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The Baryon Acoustic Oscillations (BAO) provide a standard ruler for studying cosmic expansion. The recent observations of BAO in SDSS DR9 and DR11 take measurements of $H(z)$ at several different redshifts. It is argued that the behavior of…

Cosmology and Nongalactic Astrophysics · Physics 2015-01-05 Yazhou Hu , Miao Li , Zhenhui Zhang

We present a measurement of baryon acoustic oscillations (BAO) in the cross-correlation of quasars with the Ly$\alpha$-forest flux-transmission at a mean redshift $z=2.40$. The measurement uses the complete SDSS-III data sample: 168,889…

We present measurements of galaxy clustering from the Baryon Oscillation Spectroscopic Survey (BOSS), which is part of the Sloan Digital Sky Survey III (SDSS-III). These use the Data Release 9 (DR9) CMASS sample, which contains 264,283…

We analyze the 2D correlation function of the SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS) CMASS sample of massive galaxies of the ninth data release to measure cosmic expansion H and the angular diameter distance D_A at a mean…

We investigate the cosmological implications of the latest growth of structure measurement from the Baryon Oscillation Spectroscopic Survey (BOSS) CMASS Data Release 11 with particular focus on the sum of the neutrino masses, $\sum…

We present angular diameter measurements obtained by measuring the position of Baryon Acoustic Oscillations (BAO) in an optimised sample of galaxies from the first three years of Dark Energy Survey data (DES Y3). The sample consists of 7…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-21 DES Collaboration , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Asorey , S. Avila , G. M. Bernstein , E. Bertin , A. Brandao-Souza , D. Brooks , D. L. Burke , J. Calcino , H. Camacho , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , K. C. Chan , A. Choi , C. Conselice , M. Costanzi , M. Crocce , L. N. da Costa , M. E. S. Pereira , T. M. Davis , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , K. Eckert , J. Elvin-Poole , S. Everett , A. E. Evrard , X. Fang , I. Ferrero , A. Ferté , B. Flaugher , P. Fosalba , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , K. Glazebrook , D. Gomes , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , B. Jain , D. J. James , T. Jeltema , N. Kokron , E. Krause , K. Kuehn , O. Lahav , G. F. Lewis , C. Lidman , M. Lima , H. Lin , M. A. G. Maia , U. Malik , P. Martini , P. Melchior , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , J. Muir , J. Myles , A. Möller , A. Palmese , F. Paz-Chinchón , W. J. Percival , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , M. Rodriguez-Monroy , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , E. Sanchez , D. Sanchez Cid , V. Scarpine , S. Serrano , I. Sevilla-Noarbe , E. Sheldon , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , M. A. Troxel , B. E. Tucker , D. L. Tucker , I. Tutusaus , S. A. Uddin , T. N. Varga , J. Weller , R. D. Wilkinson

