Related papers: Perspectives for studying the dark energy at z>2 w…

Optimising Baryon Acoustic Oscillation Surveys - I: Testing the concordance LCDM cosmology

We optimize the design of future spectroscopic redshift surveys for constraining the dark energy via precision measurements of the baryon acoustic oscillations (BAO), with particular emphasis on the design of the Wide-Field Multi-Object…

Astrophysics · Physics 2008-11-26 David Parkinson , Chris Blake , Martin Kunz , Bruce A. Bassett , Robert C. Nichol , Karl Glazebrook

Clarifying Forecasts of Dark Energy Constraints from Baryon Acoustic Oscillations

The measurement of baryon acoustic oscillations (BAO) from a galaxy redshift survey provides one of the most promising methods for probing dark energy. In this paper, we clarify the assumptions that go into the forecasts of dark energy…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-23 Yun Wang

Dark Energy Survey Year 1 Results: Galaxy Sample for BAO Measurement

We define and characterise a sample of 1.3 million galaxies extracted from the first year of Dark Energy Survey data, optimised to measure Baryon Acoustic Oscillations in the presence of significant redshift uncertainties. The sample is…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-17 M. Crocce , A. J. Ross , I. Sevilla-Noarbe , E. Gaztanaga , J. Elvin-Poole , S. Avila , A. Alarcon , K. C. Chan , N. Banik , J. Carretero , E. Sanchez , W. G. Hartley , C. Sanchez , T. Giannantonio , R. Rosenfeld , A. I. Salvador , M. Garcia-Fernandez , J. Garcia-Bellido , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , K. Bechtol , A. Benoit-Levy , G. M. Bernstein , R. A. Bernstein , E. Bertin , D. Brooks , E. Buckley-Geer , A. Carnero Rosell , M. Carrasco Kind , F. J. Castander , R. Cawthon , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , C. Davis , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , A. Drlica-Wagner , T. F. Eifler , P. Fosalba , J. Frieman , J. Garcia-Bellido , D. W. Gerdes , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , D. Hollowood , K. Honscheid , B. Jain , D. J. James , E. Krause , K. Kuehn , S. Kuhlmann , N. Kuropatkin , O. Lahav , M. Lima , M. A. G. Maia , J. L. Marshall , P. Martini , F. Menanteau , C. J. Miller , R. Miquel , R. C. Nichol , W. J. Percival , A. A. Plazas , M. Sako , V. Scarpine , R. Schindler , D. Scolnic , E. Sheldon , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , V. Vikram , A. R. Walker , B. Yanny , Y. Zhang

Probing Dark Energy Evolution Post-DESI 2024

We study the evidence for dark energy (DE) evolution at low redshift, using baryonic acoustic oscillations (BAOs) from the DESI Early Data Release, Pantheon+ Type Ia supernovae (SNe-Ia), and redshift space distortions (RSDs) to constrain…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-30 Lili Orchard , Víctor H. Cárdenas

Measuring the Cosmic Equation of State with Galaxy Clusters in the DEEP2 Redshift Survey

The abundances of groups and clusters of galaxies are expected to have changed substantially since high redshift, with the strength of this evolution dependent upon fundamental cosmological parameters. Upcoming large redshift surveys of…

Astrophysics · Physics 2009-11-07 Jeffrey A. Newman , Christian Marinoni , Alison L. Coil , Marc Davis

Dark Energy Survey: Galaxy Sample for the Baryonic Acoustic Oscillation Measurement from the Final Dataset

