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相关论文: Robust New Statistic for fitting the Baryon Acoust…

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We review the different approaches for combining the cosmological information from the full shape of the pre-reconstructed power spectrum - usually referred as redshift-space distortion (RSD) analysis - and from the baryon acoustic…

宇宙学与河外天体物理 · 物理学 2022-06-01 Héctor Gil-Marín

We develop a formalism for measuring the cosmological distance scale from baryon acoustic oscillations (BAO) using the cross-correlation of a sparse redshift survey with a denser photometric sample. This reduces the shot noise that would…

宇宙学与河外天体物理 · 物理学 2018-04-25 Anna Patej , Daniel J. Eisenstein

We report the constraints of $H_0$ obtained from Wilkinson Microwave Anisotropy Probe (WMAP) combined with the latest baryonic acoustic oscillations (BAO) measurements. We use the BAO measurements from the 6dF Galaxy Survey (6dFGS), the…

宇宙学与河外天体物理 · 物理学 2018-12-06 Xue Zhang , Qing-Guo Huang

We develop an analytic method for implementing the IR-resummation of arXiv:1404.5954, which allows one to correctly and consistently describe the imprint of baryon acoustic oscillations (BAO) on statistical observables in large-scale…

宇宙学与河外天体物理 · 物理学 2020-03-18 Matthew Lewandowski , Leonardo Senatore

We investigate the application of volume statistics to probe the distribution of underdense regions in the large-scale structure of the Universe. This statistic measures the distortion of Eulerian volume elements relative to Lagrangian ones…

宇宙学与河外天体物理 · 物理学 2021-02-10 Kwan Chuen Chan , Nico Hamaus

The extended Baryon Oscillation Spectroscopic Survey (eBOSS) is one of the first of a new generation of galaxy redshift surveys that will cover a large range in redshift with sufficient resolution to measure the baryon acoustic oscillations…

宇宙学与河外天体物理 · 物理学 2018-12-26 Rossana Ruggeri , Will J. Percival , Eva-Maria Mueller , Hector Gil-Marin , Fangzhou Zhu , Nikhil Padmanabhan , Gong-Bo Zhao

We investigate if, for a fixed number density of targets and redshift, there is an optimal way to select a galaxy sample in order to measure the baryon acoustic oscillation (BAO) scale, which is used as a standard ruler to constrain the…

宇宙学与河外天体物理 · 物理学 2020-04-22 César Hernández-Aguayo , Marius Cautun , Alex Smith , Carlton M. Baugh , Baojiu Li

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…

宇宙学与河外天体物理 · 物理学 2024-09-16 Juan Mena-Fernández , Dark Energy Survey Collaboration

We consider an alternative to conventional three-point statistics such as the bispectrum, which is purely based on the Fourier phases of the density field: the line correlation function. This statistic directly probes the non-linear…

宇宙学与河外天体物理 · 物理学 2017-01-25 Alexander Eggemeier , Robert E. Smith

Third-order statistics of the cosmic density field provides a powerful cosmological probe containing synergistic information to the more commonly explored second-order statistics. Here, we exploit a spectroscopic catalog of 72,563 clusters…

宇宙学与河外天体物理 · 物理学 2021-10-13 Michele Moresco , Alfonso Veropalumbo , Federico Marulli , Lauro Moscardini , Andrea Cimatti

The density field reconstruction technique, which was developed to partially reverse the nonlinear degradation of the Baryon Acoustic Oscillation (BAO) feature in the galaxy redshift surveys, has been successful in substantially improving…

宇宙学与河外天体物理 · 物理学 2016-07-27 Hee-Jong Seo , Florian Beutler , Ashley J. Ross , Shun Saito

Baryon acoustic oscillation (BAO) is a powerful probe on the expansion of the universe, shedding light on elusive dark energy and gravity at cosmological scales. BAO measurements through biased tracers of the underlying matter density…

天体物理学 · 物理学 2008-02-19 Pengjie Zhang

We analyse the power spectrum of the Baryon Oscillation Spectroscopic Survey (BOSS), Data Release 12 (DR12) to constrain the relative velocity effect, which represents a potential systematic for measurements of the Baryon Acoustic…

