri, A
Skara, F
Sloth, MS
Soares-Santos, M
Solà Peracaula, J
Songsheng, Y-Y
Soriano, JF
Staicova, D
Starkman, GD
Szapudi, I
Teixeira, EM
Thomas, B
Treu, T
Trott, E
Van de Bruck, C
Vazquez, JA
Verde, L
Visinelli, L
Wang, D
Wang, J-M
Wang, S-J
Watkins, R
Watson, S
Webb, JK
Weiner, N
Weltman, A
Witte, SJ
Wojtak, R
Yadav, AK
Yang, W
Zhao, G-B
Zumalacárregui, M
Item Type: Journal Article
Abstract: The standard Cold Dark Matter (CDM) 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 H0, the σ8–S8 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 5.0 σ tension between the Planck CMB 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 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 m, and the amplitude or rate of the growth of structure (σ8, f σ8). 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 H0–S8 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.
Issue Date: Jun-2022
Date of Acceptance: 7-Apr-2022
URI: http://hdl.handle.net/10044/1/97143
DOI: 10.1016/j.jheap.2022.04.002
ISSN: 2214-4048
Publisher: Elsevier BV
Start Page: 49
End Page: 211
Journal / Book Title: Journal of High Energy Astrophysics
Volume: 34
Copyright Statement: © 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Publication Status: Published
Open Access location: https://arxiv.org/abs/2203.0614298
Online Publication Date: 2022-04-15
Appears in Collections:Physics

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