In this paper we present and validate the galaxy sample used for the analysis of the baryon acoustic oscillation (BAO) signal in the Dark Energy Survey (DES) Y6 data. The definition is based on a color and redshift-dependent magnitude cut…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-19 J. Mena-Fernández , M. Rodríguez-Monroy , S. Avila , A. Porredon , K. C. Chan , H. Camacho , N. Weaverdyck , I. Sevilla-Noarbe , E. Sanchez , L. Toribio San Cipriano , J. De Vicente , I. Ferrero , R. Cawthon , A. Carnero Rosell , J. Elvin-Poole , G. Giannini , M. Adamow , K. Bechtol , A. Drlica-Wagner , R. A. Gruendl , W. G. Hartley , A. Pieres , A. J. Ross , E. S. Rykoff , E. Sheldon , B. Yanny , T. M. C. Abbott , M. Aguena , S. Allam , O. Alves , A. Amon , F. Andrade-Oliveira , J. Annis , D. Bacon , J. Blazek , S. Bocquet , D. Brooks , J. Carretero , F. J. Castander , C. Conselice , M. Crocce , L. N. da Costa , M. E. S. Pereira , T. M. Davis , N. Deiosso , S. Desai , H. T. Diehl , S. Dodelson , C. Doux , S. Everett , J. Frieman , J. García-Bellido , E. Gaztanaga , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , K. Kuehn , O. Lahav , S. Lee , C. Lidman , H. Lin , J. L. Marshall , F. Menanteau , R. Miquel , J. Myles , R. L. C. Ogando , A. Palmese , W. J. Percival , A. A. Plazas Malagón , A. Roodman , R. Rosenfeld , S. Samuroff , D. Sanchez Cid , B. Santiago , M. Schubnell , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , D. L. Tucker , A. R. Walker , J. Weller , P. Wiseman , M. Yamamoto

Dynamical Dark Energy in light of the DESI DR2 Baryonic Acoustic Oscillations Measurements

Understanding whether cosmic acceleration arises from a cosmological constant or a dynamical component is a central goal of cosmology, and the Dark Energy Spectroscopic Instrument (DESI) enables stringent tests with high-precision distance…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-30 Gan Gu , Xiaoma Wang , Yuting Wang , Gong-Bo Zhao , Levon Pogosian , Kazuya Koyama , John A. Peacock , Zheng Cai , Jorge L. Cervantes-Cota , Mustapha Ishak , Arman Shafieloo , Ruiyang Zhao , Steven Ahlen , Davide Bianchi , David Brooks , Todd Claybaugh , Shaun Cole , Axel de la Macorra , Arnaud de Mattia , Peter Doel , Simone Ferraro , Jaime E. Forero-Romero , Enrique Gaztañaga , Satya Gontcho A Gontcho , Gaston Gutierrez , ChangHoon Hahn , Cullan Howlett , Robert Kehoe , David Kirkby , Jean-Paul Kneib , Anthony Kremin , Ofer Lahav , Martin Landriau , Laurent Le Guillou , Alexie Leauthaud , Michael Levi , Marc Manera , Aaron Meisner , Ramon Miquel , John Moustakas , Andrea Muñoz-Gutiérrez , Seshadri Nadathur , Jeffrey A. Newman , Nathalie Palanque-Delabrouille , Will Percival , Francisco Prada , Ignasi Pérez-Ràfols , Graziano Rossi , Lado Samushia , Eusebio Sanchez , David Schlegel , Hee-Jong Seo , David Sprayberry , Gregory Tarlé , Michael Walther , Benjamin Alan Weaver , Pauline Zarrouk , Cheng Zhao , Rongpu Zhou , Hu Zou

DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints

We present baryon acoustic oscillation (BAO) measurements from more than 14 million galaxies and quasars drawn from the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2), based on three years of operation. For cosmology…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-10 DESI Collaboration , M. Abdul-Karim , J. Aguilar , S. Ahlen , S. Alam , L. Allen , C. Allende Prieto , O. Alves , A. Anand , U. Andrade , E. Armengaud , A. Aviles , S. Bailey , C. Baltay , P. Bansal , A. Bault , J. Behera , S. BenZvi , D. Bianchi , C. Blake , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , R. Calderon , R. Canning , A. Carnero Rosell , P. Carrilho , L. Casas , F. J. Castander , R. Cereskaite , M. Charles , E. Chaussidon , J. Chaves-Montero , D. Chebat , X. Chen , T. Claybaugh , S. Cole , A. P. Cooper , A. Cuceu , K. S. Dawson , A. de la Macorra , A. de Mattia , N. Deiosso , J. Della Costa , R. Demina , A. Dey , B. Dey , Z. Ding , P. Doel , J. Edelstein , D. J. Eisenstein , W. Elbers , P. Fagrelius , K. Fanning , E. Fernández-García , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , C. S. Frenk , C. Garcia-Quintero , L. H. Garrison , E. Gaztañaga , H. Gil-Marín , S. Gontcho A Gontcho , D. Gonzalez , A. X. Gonzalez-Morales , C. Gordon , D. Green , G. Gutierrez , J. Guy , B. Hadzhiyska , C. Hahn , S. He , M. Herbold , H. K. Herrera-Alcantar , M. Ho , K. Honscheid , C. Howlett , D. Huterer , M. Ishak , S. Juneau , N. V. Kamble , N. G. Karaçaylı , R. Kehoe , S. Kent , A. G. Kim , D. Kirkby , T. Kisner , S. E. Koposov , A. Kremin , A. Krolewski , O. Lahav , C. Lamman , M. Landriau , D. Lang , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , Q. Li , T. S. Li , K. Lodha , M. Lokken , F. Lozano-Rodríguez , C. Magneville , M. Manera , P. Martini , W. L. Matthewson , A. Meisner , J. Mena-Fernández , A. Menegas , T. Mergulhão , R. Miquel , J. Moustakas , A. Muñoz-Gutiérrez , D. Muñoz-Santos , A. D. Myers , S. Nadathur , K. Naidoo , L. Napolitano , J. A. Newman , G. Niz , H. E. Noriega , E. Paillas , N. Palanque-Delabrouille , J. Pan , J. Peacock , Marcos Pellejero Ibanez , W. J. Percival , A. Pérez-Fernández , I. Pérez-Ràfols , M. M. Pieri , C. Poppett , F. Prada , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , M. Rashkovetskyi , C. Ravoux , J. Rich , A. Rocher , C. Rockosi , J. Rohlf , J. O. Román-Herrera , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , L. Samushia , E. Sanchez , N. Sanders , D. Schlegel , M. Schubnell , H. Seo , A. Shafieloo , R. Sharples , J. Silber , F. Sinigaglia , D. Sprayberry , T. Tan , G. Tarlé , P. Taylor , W. Turner , L. A. Ureña-López , R. Vaisakh , F. Valdes , G. Valogiannis , M. Vargas-Magaña , L. Verde , M. Walther , B. A. Weaver , D. H. Weinberg , M. White , M. Wolfson , C. Yèche , J. Yu , E. A. Zaborowski , P. Zarrouk , Z. Zhai , H. Zhang , C. Zhao , G. B. Zhao , R. Zhou , H. Zou

Dark Energy Survey Year 3 Results: Galaxy Sample for BAO Measurement

In this paper we present and validate the galaxy sample used for the analysis of the Baryon Acoustic Oscillation signal (BAO) in the Dark Energy Survey (DES) Y3 data. The definition is based on a colour and redshift-dependent magnitude cut…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-17 A. Carnero Rosell , M. Rodriguez-Monroy , M. Crocce , J. Elvin-Poole , A. Porredon , I. Ferrero , J. Mena-Fernandez , R. Cawthon , J. De Vicente , E. Gaztanaga , A. J. Ross , E. Sanchez , I. Sevilla-Noarbe , O. Alves , F. Andrade-Oliveira , J. Asorey , S. Avila , A. Brandao-Souza , H. Camacho , K. C. Chan , A. Ferte , J. Muir , W. Riquelme , R. Rosenfeld , D. Sanchez Cid , W. G. Hartley , N. Weaverdyck , T. Abbott , M. Aguena , A. Sahar , J. Annis , E. Bertin , D. Brooks , E. Buckley-Geer , D. Burke , J. Calcino , D. Carollo , M. Carrasco Kind , J. Carretero , F. Castander , A. Choi , C. Conselice , M. Costanzi , L. da Costa , M. E. da Silva Pereira , T. Davis , S. Desai , H. T. Diehl , P. Doel , A. Drlica-Wagner , K. Eckert , S. Everett , A. Evrard , B. Flaugher , P. Fosalba , J. Frieman , J. Garcia-Bellido , D. Gerdes , T. Giannantonio , K. Glazebrook , D. Gruen , R. Gruendl , J. Gschwend , G. Gutierrez , S. Hinton , D. Hollowood , K. Honscheid , B. Hoyle , D. Huterer , D. James , A. Kim , E. Krause , K. Kuehn , O. Lahav , G. Lewis , C. Lidman , M. Lima , M. Maia , U. Malik , J. Marshall , F. Menanteau , R. Miquel , J. Mohr , A. Moller , R. Morgan , R. Ogando , A. Palmese , F. Paz-Chinchon , W. Percival , A. Pieres , A. Plazas Malagon , A. Roodman , V. Scarpine , M. Schubnell , S. Serrano , R. Sharp , E. Sheldon , M. Smith , M. Soares-Santos , E. Suchyta , M. Swanson , G. Tarle , D. Thomas , C. To , B. Tucker , D. Tucker , S. Uddin , T. N. Varga , DES Collaboration