We present the first end-to-end validation of the Euclid baryon acoustic oscillation (BAO) analysis pipeline, encompassing density-field reconstruction, two-point correlation function measurement, and cosmological-parameter inference. Using…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-06 Euclid Collaboration , E. Sarpa , A. Veropalumbo , M. Bonici , M. Kärcher , M. Crocce , E. Sefusatti , E. Maragliano , E. Branchini , C. Oliveri , G. Gambardella , B. Camacho Quevedo , C. Moretti , P. Monaco , J. Bautista , M. Viel , W. J. Percival , S. Nadathur , A. Pezzotta , A. Eggemeier , A. G. Sánchez , J. Bel , C. Carbone , A. Crespi , S. Radinović , G. Parimbelli , A. Farina , I. Risso , M. Guidi , G. Degni , D. Eisenstein , F. Beutler , C. García-García , G. Piccirilli , J. G. Sorce , B. Altieri , S. Andreon , C. Baccigalupi , M. Baldi , S. Bardelli , P. Battaglia , A. Biviano , M. Brescia , S. Camera , G. Cañas-Herrera , V. Capobianco , J. Carretero , F. J. Castander , M. Castellano , G. Castignani , S. Cavuoti , K. C. Chambers , A. Cimatti , C. Colodro-Conde , G. Congedo , L. Conversi , Y. Copin , F. Courbin , H. M. Courtois , H. Degaudenzi , S. de la Torre , G. De Lucia , F. Dubath , X. Dupac , S. Escoffier , M. Farina , R. Farinelli , F. Faustini , S. Ferriol , F. Finelli , P. Fosalba , N. Fourmanoit , M. Frailis , E. Franceschi , M. Fumana , S. Galeotta , K. George , W. Gillard , B. Gillis , C. Giocoli , J. Gracia-Carpio , A. Grazian , F. Grupp , L. Guzzo , S. V. H. Haugan , W. Holmes , F. Hormuth , A. Hornstrup , K. Jahnke , M. Jhabvala , B. Joachimi , S. Kermiche , A. Kiessling , B. Kubik , M. Kümmel , M. Kunz , H. Kurki-Suonio , A. M. C. Le Brun , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , G. Mainetti , O. Mansutti , O. Marggraf , M. Martinelli , N. Martinet , F. Marulli , R. J. Massey , E. Medinaceli , S. Mei , M. Melchior , M. Meneghetti , E. Merlin , G. Meylan , A. Mora , M. Moresco , L. Moscardini , C. Neissner , S. -M. Niemi , C. Padilla , S. Paltani , F. Pasian , K. Pedersen , V. Pettorino , S. Pires , G. Polenta , M. Poncet , L. A. Popa , F. Raison , J. Rhodes , G. Riccio , F. Rizzo , E. Romelli , M. Roncarelli , R. Saglia , Z. Sakr , D. Sapone , M. Schirmer , P. Schneider , T. Schrabback , M. Scodeggio , A. Secroun , E. Sihvola , C. Sirignano , G. Sirri , L. Stanco , P. Tallada-Crespí , D. Tavagnacco , A. N. Taylor , I. Tereno , N. Tessore , S. Toft , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , L. Valenziano , J. Valiviita , T. Vassallo , G. Verdoes Kleijn , Y. Wang , J. Weller , A. Zacchei , G. Zamorani , F. M. Zerbi , E. Zucca , M. Ballardini , A. Boucaud , E. Bozzo , C. Burigana , R. Cabanac , M. Calabrese , A. Cappi , T. Castro , J. A. Escartin Vigo , G. Fabbian , J. García-Bellido , J. Macias-Perez , R. Maoli , J. Martín-Fleitas , N. Mauri , R. B. Metcalf , M. Pöntinen , V. Scottez , M. Sereno , M. Tenti , M. Tucci , M. Wiesmann , Y. Akrami , I. T. Andika , M. Archidiacono , F. Atrio-Barandela , E. Aubourg , L. Bazzanini , D. Bertacca , M. Bethermin , A. Blanchard , L. Blot , S. Borgani , M. L. Brown , S. Bruton , A. Calabro , F. Caro , C. S. Carvalho , F. Cogato , S. Contarini , A. R. Cooray , O. Cucciati , S. Davini , T. de Boer , F. De Paolis , G. Desprez , A. Díaz-Sánchez , S. Di Domizio , J. M. Diego , V. Duret , M. Y. Elkhashab , Y. Fang , P. G. Ferreira , A. Finoguenov , A. Franco , K. Ganga , T. Gasparetto , E. Gaztanaga , Z. Ghaffari , F. Giacomini , F. Gianotti , E. J. Gonzalez , G. Gozaliasl , A. Gruppuso , C. M. Gutierrez , A. Hall , H. Hildebrandt , J. Hjorth , J. J. E. Kajava , Y. Kang , V. Kansal , D. Karagiannis , K. Kiiveri , J. Kim , C. C. Kirkpatrick , K. Koyama , S. Kruk , M. C. Lam , F. Leclercq , L. Legrand , M. Lembo , F. Lepori , G. Leroy , G. F. Lesci , J. Lesgourgues , T. I. Liaudat , S. J. Liu , M. Magliocchetti , C. J. A. P. Martins , L. Maurin , M. Migliaccio , M. Miluzio , G. Morgante , K. Naidoo , A. Navarro-Alsina , S. Nesseris , F. Pace , D. Paoletti , K. Paterson , L. Patrizii , C. Pattison , A. Pisani , D. Potter , A. Pourtsidou , G. W. Pratt , S. Quai , M. Radovich , G. Rodighiero , W. Roster , S. Sacquegna , M. Sahlén , D. B. Sanders , A. Schneider , D. Sciotti , E. Sellentin , L. C. Smith , I. Szapudi , K. Tanidis , C. Tao , F. Tarsitano , G. Testera , R. Teyssier , S. Tosi , A. Troja , C. Uhlemann , C. Valieri , F. Vernizzi , G. Verza , S. Vinciguerra , M. von Wietersheim-Kramsta , N. A. Walton , A. H. Wright , H. W. Yeung

