The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics

Di Valentino E, Said JL, Riess A, Pollo A, Poulin V, Gómez-Valent A, Weltman A, Palmese A, Huang CD, Bruck Cvd, Saraf CS, Kuo CY, Uhlemann C, Grandón D, Paz D, Eckert D, Teixeira EM, Saridakis EN, Colgáin E, Beutler F, Niedermann F, Bajardi F, Barenboim G, Gubitosi G, Musella I, Banik I, Szapudi I, Singal J, Cases JH, Chluba J, Torrado J, Mifsud J, Jedamzik K, Said K, Dialektopoulos K, Herold L, Perivolaropoulos L, Zu L, Galbany L, Breuval L, Visinelli L, Escamilla LA, Anchordoqui LA, Sheikh-Jabbari MM, Lembo M, Dainotti MG, Vincenzi M, Asgari M, Gerbino M, Forconi M, Cantiello M, Moresco M, Benetti M, Schöneberg N, Akarsu Ö, Nunes RC, Bernardo RC, Chávez R, Anderson RI, Watkins R, Capozziello S, Li S, Vagnozzi S, Pan S, Treu T, Irsic V, Handley W, Giarè W, Murakami Y, Banihashemi A, Poudou A, Heavens A, Kogut A, Domi A, Lenart AŁ, Melchiorri A, Vadalà A, Amon A, Rivera AB, Reeves A, Zhuk A, Bonanno A, Övgün A, Pisani A, Talebian A, Abebe A, Aboubrahim A, Morán ALG, Kovács A, Lymperis A, Papatriantafyllou A, Liddle AR, Paliathanasis A, Borowiec A, Yadav AK, Yadav A, Sen AA, William AJ, Davis AC, Shajib AJ, Walters A, Lonappan AI, Chudaykin A, Capodagli A, Silva Ad, Felice AD, Racioppi A, Oficial AS, Montiel A, Favale A, Bernui A, Velasco AC, Heinesen A, Bakopoulos A, Chatzistavrakidis A, Khanpour B, Sathyaprakash BS, Zgirski B, L'Huillier B, Famaey B, Jain B, Zhang B, Karmakar B, Dragovich B, Thomas B, Correa C, Boiza CG, Marques C, Escamilla-Rivera C, Tzerefos C, Zhang C, Leo CD, Pfeifer C, Lee C, Venter C, Gomes C, bom CRD, Moreno-Pulido C, Iosifidis D, Grin D, Blixt D, Scolnic D, Oriti D, Dobrycheva D, Bettoni D, Benisty D, Fernández-Arenas D, Wiltshire DL, Cid DS, Tamayo D, Valls-Gabaud D, Pedrotti D, Wang D, Staicova D, Totolou D, Rubiera-Garcia D, Milaković D, Pesce DW, Sluse D, Borka D, Yusofi E, Giusarma E, Terlevich E, Tomasetti E, Vagenas EC, Fazzari E, Ferreira EG, Barakovic E, Dimastrogiovanni E, Holm EB, Mottola E, Özülker E, Specogna E, Brocato E, Jensko E, Enriquez EA, Bhatia E, Bresolin F, Avila F, Bouchè F, Bombacigno F, Anagnostopoulos FK, Pace F, Sorrenti F, Lobo FS, Courbin F, Hansen FK, Sloan G, Farrugia G, Lynch G, Garcia-Arroyo G, Raimondo G, Lambiase G, Anand GS, Poulot G, Leon G, Kouniatalis G, Nardini G, Csörnyei G, Galloni G, Bargiacchi G, Papagiannopoulos G, Montani G, Otalora G, Somma GD, Fiorentino G, Fanizza G, Luciano GG, Sarracino G, Olmo GJ, Djordjević GS, Cañas-Herrera G, Cheng H, Desmond H, Abdalla H, Chen H, Chiang HW, Feldman HA, Gohar H, Ben-Dayan I, Sevilla-Noarbe I, Antoniadis I, Cimdiker I, Albuquerque IS, Gialamas ID, Saltas I, Vavilova I, Gómez-Vargas I, Ayuso I, Zeynalabdi IN, Martino ID, Zavala I, Vázquez JA, Asorey J, Gluza J, Rubio J, Sorce JG, Wagner J, Sakstein J, Santiago J, Braatz J, Peracaula JS, Blakeslee J, Webb J, Cembranos JA, Mimoso JP, Jensen J, García-Bellido J, Prat J, Sammut K, Lehnert K, Dienes KR, Deka K, Kuijken K, Naidoo K, Gergely LÁ, Järv L, Mersini-Houghton L, Graef LL, Vacher L, Pogosian L, Anguelova L, Hamolli L, Yin L, Caloni L, Izzo L, Macri L, Padilla LE, García