Show simple item record

Files in this item


Item metadata

dc.contributor.authorAlam, Shadab
dc.contributor.authorAubert, Marie
dc.contributor.authorAvila, Santiago
dc.contributor.authorBalland, Christophe
dc.contributor.authorBautista, Julian E.
dc.contributor.authorBershady, Matthew A.
dc.contributor.authorBizyaev, Dmitry
dc.contributor.authorBlanton, Michael R.
dc.contributor.authorBolton, Adam S.
dc.contributor.authorBovy, Jo
dc.contributor.authorBrinkmann, Jonathan
dc.contributor.authorBrownstein, Joel R.
dc.contributor.authorBurtin, Etienne
dc.contributor.authorChabanier, Solene
dc.contributor.authorChapman, Michael J.
dc.contributor.authorChoi, Peter Doohyun
dc.contributor.authorChuang, Chia-Hsun
dc.contributor.authorComparat, Johan
dc.contributor.authorCousinou, Marie-Claude
dc.contributor.authorCuceu, Andrei
dc.contributor.authorDawson, Kyle S.
dc.contributor.authorde la Torre, Sylvain
dc.contributor.authorde Mattia, Arnaud
dc.contributor.authorde Sainte Agathe, Victoria
dc.contributor.authordu Mas des Bourboux, Hélion
dc.contributor.authorEscoffier, Stephanie
dc.contributor.authorEtourneau, Thomas
dc.contributor.authorFarr, James
dc.contributor.authorFont-Ribera, Andreu
dc.contributor.authorFrinchaboy, Peter M.
dc.contributor.authorFromenteau, Sebastien
dc.contributor.authorGil-Marín, Héctor
dc.contributor.authorLe Goff, Jean-Marc
dc.contributor.authorGonzalez-Morales, Alma X.
dc.contributor.authorGonzalez-Perez, Violeta
dc.contributor.authorGrabowski, Kathleen
dc.contributor.authorGuy, Julien
dc.contributor.authorHawken, Adam J.
dc.contributor.authorHou, Jiamin
dc.contributor.authorKong, Hui
dc.contributor.authorKlaene, Mark
dc.contributor.authorParker III, James
dc.contributor.authorKneib, Jean-Paul
dc.contributor.authorLin, Sicheng
dc.contributor.authorLong, Daniel
dc.contributor.authorLyke, Brad W.
dc.contributor.authorde la Macorra, Axel
dc.contributor.authorMartini, Paul
dc.contributor.authorMasters, Karen
dc.contributor.authorMohammad, Faizan G.
dc.contributor.authorMoon, Jeongin
dc.contributor.authorMueller, Eva-Maria
dc.contributor.authorMunõz-Gutieŕrez, Andrea
dc.contributor.authorMyers, Adam D.
dc.contributor.authorNadathur, Seshadri
dc.contributor.authorNeveux, Richard
dc.contributor.authorNewman, Jeffrey A.
dc.contributor.authorNoterdaeme, Pasquier
dc.contributor.authorOravetz, Audrey
dc.contributor.authorOravetz, Daniel
dc.contributor.authorPalanque-Delabrouille, Nathalie
dc.contributor.authorPan, Kaike
dc.contributor.authorPaviot, Romain
dc.contributor.authorPercival, Will J.
dc.contributor.authorPeŕez-Rafols, Ignasi
dc.contributor.authorPetitjean, Patrick
dc.contributor.authorPieri, Matthew M.
dc.contributor.authorPrakash, Abhishek
dc.contributor.authorRaichoor, Anand
dc.contributor.authorRavoux, Corentin
dc.contributor.authorRezaie, Mehdi
dc.contributor.authorRich, James
dc.contributor.authorRoss, Ashley J.
dc.contributor.authorRossi, Graziano
dc.contributor.authorRuggeri, Rossana
dc.contributor.authorRuhlmann-Kleider, Vanina
dc.contributor.authorSańchez, Ariel G.
dc.contributor.authorSańchez, F. Javier
dc.contributor.authorSańchez-Gallego, José R.
dc.contributor.authorSayres, Conor
dc.contributor.authorSchneider, Donald P.
dc.contributor.authorSeo, Hee-Jong
dc.contributor.authorShafieloo, Arman
dc.contributor.authorSlosar, Anže
dc.contributor.authorSmith, Alex
dc.contributor.authorStermer, Julianna
dc.contributor.authorTamone, Amelie
dc.contributor.authorTinker, Jeremy L.
dc.contributor.authorTojeiro, Rita
dc.contributor.authorVargas-Magaña, Mariana
dc.contributor.authorVariu, Andrei
dc.contributor.authorWang, Yuting
dc.contributor.authorWeaver, Benjamin A.
dc.contributor.authorWeijmans, Anne-Marie
dc.contributor.authorYeche, Christophe
dc.contributor.authorZarrouk, Pauline
dc.contributor.authorZhao, Cheng
dc.contributor.authorZhao, Gong-Bo
dc.contributor.authorZheng, Zheng
dc.identifier.citationAlam , S , Aubert , M , Avila , S , Balland , C , Bautista , J E , Bershady , M A , Bizyaev , D , Blanton , M R , Bolton , A S , Bovy , J , Brinkmann , J , Brownstein , J R , Burtin , E , Chabanier , S , Chapman , M J , Choi , P D , Chuang , C-H , Comparat , J , Cousinou , M-C , Cuceu , A , Dawson , K S , de la Torre , S , de Mattia , A , de Sainte Agathe , V , du Mas des Bourboux , H , Escoffier , S , Etourneau , T , Farr , J , Font-Ribera , A , Frinchaboy , P M , Fromenteau , S , Gil-Marín , H , Le Goff , J-M , Gonzalez-Morales , A X , Gonzalez-Perez , V , Grabowski , K , Guy , J , Hawken , A J , Hou , J , Kong , H , Klaene , M , Parker III , J , Kneib , J-P , Lin , S , Long , D , Lyke , B W , de la Macorra , A , Martini , P , Masters , K , Mohammad , F G , Moon , J , Mueller , E-M , Munõz-Gutieŕrez , A , Myers , A D , Nadathur , S , Neveux , R , Newman , J A , Noterdaeme , P , Oravetz , A , Oravetz , D , Palanque-Delabrouille , N , Pan , K , Paviot , R , Percival , W J , Peŕez-Rafols , I , Petitjean , P , Pieri , M M , Prakash , A , Raichoor , A , Ravoux , C , Rezaie , M , Rich , J , Ross , A J , Rossi , G , Ruggeri , R , Ruhlmann-Kleider , V , Sańchez , A G , Sańchez , F J , Sańchez-Gallego , J R , Sayres , C , Schneider , D P , Seo , H-J , Shafieloo , A , Slosar , A , Smith , A , Stermer , J , Tamone , A , Tinker , J L , Tojeiro , R , Vargas-Magaña , M , Variu , A , Wang , Y , Weaver , B A , Weijmans , A-M , Yeche , C , Zarrouk , P , Zhao , C , Zhao , G-B & Zheng , Z 2021 , ' The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey : cosmological implications from two decades of spectroscopic surveys at the Apache Point Observatory ' , Physical Review D - Particles, Fields, Gravitation and Cosmology , vol. 103 , no. 8 , 083533 .