Empirical H-alpha emitter count predictions for dark energy surveys

Future galaxy redshift surveys aim to measure cosmological quantities from the galaxy power spectrum. A prime example is the detection of baryonic acoustic oscillations (BAOs), providing a standard ruler to measure the dark energy equation…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 J. E. Geach , A. Cimatti , W. Percival , Y. Wang , L. Guzzo , G. Zamorani , P. Rosati , L. Pozzetti , A. Orsi , C. M. Baugh , C. G. Lacey , B. Garilli , P. Franzetti , J. R. Walsh , M. Kümmel

Measuring the cosmic evolution of dark energy with baryonic oscillations in the galaxy power spectrum

We use Monte Carlo techniques to simulate the ability of future large high-redshift galaxy surveys to measure the temporal evolution of the dark energy equation-of-state w(z), using the baryonic acoustic oscillations in the clustering power…

Astrophysics · Physics 2009-11-11 Karl Glazebrook , Chris Blake

Test $\Lambda$CDM model with High Redshift data from Baryon Acoustic Oscillations

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

Dark Energy Survey Year 3 Results: A 2.7% measurement of Baryon Acoustic Oscillation distance scale at redshift 0.835

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

Detecting Massive Galaxies at High Redshift using the Dark Energy Survey

The Dark Energy Survey (DES) will be unprecedented in its ability to probe exceptionally large cosmic volumes to relatively faint optical limits. Primarily designed for the study of comparatively low redshift (z<2) galaxies with the aim of…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-05 L. J. M. Davies , C. Maraston , D. Thomas , D. Capozzi , R. H. Wechsler , M. T. Busha , M. Banerji , F. Ostrovski , C. Papovich , B. X. Santiago , R. Nichol , M. A. G. Maia , L. N. da Costa

Baryon Oscillations and Dark-Energy Constraints from Imaging Surveys

Baryonic oscillations in the galaxy power spectrum have been studied as a way of probing dark-energy models. While most studies have focused on spectroscopic surveys at high redshift, large multi-color imaging surveys have already been…

