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

Conference · · JHEAp
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  1. Sao Paulo U.
  2. U. Montpellier 2, LUPM
  3. Munster U., ITP
  4. DARK Cosmology Ctr.
  5. Istanbul, Tech. U.
  6. Case Western Reserve U.; Imperial Coll., London; LPENS, Paris; LERMA, Ivry
  7. Ioannina U.
  8. Boston U.
  9. U. Heidelberg, ITP
  10. Lehman Coll.; City Coll., N.Y.; New York U.; Amer. Museum Natural Hist.
  11. LASTRO Observ.
  12. Stockholm U.
  13. Hull U.; Edinburgh U., Inst. Astron.
  14. Bologna U.; Bologna Observ.; INFN, Bologna; Western Cape U.
  15. Wisconsin U., Madison
  16. RCAAM, Academy of Athens; Athens Observ.
  17. Rio Grande do Norte U.
  18. Rome U.; INFN, Rome
  19. Jodrell Bank
  20. SSM, Naples; INFN, Naples
  21. Cambridge U., DAMTP; Stockholm U., OKC; Nordita; Cambridge U., KICC; Ben Gurion U. of Negev
  22. Fermilab
  23. Johns Hopkins U.
  24. Kapteyn Astron. Inst., Groningen; Groningen U.
  25. KIPAC, Menlo Park
  26. Natl. Solar Observ., Tucson
  27. Texas U.
  28. Rio de Janeiro, CBPF; Penn State U., University Park, IGC; Penn State U.; CEFET, Rio de Janeiro
  29. Juiz de Fora U.
  30. Bologna U., Dept. Astron.; Bologna Observ.
  31. Paris, Inst. Astrophys.
  32. Madrid, IFT; Bologna Observ.
  33. Lyon Observ.
  34. Fermilab; Chicago U., Astron. Astrophys. Ctr.
  35. Cardiff U.
  36. Dartmouth Coll.
  37. Espirito Santo U.
  38. U. Naples (main); INFN, Naples; TUSUR, Tomsk; SSM, Naples
  39. Baltimore, Space Telescope Sci.
  40. UCLA
  41. U. Michigan, Ann Arbor; Tokyo U., IPMU
  42. MIT, MKI
  43. McMaster U.
  44. Bologna U.; INFN, Bologna
  45. Case Western Reserve U.
  46. New Mexico U.
  47. Warsaw, CFT
  48. Natl. Astron. Observ. of Japan; Sokendai, Kanagawa; Colorado U.
  49. INFN, Parma; Parma U.
  50. Cambridge U., DAMTP; Stockholm U., OKC; Nordita; Cambridge U., KICC
  51. Kansas State U.
  52. Barcelona, Polytechnic U.
  53. CPB, Berkeley; IRFU, Saclay; USTC, Hefei; APC, Paris
  54. Brookhaven
  55. Stockholm U., OKC; Nordita; Cambridge U., KICC
  56. Arizona U.; Maryland U.
  57. Sheffield U.
  58. Beijing, Inst. High Energy Phys.
  59. U. Geneva (main)
  60. Mexico U., ICN
  61. Caltech, JPL
  62. Bologna Observ.; INFN, Bologna
  63. Barcelona, IEEC
  64. Chicago U., Astron. Astrophys. Ctr.
  65. Lisbon U., CAAUL
  66. GGI, Florence; INFN, Rome
  67. Michigan Tech. U.
  68. INFN, Rome2
  69. Cambridge U.; Cambridge U., KICC
  70. IMSc, Chennai
  71. Imperial Coll., London
  72. Ruhr U., Bochum
  73. Columbia U.; Columbia U., Astron. Astrophys.; Flatiron Inst., New York
  74. Madrid, Autonoma U.; Madrid, IFT
  75. Chicago U., Astron. Astrophys. Ctr.; Chicago U., KICP; Chicago U., EFI; Chicago U.
  76. U. Helsinki (main)
  77. Shahid Beheshti U.
  78. Michigan U.; Michigan U., MCTP
  79. U. Texas, Dallas