dc.identifier.otherPURE: 271084751
dc.identifier.otherPURE UUID: 16cb26ef-e1aa-464c-beb8-2a539350c83c
dc.identifier.otherBibCode: 2020arXiv200708991E
dc.identifier.otherORCID: /0000-0002-5908-6852/work/94669810
dc.identifier.otherScopus: 85105419273
dc.identifier.otherWOS: 000649436600001
dc.descriptionFunding for SDSS-III was provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, and the U.S. Department of Energy Office of Science.en
dc.description.abstractWe present the cosmological implications from final measurements of clustering using galaxies, quasars, and Lyα forests from the completed Sloan Digital Sky Survey (SDSS) lineage of experiments in large-scale structure. These experiments, composed of data from SDSS, SDSS-II, BOSS, and eBOSS, offer independent measurements of baryon acoustic oscillation (BAO) measurements of angular-diameter distances and Hubble distances relative to the sound horizon, rd, from eight different samples and six measurements of the growth rate parameter, fσ8, from redshift-space distortions (RSD). This composite sample is the most constraining of its kind and allows us to perform a comprehensive assessment of the cosmological model after two decades of dedicated spectroscopic observation. We show that the BAO data alone are able to rule out dark-energy-free models at more than eight standard deviations in an extension to the flat, ΛCDM model that allows for curvature. When combined with Planck Cosmic Microwave Background (CMB) measurements of temperature and polarization, under the same model, the BAO data provide nearly an order of magnitude improvement on curvature constraints relative to primary CMB constraints alone. Independent of distance measurements, the SDSS RSD data complement weak lensing measurements from the Dark Energy Survey (DES) in demonstrating a preference for a flat ΛCDM cosmological model when combined with Planck measurements. The combined BAO and RSD measurements indicate σ8=0.85±0.03, implying a growth rate that is consistent with predictions from Planck temperature and polarization data and with General Relativity. When combining the results of SDSS BAO and RSD, Planck, Pantheon Type Ia supernovae (SNe Ia), and DES weak lensing and clustering measurements, all multiple-parameter extensions remain consistent with a ΛCDM model. Regardless of cosmological model, the precision on each of the three parameters, ΩΔ, H0, and σ8, remains at roughly 1%, showing changes of less than 0.6% in the central values between models. In a model that allows for free curvature and a time-evolving equation of state for dark energy, the combined samples produce a constraint Ωk=-0.0022±0.0022. The dark energy constraints lead to w0=-0.909±0.081 and wa=-0.49-0.30+0.35, corresponding to an equation of state of wp=-1.018±0.032 at a pivot redshift zp=0.29 and a Dark Energy Task Force Figure of Merit of 94. The inverse distance ladder measurement under this model yields H0=68.18±0.79 km s-1 Mpc-1, remaining in tension with several direct determination methods; the BAO data allow Hubble constant estimates that are robust against the assumption of the cosmological model. In addition, the BAO data allow estimates of H0 that are independent of the CMB data, with similar central values and precision under a ΛCDM model. Our most constraining combination of data gives the upper limit on the sum of neutrino masses at Σmν<0.115 eV (95% confidence). Finally, we consider the improvements in cosmology constraints over the last decade by comparing our results to a sample representative of the period 2000-2010. We compute the relative gain across the five dimensions spanned by w, Ωk, Σmν, H0, and σ8 and find that the SDSS BAO and RSD data reduce the total posterior volume by a factor of 40 relative to the previous generation. Adding again the Planck, DES, and Pantheon SN Ia samples leads to an overall contraction in the five-dimensional posterior volume of 3 orders of magnitude.
dc.relation.ispartofPhysical Review D - Particles, Fields, Gravitation and Cosmologyen
dc.rightsCopyright © 2021 American Physical Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the final published version of the work, which was originally published at
dc.subjectQB Astronomyen
dc.subjectQC Physicsen
dc.titleThe completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey : cosmological implications from two decades of spectroscopic surveys at the Apache Point Observatoryen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews.Centre for Contemporary Arten
dc.description.statusPeer revieweden

This item appears in the following Collection(s)

Show simple item record