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An observational program focused on the high redshift ($2<z<6$) Universe has the opportunity to dramatically improve over upcoming LSS and CMB surveys on measurements of both the standard cosmological model and its extensions. Using a…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-04 Noah Sailer , Emanuele Castorina , Simone Ferraro , Martin White

Weak galaxy lensing surveys have consistently reported a lower amplitude for the matter fluctuation spectrum, as measured by the $S_8$ parameter, than expected in the $\Lambda{\rm CDM}$ cosmology favoured by $Planck$. However, the expansion…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-14 Alexandra Amon , George Efstathiou

As wide-field surveys yield increasingly precise data, multiprobe analyses offer significant advantages. In this work, we use our previously developed framework for jointly analyzing cosmic microwave background (CMB) and large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-01 Alexander Reeves , Andrina Nicola , Alexandre Refregier

We present the cosmological parameters from the CMB intensity and polarization power spectra of the 2003 Antarctic flight of the BOOMERANG telescope. The BOOMERANG data alone constrains the parameters of the $\Lambda$CDM model remarkably…

In this paper we obtain constraints on the cosmological density parameters, \Omega_m and \Omega_b, by comparing the preliminary measurement of the QSO power spectrum from the two degree field QSO redshift survey with results from an…

Astrophysics · Physics 2009-11-07 Kazuhiro Yamamoto

Constraining theoretical models with measuring the parameters of those from cosmic microwave background (CMB) anisotropy data is one of the most active areas in cosmology. WMAP, Planck and other recent experiments have shown that the six…

Cosmology and Nongalactic Astrophysics · Physics 2014-12-11 Jayanti Prasad

Recent measurements of the cosmic microwave background radiation (CMB), particularly when combined with other datasets, have revolutionised our knowledge of the values of the basic cosmological parameters. Here we summarize the state of…

Astrophysics · Physics 2007-05-23 Ariel G. Sanchez , Carlton M. Baugh

We measure the cross-correlation between the galaxy density in the Dark Energy Survey (DES) Science Verification data and the lensing of the cosmic microwave background (CMB) as reconstructed with the Planck satellite and the South Pole…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-19 T. Giannantonio , P. Fosalba , R. Cawthon , Y. Omori , M. Crocce , F. Elsner , B. Leistedt , S. Dodelson , A. Benoit-Levy , E. Gaztanaga , G. Holder , H. V. Peiris , W. J. Percival , D. Kirk , A. H. Bauer , B. A. Benson , G. M. Bernstein , J. Carretero , T. M. Crawford , R. Crittenden , D. Huterer , B. Jain , E. Krause , C. L. Reichardt , A. J. Ross , G. Simard , B. Soergel , A. Stark , K. T. Story , J. D. Vieira , J. Weller , T. Abbott , F. B. Abdalla , S. Allam , R. Armstrong , M. Banerji , R. A. Bernstein , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , D. Capozzi , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , F. J. Castander , C. L. Chang , C. E. Cunha , L. N. da Costa , C. B. D'Andrea , D. L. DePoy , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , T. F. Eifler , A. E. Evrard , A. Fausti Neto , E. Fernandez , D. A. Finley , B. Flaugher , J. Frieman , D. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , W. L. Holzapfel , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , M. March , J. L. Marshall , P. Martini , P. Melchior , R. Miquel , J. J. Mohr , R. C. Nichol , B. Nord , R. Ogando , A. A. Plazas , A. K. Romer , A. Roodman , E. S. Rykoff , M. Sako , B. R. Saliwanchik , E. Sanchez , M. Schubnell , I. Sevilla-Noarbe , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , J. Thaler , D. Thomas , V. Vikram , A. R. Walker , R. H. Wechsler , J. Zuntz

We present the analysis of the full shape of anisotropic clustering measurement from the extended Baryon Oscillation Spectroscopic Survey (eBOSS) quasar sample together with the combined galaxy sample from the Baryon Oscillation…

We implement and further refine the recently proposed method (Kashlinsky, Hern\'andez-Monteagudo & Atrio-Barandela, 2001 - KHA) for a time efficient extraction of the power spectrum from future cosmic microwave background (CMB) maps. The…

Astrophysics · Physics 2009-11-07 C. Hernandez-Monteagudo , A. Kashlinsky , F. Atrio-Barandela

The Planck cosmic microwave background (CMB) temperature data are best fit with a LCDM model that is in mild tension with constraints from other cosmological probes. The South Pole Telescope (SPT) 2540 $\text{deg}^2$ SPT-SZ survey offers…

In this paper we determine the constraints on cosmological parameters using the CMB data from the WMAP experiment together with the recent power spectrum measurement of the SDSS Luminous Red Galaxies (LRGs). Specifically, we focus on…

Astrophysics · Physics 2008-11-26 Gert Huetsi

When combining cosmological and oscillations results to constrain the neutrino sector, the question of the propagation of systematic uncertainties is often raised. We address this issue in the context of the derivation of an upper bound on…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-25 F. Couchot , S. Henrot-Versillé , O. Perdereau , S. Plaszczynski , B. Rouillé d'Orfeuil , M. Spinelli , M. Tristram

We explore transformations of the Friedman-Lema\^itre-Robertson-Walker (FLRW) metric and cosmological parameters that align with observational data, aiming to gain insights into potential extensions of standard cosmological models. We…

We present a new compilation of inferences of the linear 3D matter power spectrum at redshift $z\,{=}\,0$ from a variety of probes spanning several orders of magnitude in physical scale and in cosmic history. We develop a new lower-noise…

Cosmology and Nongalactic Astrophysics · Physics 2019-09-09 Solène Chabanier , Marius Millea , Nathalie Palanque-Delabrouille

We investigate two dark energy cosmological models (i.e., the $\Lambda$CDM and $\phi$CDM models) with massive neutrinos assuming two different neutrino mass hierarchies in both the spatially flat and non-flat scenarios, where in the…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-15 Yun Chen , Bharat Ratra , Marek Biesiada , Song Li , Zong-Hong Zhu

We present a fast Markov Chain Monte-Carlo exploration of cosmological parameter space. We perform a joint analysis of results from recent CMB experiments and provide parameter constraints, including sigma_8, from the CMB independent of…

Astrophysics · Physics 2008-11-26 Antony Lewis , Sarah Bridle

Using the latest physical modeling and constrained by the most recent data, we develop a phenomenological parameterized model of the contributions to intensity and polarization maps at millimeter wavelengths from external galaxies and…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Marius Millea , Olivier Doré , Jonathan Dudley , Gilbert Holder , Lloyd Knox , Laurie Shaw , Yong-Seon Song , Oliver Zahn

We carry out a multi-probe self-consistency test of the flat $\Lambda$CDM model with the aim of exploring potential causes of the reported tensions between high- and low-redshift cosmological observations. We divide the model into two…

We study the impact of the cosmological parameters uncertainties on the measurements of primordial non-Gaussianity through the large-scale non-Gaussian halo bias effect. While this is not expected to be an issue for the standard LCDM model,…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-13 Carmelita Carbone , Olga Mena , Licia Verde
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