  80. Princeton, Inst. Advanced Study
  81. Barcelona U.; ICREA, Barcelona
  82. Waterloo U.
  83. Pennsylvania U.
  84. UC, Merced
  85. Garching, Max Planck Inst.; Tokyo U., IPMU
  86. Kapteyn Astron. Inst., Groningen
  87. Indira Gandhi U., Meerpur
  88. Basque U., Bilbao
  89. Cambridge U.
  90. RWTH Aachen U.
  91. Malta U.
  92. CRESST, Greenbelt; NASA, Goddard
  93. Sejong U.
  94. Brussels U.
  95. Western Cape U.; Portsmouth U., ICG; NITheP, Matieland
  96. Texas A-M
  97. Hawaii U.
  98. Espirito Santo U.; Trieste Observ.; IFPU, Trieste
  99. Porto U., Astron. Dept.; Porto U.
  100. Padua U.; Padua U., Astron. Dept.; INFN, Padua; Padua Observ.; GSSI, Aquila
  101. Indian Inst. Tech., Kharagpur
  102. Valencia U., IFIC
  103. North Carolina U.
  104. Washington U., St. Louis
  105. IFPU, Trieste; Trieste Observ.; INFN, Trieste
  106. Osaka U., Res. Ctr. Nucl. Phys.
  107. YITP, Stony Brook
  108. Barcelona U., ECM; ICC, Barcelona U.
  109. Inst. Theor. Astrophys., Oslo
  110. Portsmouth U., ICG
  111. Perimeter Inst. Theor. Phys.
  112. Jamia Millia Islamia
  113. Bohr Inst.
  114. Northeastern U.
  115. Nordita
  116. Sao Jose, INPE
  117. CQUeST, Seoul; Sogang U.
  118. Turin U.; INFN, Turin
  119. DUT, Durban; Chile Austral U., Valdivia
  120. UC, Berkeley
  121. Presidency U., Kolkata
  122. Rio de Janeiro State U.
  123. Harvard-Smithsonian Ctr. Astrophys.; Harvard U. (main)
  124. AIM, Saclay
  125. Princeton U., Astrophys. Sci. Dept.; Princeton, Inst. Advanced Study
  126. Simon Fraser U.
  127. Harvard-Smithsonian Ctr. Astrophys.
  128. Leiden U.
  129. SISSA, Trieste; INFN, Trieste
  130. Szczecin U.
  131. Athens Observ.; USTC, Hefei; CUST, SKLPDE; Hefei, CUST
  132. Penn State U.; Cardiff U.
  133. Duke U.
  134. Ahmedabad U.; Jamia Millia Islamia
  135. SUNY, Stony Brook
  136. KASI, DaeJeon
  137. IPM, Tehran
  138. Southern Denmark U., CP3-Origins
  139. U. Michigan, Ann Arbor
  140. Lehman Coll.; City Coll., N.Y.
  141. Sofiya, Inst. Nucl. Res.
  142. Case Western Reserve U.; Imperial Coll., London
  143. Inst. Astron., Honolulu
  144. Lafayette Coll.
  145. Mexico U.
  146. ICC, Barcelona U.; ICREA, Barcelona; Barcelona, Autonoma U.
  147. Shanghai Jiaotong U.
  148. NAOC, Beijing
  149. Beijing, Inst. Theor. Phys.
  150. Wake Forest U.
  151. Syracuse U. (main)
  152. New York U., CCPP; New York U.
  153. Cape Town U., Dept. Math.
  154. U. Amsterdam, GRAPPA; Amsterdam U.
  155. Galgotias U., Greater Noida
  156. Liaoning Normal U.
  157. NAOC, Beijing; Beijing, GUCAS
  158. Potsdam, Max Planck Inst.
+ Show Author Affiliations
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 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 5.0σ 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 Ωm , 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.