LÁ, Bilicki M, Najafi M, Plionis M, Gonzalez-Espinoza M, Hohmann M, Westhuizen MAd, Marconi M, Postolak M, Cesare Md, Regis M, Biesiada M, Einasto M, Saal M, Caruana M, Petronikolou M, Bouhmadi-López M, Melo M, Angelis MD, Célérier MN, Cortês M, Reid M, Rau MM, Sloth MS, Raidal M, Takada M, Reyhani M, Romanello M, Marengo M, Garny M, Leizerovich M, Martinelli M, Tagliazucchi M, Demirci M, Pinto MA, Sabogal MA, García-Aspeitia MA, Milošević M, Ghodsi M, Ishak M, Nunes NJ, Samaras N, Hamaus N, Schuster N, Borghi N, Deiosso N, Tamanini N, Fornengo N, Katırcı N, Mavromatos NE, Petropoulos N, Šarčević N, Nilsson NA, Khosravi N, Frusciante N, Postavaru O, Trivedi O, Sokoliuk O, Mena O, Morilla P, Campeti P, Salucci P, Boubel P, Bielewicz P, Heinämäki P, Suman P, Asimakis P, Ntelis P, Nath P, Jovanović P, Mukherjee P, Wojtak R, Gsponer R, Dejrah RH, Shah R, Hajjar R, Briffa R, Habas R, Pantig RC, Mendoza R, Monica RD, Stiskalek R, Roshan R, Neves RB, Molinaro R, Terlevich R, D'Agostino R, Sandoval-Orozco R, Batista RC, Ruchika , Lazkoz R, Rastgoo S, Mohammadi S, Sirletti SS, Haridasu S, Mandal S, Das S, Bahamonde S, Grandis S, Trojanowski S, Odintsov SD, Mazurenko S, Joudaki S, Suyu SH, Choudhury SR, Bhatporia S, Li SS, Bird S, Birrer S, Paradiso S, Costa SSd, Contarini S, Henrot-Versillé S, Basilakos S, Casertano S, Gariazzo S, Tsilioukas SA, Kalita S, Kumar S, Landau SJ, Castello S, Panda S, Petrushevska T, Karakasis T, Brinckmann T, Gonçalves TB, Schiavone T, Abel T, Koivisto T, Bringmann T, Demirbozan U, Kumar U, Marra V, Putten MH, Kalaitzidis V, Mitsou VA, Zarikas V, Pasic V, Keus V, Motta V, Jovanović VB, Cárdenas VH, Ripepi V, Salzano V, Impellizzeri V, Fonseca Vd, Ghirardini V, Vansevičius V, Yang W, Hellwing W, Ren X, Hu YM, Zhai Y, Sultan AM, Nosirov A, Pataki A, Santoni A, Batool A, Chakraborty A, Wojnar A, Tursunov A, De A, Hazarika A, Li B, Bose B, Mishra B, Ahmedov B, Scóccola C, Tortora C, Kenworthy DA, Holz DE, Mota DF, Pereira DS, Williams DM, Brout D, Lee DH, Guendelman E, Olex E, Silva E, Kahya EO, Mueller EM, Andrade-Oliveira F, Hunde FM, Joaquim FR, Pacaud F, Cyr-Racine FY, Nuñez FP, Rácz G, Belinario GC, Lewis GF, Dálya G, Laverda G, Risaliti G, Franco-Abellán G, Zammit H, Camilleri H, Courtois HM, Moradpour H, Pedreira IdOC, Lopes I, Csabai I, Rohlf JW, Bogdanoska J, Pérez JdC, Bachs-Esteban J, Sultana J, Lesgourgues J, Jiang JQ, Castillo KP, Jusufi K, Heisenberg L, Pati L, Koopmans LV, Duchaniya Lk, Lombriser L, Garrote MP, Domínguez M, Samsonyan M, Pace M, Krššák M, Pookkillath MC, Peronaci M, Piani M, Raftogianni M, Vyas MJ, Michalopoulou M, Gogberashvili M, Klasen M, Cicoli M, Quartin M, Zumalacárregui M, Dimitrijević MS, Dordevic M, Karčiauskas M, Le Delliou M, Grimm N, Kozameh NA, Voicu N, Pop N, Chatzifotis N, Yunusov O, Piattella OF, Ferreira PdS, Raffai P, Schupp P, Ruiz-Lapuente P, Sahoo PK, Maluf RV, Durrer R, Kadam SA, Matarrese S, Brieden S, González-Gaitán S, Lohakare SV, Watson S, Wang SJ, Nunes SM, Chakrabarti S, Das S, Mukherjee S, Jurić T, Baker T, Nakas T, Barreiro T, Mukhopadhyay U, Vujčić V, Sagun V, Srećković VA, Zhang W, Toda Y, Piao YS, Davari Z (2025)