宇宙学与河外天体物理 · 物理学 2017-09-08 Florian Beutler , Uros Seljak , Zvonimir Vlah

New constraints on inhomogeneous Lema\^itre-Tolman-Bondi (LTB) models alternative to Dark Energy are presented, focusing on adiabatic profiles with space-independent Big Bang and baryon fraction. The Baryon Acoustic Oscillation (BAO) scale…

宇宙学与河外天体物理 · 物理学 2012-10-25 Miguel Zumalacarregui , Juan Garcia-Bellido , Pilar Ruiz-Lapuente

In this work, we explore the cosmological implications of different baryon acoustic oscillation (BAO) data, including the BAO data extracted by using the spherically averaged one-dimensional galaxy clustering (GC) statistics (hereafter…

宇宙学与河外天体物理 · 物理学 2017-02-15 Shuang Wang , Yazhou Hu , Miao Li

The Dark Energy Spectroscopic Instrument (DESI) data release 2 (DR2) galaxy and quasar clustering data represents a significant expansion of data from DR1, providing improved statistical precision in BAO constraints across multiple tracers,…

宇宙学与河外天体物理 · 物理学 2025-03-31 U. Andrade , E. Paillas , J. Mena-Fernández , Q. Li , A. J. Ross , S. Nadathur , M. Rashkovetskyi , A. Pérez-Fernández , H. Seo , N. Sanders , O. Alves , X. Chen , N. Deiosso , A. de Mattia , M. White , M. Abdul-Karim , S. Ahlen , E. Armengaud , A. Aviles , D. Bianchi , S. Brieden , A. Brodzeller , D. Brooks , E. Burtin , R. Calderon , R. Canning , A. Carnero Rosell , L. Casas , F. J. Castander , M. Charles , E. Chaussidon , J. Chaves-Montero , T. Claybaugh , S. Cole , A. Cuceu , K. S. Dawson , A. de la Macorra , J. Della Costa , A. Dey , B. Dey , Z. Ding , P. Doel , D. J. Eisenstein , W. Elbers , E. Fernández-García , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , C. Garcia-Quintero , L. H. Garrison , E. Gaztañaga , H. Gil-Marín , S. Gontcho A Gontcho , A. X. Gonzalez-Morales , C. Gordon , G. Gutierrez , J. Guy , C. Hahn , S. He , H. K. Herrera-Alcantar , K. Honscheid , C. Howlett , D. Huterer , M. Ishak , S. Juneau , R. Kehoe , D. Kirkby , T. Kisner , A. Kremin , O. Lahav , C. Lamman , M. Landriau , L. Le Guillou , A. Leauthaud , M. E. Levi , C. Magneville , M. Manera , P. Martini , W. Matthewson , A. Meisner , R. Miquel , J. Moustakas , A. Muñoz-Gutiérrez , D. Muñoz-Santos , A. D. Myers , L. Napolitano , J. A. Newman , H. E. Noriega , N. Palanque-Delabrouille , J. Pan , W. J. Percival , I. Pérez-Ràfols , C. Poppett , F. Prada , A. Raichoor , C. Ramírez-Pérez , C. Ravoux , G. Rossi , R. Ruggeri , L. Samushia , E. Sanchez , D. Schlegel , M. Schubnell , F. Sinigaglia , D. Sprayberry , T. Tan , G. Tarlé , P. Taylor , W. Turner , R. Vaisakh , M. Vargas-Magaña , M. Walther , B. A. Weaver , M. Wolfson , J. Yu , C. Yèche , P. Zarrouk , R. Zhou , H. Zou

Consistency Relations (CR) for the Large Scale Structure are exact equalities between correlation functions of different order. These relations descend from the equivalence principle and hold for primordial perturbations generated by…

宇宙学与河外天体物理 · 物理学 2020-05-05 Marco Marinucci , Takahiro Nishimichi , Massimo Pietroni

We present a new, model-independent measurement of the clustering amplitude of galaxies and the growth of cosmic large-scale structures from the Baryon Oscillation Spectroscopic Survey (BOSS) 12th data release (DR12). This is achieved by…

宇宙学与河外天体物理 · 物理学 2023-09-14 Konstantinos Tanidis , Stefano Camera