The combination of Baryonic Acoustic Oscillation (BAO) data together with light element abundance measurements from Big Bang Nucleosynthesis (BBN) has been shown to constrain the cosmological expansion history to an unprecedented degree.…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-23 N. Schöneberg , L. Verde , H. Gil-Marín , S. Brieden

We construct cosmic void catalogues with the DIVE void finder upon SDSS BOSS DR12 and eBOSS DR16 galaxy samples with BAO reconstruction applied, and perform a joint BAO analysis using different types of galaxies and the corresponding voids.…

We study the large-scale clustering of galaxies in the overlap region of the Baryon Oscillation Spectroscopic Survey (BOSS) CMASS sample and the WiggleZ Dark Energy Survey. We calculate the auto-correlation and cross-correlation functions…

Cosmology and Nongalactic Astrophysics · Physics 2015-12-02 Florian Beutler , Chris Blake , Jun Koda , Felipe Marin , Hee-Jong Seo , Antonio J. Cuesta , Donald P. Schneider

We assess the detectability of baryonic acoustic oscillations (BAO) in the power spectrum of galaxies using ultra large volume N-body simulations of the hierarchical clustering of dark matter and semi-analytical modelling of galaxy…

Astrophysics · Physics 2008-11-26 R. Angulo , C. M. Baugh , C. S. Frenk , C. G. Lacey

Accurate modeling for the evolution of the Baryon Acoustic Oscillations (BAO) is essential for using it as a standard ruler to probe cosmology. We explore the non-linearity of the BAO in different environments using the density-split…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-13 Tengpeng Xu , Yan-Chuan Cai , Yun Chen , Mark Neyrinck , Liang Gao , Qiao Wang

We present a measurement of the angular Baryon Acoustic Oscillation (BAO) scale from the completed Dark Energy Survey (DES) dataset excluding the area of overlap with the Dark Energy Spectroscopic Instrument (DESI). We follow the same…

The Baryon Acoustic Oscillations (BAO) phenomenon provides a unique opportunity to establish a standard ruler at any epoch in the history of the evolving universe. The key lies in identifying a suitable cosmological tracer to conduct the…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-13 Felipe Avila , Edilson de Carvalho , Armando Bernui , Hanna Lima , Rafael C. Nunes

The baryon acoustic oscillation (BAO) experiment requires a sufficiently dense sampling of large-scale structure tracers with spectroscopic redshift, which is observationally expensive especially at high redshifts $z\simgt 1$. Here we…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Atsushi J. Nishizawa , Masamune Oguri , Masahiro Takada

We detect the peak of baryon acoustic oscillations (BAO) in the two-point correlation function of a spectroscopic sample of $25226$ clusters selected from the Sloan Digital Sky Survey. Galaxy clusters, as tracers of massive dark matter…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 A. Veropalumbo , F. Marulli , L. Moscardini , M. Moresco , A. Cimatti

Baryon Acoustic Oscillations (BAO) allow us to determine the expansion history of the Universe, thereby shedding light on the nature of dark energy. Recent observations of BAO's in the SDSS DR9 and DR11 have provided us with statistically…

Cosmology and Nongalactic Astrophysics · Physics 2014-09-25 Varun Sahni , Arman Shafieloo , Alexei A. Starobinsky

We present a one per cent measurement of the cosmic distance scale from the detections of the baryon acoustic oscillations in the clustering of galaxies from the Baryon Oscillation Spectroscopic Survey (BOSS), which is part of the Sloan…

We measure the small-scale clustering of the Data Release 16 extended Baryon Oscillation Spectroscopic Survey Luminous Red Galaxy sample, corrected for fibre-collisions using Pairwise Inverse Probability weights, which give unbiased…

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