J-PAS: forecasts for dark matter-dark energy elastic couplings



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Aparicio Resco, Miguel and López Maroto, Antonio and otros, ... J-PAS: forecasts for dark matter-dark energy elastic couplings. Journal of cosmology and astroparticle physics (7). ISSN 1475-7516

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Official URL: http://dx.doi.org/10.1088/1475-7516/2021/07/022


We consider a cosmological model where dark matter and dark energy feature a coupling that only affects their momentum transfer in the corresponding Euler equations. We perform a fit to cosmological observables and confirm previous findings within these scenarios that favour the presence of a coupling at more than 3a. This improvement is mainly driven by cluster counts from Planck Sunyaev-Zeldovich data that we include as a certain prior. We subsequently perform a forecast for future J-PAS data and find that clustering measurements will permit to clearly discern the presence of an interaction within a few percent level with the uncoupled case at more than 10o(-) when the complete survey, covering 8500 sq. deg., is considered. We found that the inclusion of weak lensing measurements will not help to further constrain the coupling parameter. For completeness, we compare to forecasts for DESI and Euclid, which provide similar discriminating power.

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© 2021 IOP Publishing
Artículo firmado por más de 10 autores
We thank Wilmar Cardona for useful discussions on the fit to different datasets. JBJ, DB, DF and FATP acknowledge support from the Atraccion del Talento Cientifico en Salamanca programme, from project PGC2018-096038-B-I00 by Spanish Ministerio de Ciencia, Innovacion y Universidades and Ayudas del Programa XIII by USAL. DF acknowledges support from the programme Ayudas para Financiar la Contratacion Predoctoral de Personal Investigador (ORDEN EDU/601/2020) funded by Junta de Castilla y Leon and European Social Fund. This work has been supported by the MINECO (Spain) projects FIS201678859-P and PID2019-107394GB-I00 (AEI/FEDER, UE). LRA acknowledges financial support from CNPq (306696/2018-5) and FAPESP (2015/17199-0). JA is supported by CNPq (Grants No. 310790/2014-0 and 400471/2014-0) and FAPERJ (Grant No. 233906). SB acknowledges PGC2018-097585-B-C22, MINECO/FEDER, UE of the Spanish Ministerio de Economia, Industriay Competitividad. CEFCA researchers acknowledge support from the project PGC2018-097585-B-C21. SC is supported by CNPq (Grants No. 307467/2017-1 and420641/2018-1). R.A.D. acknowledges support from the Conselho Nacional de Desenvolvimento Cientifico e Tecnologico -CNPq through BPgrant 308105/2018-4, and the Financiadora de Estudos e Projetos -FINEP grants REF. 1217/13 -01.13.0279.00 and REF 0859/10-01.10.0663.00 and also FAPERJ PRONEX grant E-26/110.566/2010 for hardware funding support for the J-PAS project through the National Observatory of Braziland Centro Brasileiro de Pesquisas Fisicas. VM thanks CNPq (Brazil) and FAPES (Brazil) for partial financial support. This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 888258. CMdO acknowledges support from Brazilian agencies CNPq (grant 312333/2014-5) and FAPESP (grant 2009/54202-8. IAA researchers acknowledge financial support from the State Agency for Research of the Spanish MCIU through the "Center of Excellence Severo Ochoa" award to the Instituto de Astrofisica de Andalucia (SEV-2017-0709). LSJ acknowledges support from Brazilian agencies CNPq (grant 304819/2017-4) and FAPESP (grant 2012/00800-4).; This paper has gone through internal review by the J-PAS collaboration. Based on observations made with the JST/T250 telescope and JPCam at the Observatorio Astrofisico de Javalambre (OAJ), in Teruel, owned, managed, and operated by the Centro de Estudios de Fisica del Cosmos de Aragon (CEFCA). We acknowledge the OAJ Data Processing and Archiving Unit (UPAD) for reducing and calibrating the OAJ data used in this work. Funding for the J-PAS Project has been provided by the Governments of Spain and Aragon through the Fondo de Inversion de Teruel, European FEDER funding and the Spanish Ministry of Science, Innovation and Universities, and by the Brazilian agencies FINEP, FAPESP, FAPERJ and by the National Observatory of Brazil. Additional funding was also provided by the Tartu Observatory and by the J-PAS Chinese Astronomical Consortium.

Uncontrolled Keywords:Baryon acoustic oscillations; Momentum exchange; Redshift
Subjects:Sciences > Physics
ID Code:68109
Deposited On:15 Oct 2021 18:38
Last Modified:18 Oct 2021 07:19

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