Astrophysics · Physics 2009-11-10 Derek Dolney , Bhuvnesh Jain , Masahiro Takada

The DESI Experiment Part I: Science,Targeting, and Survey Design

DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through redshift-space distortions with a wide-area galaxy and…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 DESI Collaboration , Amir Aghamousa , Jessica Aguilar , Steve Ahlen , Shadab Alam , Lori E. Allen , Carlos Allende Prieto , James Annis , Stephen Bailey , Christophe Balland , Otger Ballester , Charles Baltay , Lucas Beaufore , Chris Bebek , Timothy C. Beers , Eric F. Bell , José Luis Bernal , Robert Besuner , Florian Beutler , Chris Blake , Hannes Bleuler , Michael Blomqvist , Robert Blum , Adam S. Bolton , Cesar Briceno , David Brooks , Joel R. Brownstein , Elizabeth Buckley-Geer , Angela Burden , Etienne Burtin , Nicolas G. Busca , Robert N. Cahn , Yan-Chuan Cai , Laia Cardiel-Sas , Raymond G. Carlberg , Pierre-Henri Carton , Ricard Casas , Francisco J. Castander , Jorge L. Cervantes-Cota , Todd M. Claybaugh , Madeline Close , Carl T. Coker , Shaun Cole , Johan Comparat , Andrew P. Cooper , M. -C. Cousinou , Martin Crocce , Jean-Gabriel Cuby , Daniel P. Cunningham , Tamara M. Davis , Kyle S. Dawson , Axel de la Macorra , Juan De Vicente , Timothée Delubac , Mark Derwent , Arjun Dey , Govinda Dhungana , Zhejie Ding , Peter Doel , Yutong T. Duan , Anne Ealet , Jerry Edelstein , Sarah Eftekharzadeh , Daniel J. Eisenstein , Ann Elliott , Stéphanie Escoffier , Matthew Evatt , Parker Fagrelius , Xiaohui Fan , Kevin Fanning , Arya Farahi , Jay Farihi , Ginevra Favole , Yu Feng , Enrique Fernandez , Joseph R. Findlay , Douglas P. Finkbeiner , Michael J. Fitzpatrick , Brenna Flaugher , Samuel Flender , Andreu Font-Ribera , Jaime E. Forero-Romero , Pablo Fosalba , Carlos S. Frenk , Michele Fumagalli , Boris T. Gaensicke , Giuseppe Gallo , Juan Garcia-Bellido , Enrique Gaztanaga , Nicola Pietro Gentile Fusillo , Terry Gerard , Irena Gershkovich , Tommaso Giannantonio , Denis Gillet , Guillermo Gonzalez-de-Rivera , Violeta Gonzalez-Perez , Shelby Gott , Or Graur , Gaston Gutierrez , Julien Guy , Salman Habib , Henry Heetderks , Ian Heetderks , Katrin Heitmann , Wojciech A. Hellwing , David A. Herrera , Shirley Ho , Stephen Holland , Klaus Honscheid , Eric Huff , Timothy A. Hutchinson , Dragan Huterer , Ho Seong Hwang , Joseph Maria Illa Laguna , Yuzo Ishikawa , Dianna Jacobs , Niall Jeffrey , Patrick Jelinsky , Elise Jennings , Linhua Jiang , Jorge Jimenez , Jennifer Johnson , Richard Joyce , Eric Jullo , Stéphanie Juneau , Sami Kama , Armin Karcher , Sonia Karkar , Robert Kehoe , Noble Kennamer , Stephen Kent , Martin Kilbinger , Alex G. Kim , David Kirkby , Theodore Kisner , Ellie Kitanidis , Jean-Paul Kneib , Sergey Koposov , Eve Kovacs , Kazuya Koyama , Anthony Kremin , Richard Kron , Luzius Kronig , Andrea Kueter-Young , Cedric G. Lacey , Robin Lafever , Ofer Lahav , Andrew Lambert , Michael Lampton , Martin Landriau , Dustin Lang , Tod R. Lauer , Jean-Marc Le Goff , Laurent Le Guillou , Auguste Le Van Suu , Jae Hyeon Lee , Su-Jeong Lee , Daniela Leitner , Michael Lesser , Michael E. Levi , Benjamin L'Huillier , Baojiu Li , Ming Liang , Huan Lin , Eric Linder , Sarah R. Loebman , Zarija Lukić , Jun Ma , Niall MacCrann , Christophe Magneville , Laleh Makarem , Marc Manera , Christopher J. Manser , Robert Marshall , Paul Martini , Richard Massey , Thomas Matheson , Jeremy McCauley , Patrick McDonald , Ian D. McGreer , Aaron Meisner , Nigel Metcalfe , Timothy N. Miller , Ramon Miquel , John Moustakas , Adam Myers , Milind Naik , Jeffrey A. Newman , Robert C. Nichol , Andrina Nicola , Luiz Nicolati da Costa , Jundan Nie , Gustavo Niz , Peder Norberg , Brian Nord , Dara Norman , Peter Nugent , Thomas O'Brien , Minji Oh , Knut A. G. Olsen , Cristobal Padilla , Hamsa Padmanabhan , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Antonella Palmese , Daniel Pappalardo , Isabelle Pâris , Changbom Park , Anna Patej , John A. Peacock , Hiranya V. Peiris , Xiyan Peng , Will J. Percival , Sandrine Perruchot , Matthew M. Pieri , Richard Pogge , Jennifer E. Pollack , Claire Poppett , Francisco Prada , Abhishek Prakash , Ronald G. Probst , David Rabinowitz , Anand Raichoor , Chang Hee Ree , Alexandre Refregier , Xavier Regal , Beth Reid , Kevin Reil , Mehdi Rezaie , Constance M. Rockosi , Natalie Roe , Samuel Ronayette , Aaron Roodman , Ashley J. Ross , Nicholas P. Ross , Graziano Rossi , Eduardo Rozo , Vanina Ruhlmann-Kleider , Eli S. Rykoff , Cristiano Sabiu , Lado Samushia , Eusebio Sanchez , Javier Sanchez , David J. Schlegel , Michael Schneider , Michael Schubnell , Aurélia Secroun , Uros Seljak , Hee-Jong Seo , Santiago Serrano , Arman Shafieloo , Huanyuan Shan , Ray Sharples , Michael J. Sholl , William V. Shourt , Joseph H. Silber , David R. Silva , Martin M. Sirk , Anze Slosar , Alex Smith , George F. Smoot , Debopam Som , Yong-Seon Song , David Sprayberry , Ryan Staten , Andy Stefanik , Gregory Tarle , Suk Sien Tie , Jeremy L. Tinker , Rita Tojeiro , Francisco Valdes , Octavio Valenzuela , Monica Valluri , Mariana Vargas-Magana , Licia Verde , Alistair R. Walker , Jiali Wang , Yuting Wang , Benjamin A. Weaver , Curtis Weaverdyck , Risa H. Wechsler , David H. Weinberg , Martin White , Qian Yang , Christophe Yeche , Tianmeng Zhang , Gong-Bo Zhao , Yi Zheng , Xu Zhou , Zhimin Zhou , Yaling Zhu , Hu Zou , Ying Zu

