English
Related papers

Related papers: Constraining gravity with a new precision $E_G$ es…

200 papers

We present measurements of $E_G$, a probe of gravity from large-scale structure, using BOSS LOWZ and CMASS spectroscopic samples, with lensing measurements from SDSS (galaxy lensing) and Planck (CMB lensing). Using SDSS lensing and the BOSS…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-16 Sukhdeep Singh , Shadab Alam , Rachel Mandelbaum , Uros Seljak , Sergio Rodriguez-Torres , Shirley Ho

We demonstrate a new method to constrain gravity on the largest cosmological scales by combining measurements of cosmic microwave background (CMB) lensing and the galaxy velocity field. $E_G$ is a statistic, constructed from a gravitational…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-09 Anthony R. Pullen , Shadab Alam , Siyu He , Shirley Ho

We derive new constraints on the $E_G$ statistic as a test of gravity, combining the CMB lensing map estimated from Data Release 6 (DR6) of the Atacama Cosmology Telescope with SDSS BOSS CMASS and LOWZ galaxy data. We develop an analysis…

We measure a combination of gravitational lensing, galaxy clustering, and redshift-space distortions called $E_G$. The quantity $E_G$ probes both parts of metric potential and is insensitive to galaxy bias and $\sigma_8$. These properties…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-13 Shadab Alam , Hironao Miyatake , Surhud More , Shirley Ho , Rachel Mandelbaum

We propose a novel method to measure the $E_G$ statistic from clustering alone. The $E_G$ statistic provides an elegant way of testing the consistency of General Relativity by comparing the geometry of the Universe, probed through…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-15 Muntazir M. Abidi , Camille Bonvin , Mona Jalilvand , Martin Kunz

We assess the effect of magnification bias on the $E_G$ statistic for probing gravity. $E_G$, a statistic constructed from power spectrum estimates of both weak lensing and redshift space distortions (RSD), directly tests general relativity…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-19 Shengqi Yang , Anthony R. Pullen

We test general relativity (GR) at the effective redshift $\bar{z} \sim 1.5$ by estimating the statistic $E_G$, a probe of gravity, on cosmological scales $19 - 190\,h^{-1}{\rm Mpc}$. This is the highest-redshift and largest-scale…

We describe a methodology to probe gravity with the cosmic microwave background (CMB) lensing convergence $\kappa$, specifically by measuring $E_G$, the ratio of the Laplacian of the gravitational scalar potential difference with the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Anthony R. Pullen , Shadab Alam , Shirley Ho

The $E_G$ statistic provides a valuable tool for evaluating predictions of General Relativity (GR) by probing the relationship between gravitational potential and galaxy clustering on cosmological scales within the observable universe. In…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-07 Shang Li , Jun-Qing Xia

We present a new method for measuring the $E_G$ statistic that combines two CMB secondaries -- the kinematic Sunyaev-Zeldovich (kSZ) effect and CMB lensing -- for the first time to probe gravity on linear scales. The $E_G$ statistic is a…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-03 Raagini Patki , Nicholas Battaglia , Rachel Bean

The $E_G$ statistic is a powerful probe for detecting deviations from GR by combining weak lensing (WL), real-space clustering and redshift space distortion (RSD) measurements thus probing both the lensing and the growth effective Newton…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-26 F. Skara , L. Perivolaropoulos

The combination of Galaxy-Galaxy Lensing (GGL) and Redshift Space Distortion of galaxy clustering (RSD) is a privileged technique to test General Relativity predictions, and break degeneracies between the growth rate of structure parameter…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-17 E. Jullo , S. de la Torre , M. -C. Cousinou , S. Escoffier , C. Giocoli , R. Benton Metcalf , J. Comparat , H. -Y. Shan , M. Makler , J. -P. Kneib , F. Prada , G. Yepes , S. Gottlöber

We present forecasts for the $E_G$ statistic using redshift distributions of realistic mock galaxy samples from the upcoming Chinese Space Station Survey Telescope (CSST). The dominant uncertainty in $E_G$ stems from the redshift space…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-27 Yu Song , Yi Zheng

$E_G$ is a summary statistic that combines cosmological observables to achieve a test of gravity that is relatively model-independent. Here, we consider the power of a measurement of $E_G$ using galaxy-galaxy lensing and galaxy clustering…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-24 C. D. Leonard , S. Alam , R. Mandelbaum , M. M. Rau , S. Singh , C. M. A. Zanoletti , the LSST Dark Energy Science Collaboration

We present a new measurement of structure growth at $z \simeq 0.08$ obtained by correlating the cosmic microwave background (CMB) lensing potential map from the \textit{Planck} satellite with the angular distribution of the 2MASS…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-08 Federico Bianchini , Christian L. Reichardt

We present the first computation of the gravity model testing parameter $E_G$ on realistic simulated modified gravity galaxy mocks. The analysis is conducted using two twin simulations presented in arXiv:1805.09824(1): one based on general…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-19 C. Viglione , P. Fosalba , I. Tutusaus , L. Blot , J. Carretero , P. Tallada , F. Castander

We present results from cross-correlating Planck CMB lensing maps with the Sloan Digital Sky Survey (SDSS) galaxy lensing shape catalog and BOSS galaxy catalogs. For galaxy position vs. CMB lensing cross-correlations, we measure the…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-15 Sukhdeep Singh , Rachel Mandelbaum , Joel R. Brownstein

The physics of gravity on cosmological scales affects both the rate of assembly of large-scale structure, and the gravitational lensing of background light through this cosmic web. By comparing the amplitude of these different observational…

We present a new measurement of $E_{\rm G}$, which combines measurements of weak gravitational lensing, real-space galaxy clustering and redshift space distortions. This statistic was proposed as a consistency test of General Relativity…

‹ Prev 1 2 3 10 Next ›