Assessing tension metrics with dark energy survey and Planck data

被引：42

作者：

Lemos, P. ^{[1
,2
]}

Raveri, M. ^{[3
]}

Campos, A. ^{[4
]}

Park, Y. ^{[5
]}

Chang, C. ^{[3
,6
]}

Weaverdyck, N. ^{[7
]}

Huterer, D. ^{[7
]}

Liddle, A. R. ^{[8
,9
,10
]}

Blazek, J. ^{[11
,12
]}

Cawthon, R. ^{[13
]}

Choi, A. ^{[11
]}

DeRose, J. ^{[14
]}

Dodelson, S. ^{[4
]}

Doux, C. ^{[15
]}

Gatti, M. ^{[15
]}

Gruen, D. ^{[16
,17
,18
]}

Harrison, I ^{[19
,20
]}

Krause, E. ^{[21
]}

Lahav, O. ^{[2
]}

MacCrann, N. ^{[22
]}

Muir, J. ^{[17
]}

Prat, J. ^{[6
]}

Rau, M. M. ^{[4
]}

Rollins, R. P. ^{[20
]}

Samuroff, S. ^{[4
]}

Zuntz, J. ^{[8
]}

Aguena, M. ^{[23
,24
]}

Allam, S. ^{[25
]}

Annis, J. ^{[25
]}

Avila, S. ^{[26
]}

Bacon, D. ^{[27
]}

Bernstein, G. M. ^{[15
]}

Bertin, E. ^{[28
,29
]}

Brooks, D. ^{[2
]}

Burke, D. L. ^{[17
,18
]}

Carnero Rosell, A. ^{[24
,30
,31
]}

Carrasco Kind, M. ^{[32
,33
]}

Carretero, J. ^{[34
]}

Castander, F. J. ^{[35
,36
]}

Conselice, C. ^{[20
,37
]}

Costanzi, M. ^{[38
,39
,40
]}

Crocce, M. ^{[35
,36
]}

Pereira, M. E. S. ^{[7
]}

Davis, T. M. ^{[41
]}

De Vicente, J. ^{[42
]}

Desai, S. ^{[43
]}

Diehl, H. T. ^{[25
]}

Doel, P. ^{[2
]}

Eckert, K. ^{[15
]}

Eifler, T. F. ^{[21
,44
]}

机构：

[1] Univ Sussex, Dept Phys & Astron, Pevensey Bldg, Brighton BN1 9QH, E Sussex, England

[2] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England

[3] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[4] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15312 USA

[5] Univ Tokyo, Kavli Inst Phys & Math Universe WPI, UTIAS, Kashiwa, Chiba 2778583, Japan

[6] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA

[7] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[8] Univ Edinburgh, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland

[9] Univ Lisbon, Fac Ciencias, Inst Astrofis & Ciencias Espaco, P-1769016 Lisbon, Portugal

[10] Perimeter Inst Theoret Phys, 31 Caroline St North, Waterloo, ON N2L 2Y5, Canada

[11] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA

[12] Ecole Polytech Fed Lausanne EPFL, Observ Sauverny, Lab Astrophys, Inst Phys, CH-1290 Versoix, Switzerland

[13] Univ Wisconsin, Phys Dept, 2320 Chamberlin Hall,1150 Univ Ave Madison, Madison, WI 53706 USA

[14] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[15] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[16] Stanford Univ, Dept Phys, 382 Via Pueblo Mall, Stanford, CA 94305 USA

[17] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, POB 2450, Stanford, CA 94305 USA

[18] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[19] Univ Oxford, Dept Phys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England

[20] Univ Manchester, Jodrell Bank, Sch Phys & Astron, Ctr Astrophys, Oxford Rd, Manchester M13 9PL, Lancs, England

[21] Univ Arizona, Dept Astron, Steward Observ, 933 North Cherry Ave, Tucson, AZ 85721 USA

[22] Univ Cambridge, Dept Appl Math & Theoret Phys, Cambridge CB3 0WA, England

[23] Univ Sao Paulo, Inst Fis, Dept Fis Matemat, CP 66318, BR-05314970 Sao Paulo, SP, Brazil

[24] Lab Interinst Astron LIneA, Rua Gal Jose Cristino 77, BR-20921400 Rio De Janeiro, RJ, Brazil

[25] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA

[26] Univ Autonoma Madrid, Inst Fis Teor UAM CSIC, E-28049 Madrid, Spain

[27] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England

[28] Inst Astrophys Paris, CNRS, UMR 7095, F-75014 Paris, France

[29] Sorbonne Univ, Inst Astrophys Paris, UMR 7095, UPMC Univ Paris 06, F-75014 Paris, France

[30] Inst Astrofis Canarias, E-38205 Tenerife, Spain

[31] Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain

[32] Natl Ctr Supercomp Applicat, Ctr Astrophys Surveys, 1205 West Clark St, Urbana, IL 61801 USA

[33] Univ Illinois, Dept Astron, 1002 W Green St, Urbana, IL 61801 USA

[34] Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Campus UAB, E-08193 Bel Bellaterra, Barcelona, Spain

[35] Inst Estudis Espacials Catalunya IEEC, E-08034 Barcelona, Spain

[36] CSIC, Inst Space Sci ICE, Campus UAB,Carrer Can Magrans S-N, E-08193 Barcelona, Spain

[37] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England

[38] Univ Trieste, Dept Phys, Astron Unit, Via Tiepolo 11, I-34131 Trieste, Italy

[39] INAF Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy

[40] Inst Fundamental Phys Universe, Via Beirut 2, I-34014 Trieste, Italy

[41] Univ Queensland, Sch Math & Phys, Brisbane, Qld 4072, Australia

[42] Ctr Invest Energet Medioambientales & Tecnol CIEM, Madrid, Spain

[43] IIT Hyderabad, Dept Phys, Kandi 502285, Telangana, India

[44] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[45] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[46] Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA

[47] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA

[48] Univ Oslo, Inst Theoret Astrophys, POB 1029 Blindern, NO-0315 Oslo, Norway

[49] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England

[50] Univ Cambridge, Kavli Inst Cosmol, Madingley Rd, Cambridge CB3 0HA, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2021年 / 505卷 / 04期

基金：

欧洲研究理事会; 英国科学技术设施理事会; 美国国家科学基金会;

关键词：

methods: statistical; cosmological parameters; cosmology: observations; COSMOLOGICAL CONSTANT; UNIVERSE; ROBUSTNESS; SUPERNOVAE; INFERENCE;

D O I：

10.1093/mnras/stab1670

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Quantifying tensions - inconsistencies amongst measurements of cosmological parameters by different experiments - has emerged as a crucial part of modern cosmological data analysis. Statistically significant tensions between two experiments or cosmological probes may indicate new physics extending beyond the standard cosmological model and need to be promptly identified. We apply several tension estimators proposed in the literature to the dark energy survey (DES) large-scale structure measurement and Planck cosmic microwave background data. We first evaluate the responsiveness of these metrics to an input tension artificially introduced between the two, using synthetic DES data. We then apply the metrics to the comparison of Planck and actual DES Year 1 data. We find that the parameter differences, Eigentension, and Suspiciousness metrics all yield similar results on both simulated and real data, while the Bayes ratio is inconsistent with the rest due to its dependence on the prior volume. Using these metrics, we calculate the tension between DES Year 1 3 x 2pt and Planck, finding the surveys to be in similar to 2.3 sigma tension under the Lambda CDM paradigm. This suite of metrics provides a toolset for robustly testing tensions in the DES Year 3 data and beyond.

引用

页码：6179 / 6194

页数：16

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