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Reference TypeJournal Article
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/43F8QB5
Repositorysid.inpe.br/mtc-m21c/2020/10.23.15.50
Last Update2020:10.23.15.50.58 simone
Metadatasid.inpe.br/mtc-m21c/2020/10.23.15.50.58
Metadata Last Update2020:10.24.07.47.34 administrator
DOI10.1093/mnras/staa2036
ISSN0035-8711
1365-2966
Citation KeyNunesYadaJesuBern:2020:CoPaAn
TitleCosmological parameter analyses using transversal BAO data
Year2020
MonthSept.
Access Date2020, Nov. 28
Number of Files1
Size627 KiB
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Author1 Nunes, Rafael da Costa
2 Yadav, Santosh K.
3 Jesus, J. F.
4 Bernui, Armando
Group1 DIDAS-CGCEA-INPE-MCTIC-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 BITS Pilani
3 Universidade Estadual Paulista (UNESP)
4 Observatorio Nacional (ON)
Author e-Mail Address1 rafael.nunes@inpe.br
JournalMonthly Notices of the Royal Astronomical Society
Volume497
Secondary MarkA1_QUÍMICA A1_INTERDISCIPLINAR A1_GEOCIÊNCIAS A1_ENGENHARIAS_III A2_MATEMÁTICA_/_PROBABILIDADE_E_ESTATÍSTICA A2_ASTRONOMIA_/_FÍSICA B2_ENSINO B5_ENGENHARIAS_IV
History2020-10-23 15:50:58 :: simone -> administrator ::
2020-10-23 15:50:59 :: administrator -> simone :: 2020
2020-10-23 15:51:37 :: simone -> administrator :: 2020
2020-10-24 07:47:34 :: administrator -> simone :: 2020
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Is the master or a copy?is the master
Document Stagecompleted
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Transferable1
Content TypeExternal Contribution
Secondary TypePRE PI
Version Typepublisher
Number2
Pages2133-2141
Keywordscosmological parameters, dark energy.
AbstractWe investigate observational constraints on cosmological parameters combining 15 measurements of the transversal BAO scale (obtained free of any fiducial cosmology) with Planck-CMB data to explore the parametric space of some cosmological models. We investigate how much Planck + transversal BAO data can constraint the minimum Lambda cold dark matter (Lambda CDM) model, and extensions, including neutrinos mass scale M-nu, and the possibility for a dynamical dark energy (DE) scenario. Assuming the Lambda CDM cosmology, we find H-0 = 69.23 +/- 0.50 km s(-1) Mpc(-1), M-nu < 0.11 eV, and r(drag) = 147.59 +/- 0.26 Mpc (the sound horizon at drag epoch) from Planck + transversal BAO data. When assuming a dynamical DE cosmology, we find that the inclusion of the BAO data can indeed break the degeneracy of the DE free parameters, improving the constraints on the full parameter space significantly. We note that the model is compatible with local measurements of H-0 and there is no tension on H-0 estimates in this dynamical DE context. Also, we discuss constraints and consequences from a joint analysis with the local H-0 measurement from SH0ES. Finally, we perform a model-independent analysis for the deceleration parameter, q(z), using only information from transversal BAO data.
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Type of Workjournal article
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Mirror Repositoryurlib.net/www/2017/11.22.19.04.03
Next Higher Units8JMKD3MGPCW/3ETR8EH
DisseminationWEBSCI; PORTALCAPES; MGA; COMPENDEX.
Host Collectionurlib.net/www/2017/11.22.19.04
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