Publication Type: Journal article, Review article

Publication year: 2025

Journal

Book Volume: 49

Article Number: 101965

DOI: 10.1016/j.dark.2025.101965

Abstract

The standard model of cosmology has provided a good phenomenological description of a wide range of observations both at astrophysical and cosmological scales for several decades. This concordance model is constructed by a universal cosmological constant and supported by a matter sector described by the standard model of particle physics and a cold dark matter contribution, as well as very early-time inflationary physics, and underpinned by gravitation through general relativity. There have always been open questions about the soundness of the foundations of the standard model. However, recent years have shown that there may also be questions from the observational sector with the emergence of differences between certain cosmological probes. In this White Paper, we identify the key objectives that need to be addressed over the coming decade together with the core science projects that aim to meet these challenges. These discordances primarily rest on the divergence in the measurement of core cosmological parameters with varying levels of statistical confidence. These possible statistical tensions may be partially accounted for by systematics in various measurements or cosmological probes but there is also a growing indication of potential new physics beyond the standard model. After reviewing the principal probes used in the measurement of cosmological parameters, as well as potential systematics, we discuss the most promising array of potential new physics that may be observable in upcoming surveys. We also discuss the growing set of novel data analysis approaches that go beyond traditional methods to test physical models. These new methods will become increasingly important in the coming years as the volume of survey data continues to increase, and as the degeneracy between predictions of different physical models grows. There are several perspectives on the divergences between the values of cosmological parameters, such as the model-independent probes in the late Universe and model-dependent measurements in the early Universe, which we cover at length. The White Paper closes with a number of recommendations for the community to focus on for the upcoming decade of observational cosmology, statistical data analysis, and fundamental physics developments. [Figure presented]