Research Organization:
Chile Austral U., Valdivia; Basque U., Bilbao; Shahid Beheshti U.; Brussels U.; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); CQUeST, Seoul; ICC, Barcelona U.; Sofiya, Inst. Nucl. Res.; Waterloo U.; Lyon Observ.; U. Montpellier 2, LUPM; SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); MIT, MKI; Stockholm U.; Indian Inst. Tech., Kharagpur; Rio Grande do Norte U.; Tokyo U., IPMU; Kansas State U.; Szczecin U.; Case Western Reserve U.; Espirito Santo U.; UC, Merced; Garching, Max Planck Inst.; Syracuse U. (main); SUNY, Stony Brook; Hefei, CUST; Bologna Observ.; U. Naples (main); Boston U.; SISSA, Trieste; INFN, Trieste; GGI, Florence; New York U.; New York U., CCPP; Brookhaven National Laboratory (BNL), Upton, NY (United States); Valencia U., IFIC; Indira Gandhi U., Meerpur; Inst. Astron., Honolulu; Harvard U. (main); Leiden U.; Barcelona, Autonoma U.; Padua Observ.; Lafayette Coll.; U. Michigan, Ann Arbor; Washington U., St. Louis; Potsdam, Max Planck Inst.; Bologna U., Dept. Astron.; U. Texas, Dallas; Lehman Coll.; Southern Denmark U., CP3-Origins; Turin U.; Northeastern U.; Jamia Millia Islamia; Sao Paulo U.; Princeton, Inst. Advanced Study; UC, Berkeley; Amsterdam U.; Trieste Observ.; Barcelona U.; Duke U.; Wake Forest U.; NAOC, Beijing; Beijing, Inst. High Energy Phys.; Cape Town U., Dept. Math.; Mexico U., ICN; Galgotias U., Greater Noida; Ben Gurion U. of Negev; Presidency U., Kolkata; INFN, Rome2; Warsaw, CFT; Texas U.; UCLA; Simon Fraser U.; Chicago U., Astron. Astrophys. Ctr.; Columbia U., Astron. Astrophys.; Edinburgh U., Inst. Astron.; Madrid, IFT; Sheffield U.; INFN, Parma; Chicago U., EFI; Barcelona, IEEC; Parma U.; INFN, Padua; Portsmouth U., ICG; USTC, Hefei; Flatiron Inst., New York; Johns Hopkins U.; SSM, Naples; CRESST, Greenbelt; Porto U.; Athens Observ.; IPM, Tehran; Porto U., Astron. Dept.; Inst. Theor. Astrophys., Oslo; Penn State U., University Park, IGC; Imperial Coll., London; IFPU, Trieste; Hull U.; NITheP, Matieland; Beijing, Inst. Theor. Phys.; Caltech, JPL; Chicago U., KICP; Nordita; DUT, Durban; Hawaii U.; Shanghai Jiaotong U.; Bologna U.; Sogang U.; Beijing, GUCAS; INFN, Turin; ICREA, Barcelona; Ioannina U.; AIM, Saclay; Sejong U.; Colorado U.; Juiz de Fora U.; Wisconsin U., Madison; Liaoning Normal U.; Amer. Museum Natural Hist.; McMaster U.; LERMA, Ivry; IRFU, Saclay; YITP, Stony Brook; Ahmedabad U.; Lisbon U., CAAUL; U. Heidelberg, ITP; IMSc, Chennai; Natl. Astron. Observ. of Japan; Padua U., Astron. Dept.; Barcelona, Polytechnic U.; CEFET, Rio de Janeiro; Paris, Inst. Astrophys.; Dartmouth Coll.; APC, Paris; Rio de Janeiro State U.; Barcelona U., ECM; Texas A-M; Baltimore, Space Telescope Sci.; LASTRO Observ.; RCAAM, Academy of Athens; Cambridge U., DAMTP; Ruhr U., Bochum; Columbia U.; GSSI, Aquila; City Coll., N.Y.; Penn State U.; Natl. Solar Observ., Tucson; Rome U.; Cambridge U.; New Mexico U.; Stockholm U., OKC; NASA, Goddard; North Carolina U.; U. Geneva (main); Rio de Janeiro, CBPF; Sao Jose, INPE; Cambridge U., KICC; Chicago U.; RWTH Aachen U.; Perimeter Inst. Theor. Phys.; Malta U.; Cardiff U.; Padua U.; Bohr Inst.; Osaka U., Res. Ctr. Nucl. Phys.; Arizona U.; Western Cape U.; Groningen U.; Mexico U.; Istanbul, Tech. U.; Pennsylvania U.; TUSUR, Tomsk; INFN, Naples; Michigan U.; Sokendai, Kanagawa; KASI, DaeJeon; Princeton U., Astrophys. Sci. Dept.; INFN, Rome; U. Helsinki (main); Michigan Tech. U.; Kapteyn Astron. Inst., Groningen; Harvard-Smithsonian Ctr. Astrophys.; U. Amsterdam, GRAPPA; LPENS, Paris; DARK Cosmology Ctr.; INFN, Bologna; Maryland U.; CPB, Berkeley; Michigan U., MCTP; Jodrell Bank; Madrid, Autonoma U.; Munster U., ITP; CUST, SKLPDE
Sponsoring Organization:
US Department of Energy
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1862246
Report Number(s):
FERMILAB-CONF-22-192-SCD; oai:inspirehep.net:2050441; arXiv:2203.06142
Resource Type:
Conference paper
Conference Information:
Journal Name: JHEAp
Country of Publication:
United States
Language:
English

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