Cosmological constraints on dark energy models using DESI BAO 2024

Recently, the measurements of baryon acoustic oscillations (BAO) by the Dark Energy Spectroscopic Instrument (DESI) indicate a potential deviation from the standard $\Lambda$CDM model. Some studies suggest that the data points from the…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-21 Jie Zheng , Da-Chun Qiang , Zhi-Qiang You

Optimizing baryon acoustic oscillation surveys II: curvature, redshifts, and external datasets

We extend our study of the optimization of large baryon acoustic oscillation (BAO) surveys to return the best constraints on the dark energy, building on Paper I of this series (Parkinson et al. 2007). The survey galaxies are assumed to be…

Cosmology and Nongalactic Astrophysics · Physics 2010-01-18 David Parkinson , Martin Kunz , Andrew R. Liddle , Bruce A. Bassett , Robert C. Nichol , Mihran Vardanyan

Probing Dark Energy with Baryonic Acoustic Oscillations from Future Large Galaxy Redshift Surveys

We show that the measurement of the baryonic acoustic oscillations in large high redshift galaxy surveys offers a precision route to the measurement of dark energy. The cosmic microwave background provides the scale of the oscillations as a…

Astrophysics · Physics 2008-11-26 Hee-Jong Seo , Daniel J. Eisenstein

Dark Energy Survey: 2.1% measurement of the Baryon Acoustic Oscillation scale from the final dataset

Here, we present the angular diameter distance measurement obtained from the measurement of the Baryonic Acoustic Oscillation (BAO) feature using the completed Dark Energy Survey (DES) data, summarizing the main results of [Phys. Rev. D…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-16 Juan Mena-Fernández , Dark Energy Survey Collaboration