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(TYKS) FI Finland (FI) Mapúa University PH Philippines (PH) Queen Mary University of London GB United Kingdom (GB) Boston University US United States (USA) (US) University of Southampton GB United Kingdom (GB) Escuela Colombiana de Carreras Industriales (ECCI) CO Colombia (CO) Ben-Gurion University of the Negev (BGU) / אוניברסיטת בן-גוריון בנגב IL Israel (IL) Fukushima University / 福島大学 JP Japan (JP) Universidad de Playa Ancha (UPLA) CL Chile (CL) Leopold-Franzens-Universität Innsbruck / University of Innsbruck AT Austria (AT) Institute of Astronomy and Astrophysics, Academia Sinica TW Taiwan (TW) University of California, Riverside (UCR) US United States (USA) (US) Heidelberg Institute for Theoretical Studies GmbH (HITS) DE Germany (DE) Helsingin yliopisto / University of Helsinki FI Finland (FI) Laboratoire des 2 Infinis Toulouse (L2IT) FR France (FR) University of Sydney (USYD) AU Australia (AU) Kapteyn Astronomical Institute NL Netherlands (NL) Université Paris-Saclay FR France (FR) Institute for Basic Science KR Korea, Republic of (KR) Sharif University of Technology / دانشگاه صنعتی شریف (SUT) IR Iran, Islamic Republic of (IR) Università degli Studi di Napoli Federico II IT Italy (IT) Università degli Studi di Firenze / University of Florence IT Italy (IT) Politechnic University of Bucharest / Universitatea Politehnica din București RO Romania (RO) Ahmedabad University / અમદાવાદ યુનિવર્સિટી IN India (IN) University of Amsterdam NL Netherlands (NL) Plaksha University IN India (IN) Institute of Physics of Buenos Aires / Instituto de Física de Buenos Aires (IFIBA) AR Argentina (AR) Gemini Observatory Southern Operations Center (International Gemini Observatory) CL Chile (CL) Northeastern University US United States (USA) (US) Université Claude Bernard Lyon 1 (UCB) FR France (FR) University of Nova Gorica / Univerza v Novi Gorici SI Slovenia (SI) Research Institute for Astronomy and Astrophysics of Maragh (RIAAM) IR Iran, Islamic Republic of (IR) National and Kapodistrian University of Athens GR Greece (GR) Ankara University / Ankara Üniversitesi TR Turkey (TR) Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA) IT Italy (IT) University of Tarapacá / Universidad de Tarapacá CL Chile (CL) Indian Statistical Institute IN India (IN) University of Lleida / Universitat de Lleida (UdL) ES Spain (ES) Indian Institute of Astrophysics IN India (IN) Ivane Javakhishvili Tbilisi State University GE Georgia (GE) Westfälische Wilhelms-Universität (WWU) Münster DE Germany (DE) Tezpur University IN India (IN) European Space Research and Technology Centre (ESTEC, ESA) NL Netherlands (NL) Polytechnic University of Timişoara / Universitatea Politehnica Timișoara (UPT) RO Romania (RO) Zhejiang University / Chekiang University / 浙江大学 CN China (CN) Tashkent Institute of Irrigation and Agricultural Mechanization Engineers (TIIAME) / Uzbe ikromjon alijonov Mexanizatsiyalash Muhandislari Instituti UZ Uzbekistan (UZ) Southern University of Science and Technology CN China (CN) University of Insubria / Università degli Studi dell'Insubria IT Italy (IT) University of Kansas (KU) US United States (USA) (US) Ruhr-Universität Bochum (RUB) DE Germany (DE) Institute of Theoretical Physics (ITP) / 中国科学院理论物理研究所 CN China (CN) The Oskar Klein Centre SE Sweden (SE) University of Hawaiʻi at Mānoa US United States (USA) (US) VIT University (Vellore Institute of Technology) IN India (IN) Institute of Fundamental Physics / Instituto de Física Fundamental (IFF-CSIC) ES Spain (ES) National Radio Astronomy Observatory US United States (USA) (US) Tata Institute of Fundamental Research (TIFR) IN India (IN) University of Luxembourg LU Luxembourg (LU) University of Belgrade / Универзитет у Београду RS Serbia (RS) The Chinese University of Hong Kong (CUHK) CN China (CN) Hokkaido University (Hokudai) / 北海道大学 JP Japan (JP) Korea Institute for Advanced Study (KIAS) / 한국 고등과학원 KR Korea, Republic of (KR) Ruprecht-Karls-Universität Heidelberg DE Germany (DE) Comenius University Bratislava SK Slovakia (SK)

How to cite

APA:

Di Valentino, E., Said, J.L., Riess, A., Pollo, A., Poulin, V., Gómez-Valent, A.,... Davari, Z. (2025). The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics. Physics of the Dark Universe, 49. https://doi.org/10.1016/j.dark.2025.101965

MLA:

Di Valentino, Eleonora, et al. "The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics." Physics of the Dark Universe 49 (2025).

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