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Related papers: Separating the Weak Lensing and Kinetic SZ Effects…

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Recent results of ground-based telescopes, giving high-quality measurements of the CMB temperature power spectrum on small scales motivate the need for an accurate model of foregrounds, which dominate the primary signal at these multipoles.…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-06 Adélie Gorce , Marian Douspis , Laura Salvati

The kinetic Sunyaev Zel'dovich (kSZ) effect, cosmic microwave background (CMB) temperature anisotropies induced by the scattering of CMB photons from free electrons, will be measured by near-term CMB experiments at high significance. By…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-01 Dagoberto Contreras , Fiona McCarthy , Matthew C. Johnson

The kinetic Sunyaev-Zel'dovich effect (kSZ) and patchy screening effect are two complementary cosmic microwave background (CMB) probes of the reionization era. The kSZ effect is a relatively strong signal, but is difficult to disentangle…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-07 Darby Kramer , Alexander van Engelen , Christopher Cain , Niall MacCrann , Hy Trac , Skylar Grayson , Evan Scannapieco , Blake Sherwin

Upcoming cosmic microwave background (CMB) surveys will soon make the first detection of the polarized Sunyaev-Zel'dovich effect, the linear polarization generated by the scattering of CMB photons on the free electrons present in collapsed…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-04 Joel Meyers , P. Daniel Meerburg , Alexander van Engelen , Nicholas Battaglia

We predict the level of small-scale anisotropy in the cosmic microwave background (CMB) due to the Sunyaev--Zel'dovich (SZ) effect for the ensemble of cosmological models that are consistent with current measurements of large-scale CMB…

Astrophysics · Physics 2009-11-07 Gilbert P. Holder

The kinematic Sunyaev-Zel'dovich (kSZ) signal is a powerful probe of the cosmic baryon distribution. The kSZ signal is proportional to the integrated free electron momentum rather than the electron pressure (which sources the thermal SZ…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-02 Simone Ferraro , J. Colin Hill , Nick Battaglia , Jia Liu , David N. Spergel

We present the measurement of the kinematic Sunyaev-Zel'dovich (kSZ) effect in Fourier space, rather than in real space. We measure the density-weighted pairwise kSZ power spectrum, the first use of this promising approach, by…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-27 Naonori S. Sugiyama , Teppei Okumura , David N. Spergel

Secondary contributions to the anisotropy of the Cosmic Microwave Background (CMB), such as the integrated Sachs-Wolfe (ISW) effect, the thermal Sunyaev-Zel'dovich effect (tSZ), and the effect of gravitational lensing, have distinctive…

Cosmology and Nongalactic Astrophysics · Physics 2012-07-27 Dipak Munshi , Peter Coles , Alan Heavens

The kinetic Sunyaev Zel'dovich (kSZ) effect, cosmic microwave background (CMB) anisotropies induced by scattering from free electrons in bulk motion, is a primary target of future CMB experiments. Measurements of the kSZ effect have the…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-12 Juan I. Cayuso , Matthew C. Johnson , James B. Mertens

The kinematic Sunyaev-Zel'dovich (kSZ) effect --- the Doppler boosting of cosmic microwave background (CMB) photons due to Compton-scattering off free electrons with non-zero bulk velocity --- probes the abundance and distribution of…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-03 J. Colin Hill , Simone Ferraro , Nick Battaglia , Jia Liu , David N. Spergel

We review several aspects of the Sunyaev-Zel'dovich (SZ) effect associated with the large scale baryon distribution and its characteristic signatures in the statistics of cosmic microwave background (CMB) anisotropies. We discuss (1) the…

Astrophysics · Physics 2007-05-23 Asantha Cooray , Daniel Baumann , Kris Sigurdson

The cosmic microwave background (CMB) serves as a backlight to large-scale structure during the epoch of reionization, where Thomson scattering gives rise to temperature anisotropies on small angular scales from the kinetic Sunyaev…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-21 Selim C. Hotinli , Matthew C. Johnson

The Sunyaev-Zel'dovich (SZ) effect is the inverse Compton-scattering of cosmic microwave background (CMB) photons by hot electrons in the intervening gas throughout the universe. The effect has a distinct spectral signature that allows its…

Future ground-based CMB experiments will generate competitive large-scale structure datasets by precisely characterizing CMB secondary anisotropies over a large fraction of the sky. We describe a method for constraining the growth rate of…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-31 David Alonso , Thibaut Louis , Philip Bull , Pedro G. Ferreira

The Sunyaev-Zel'dovich (SZ) effects are produced by the interaction of cosmic microwave background (CMB) photons with the ionized and diffuse gas of electrons inside galaxy clusters integrated along the line of sight. The two main effects…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-01 G. Hurier

Several recent papers have studied lensing of the CMB by large-scale structures, which probes the projected matter distribution from $z=10^3$ to $z\simeq 0$. This interest is motivated in part by upcoming high resolution, high sensitivity…

Astrophysics · Physics 2009-08-18 Alexandre Amblard , Chris Vale , Martin White

The Sunyaev-Zel'dovich (SZ) effect from clusters of galaxies should yield a significant signal in cosmic microwave background(CMB) experiments at small angular scales ($\ell \ga 1000$). Experiments with sufficient frequency coverage should…

Astrophysics · Physics 2007-05-23 Gilbert P. Holder , John E. Carlstrom

The thermal Sunyaev-Zel'dovich (tSZ) effect measures the line-of-sight projection of the thermal pressure of free electrons and lacks any redshift information. By cross correlating the tSZ effect with an external cosmological tracer we can…

Cosmology and Nongalactic Astrophysics · Physics 2014-06-11 Geraint Pratten , Dipak Munshi

We study the contribution of the kinematic Sunyaev-Zel'dovich (kSZ) effect, generated by the warm-hot intergalactic medium (WHIM), to the cosmic microwave background (CMB) temperature anisotropies in the Five-Year Wilkinson Microwave…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-22 Ricardo Genova-Santos , Fernando Atrio-Barandela , Jan Muecket , Jochen Klar