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We propose a new analysis of small scale CMB data by introducing the cosmological dependency of the foreground signals, focusing first on the thermal Sunyaev-Zel'dovich (tSZ) power spectrum, derived from the halo model. We analyse the…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-22 Marian Douspis , Laura Salvati , Adélie Gorce , Nabila Aghanim

Small scale CMB angular power spectrum contains not only primordial CMB information but also many contaminants coming from secondary anisotropies. Most of the latter depend on the cosmological model but are often marginalised over. We…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-09 Marian Douspis , Laura Salvati , Adélie Gorce , Nabila Aghanim

High-precision measurements of the Cosmic Microwave Background (CMB) will soon allow for the unprecedented detection of small-scale secondary anisotropies, such as the kinetic Sunyaev-Zel'dovich (kSZ) effect. Linking the kSZ power spectrum…

The patchiness in the reionization process alters the statistics of Cosmic Microwave Background (CMB), with the kinematic Sunyaev-Zeldovich (kSZ) effect in the CMB temperature power spectrum being a notable consequence. In this work, we aim…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-13 Divesh Jain , Tirthankar Roy Choudhury , Srinivasan Raghunathan , Suvodip Mukherjee

[ABRIDGED] Inhomogeneous reionization acts as a source of arcminute-scale anisotropies in the cosmic microwave background (CMB), the most important of which is the kinetic Sunyaev-Zel'dovich (kSZ) effect. Observational efforts with the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Andrei Mesinger , Matthew McQuinn , David Spergel

The epoch of reionisation is a key phase in cosmic history, but its detailed evolution remains poorly constrained by current cosmic microwave background (CMB) observations. We investigate whether the kinetic Sunyaev--Zel'dovich (kSZ) effect…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-13 M. Douspis , A. Gorce , S. Ilić , L. McBride , M. Muñoz-Echeverría , E. Pointecouteau , L. Salvati , M. Tristram

The power spectrum of reconstructed cosmic microwave background (CMB) lensing maps is a powerful tool for constraints on cosmological parameters like the sum of the neutrino masses and the dark energy equation of state. One possible…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-23 Hongbo Cai , Mathew S. Madhavacheril , J. Colin Hill , Arthur Kosowsky

The epoch of reionization is one of the major phase transitions in the history of the universe, and is a focus of ongoing and upcoming cosmic microwave background (CMB) experiments with improved sensitivity to small-scale fluctuations.…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-24 Marcelo A. Alvarez , Simone Ferraro , J. Colin Hill , Renée Hložek , Margaret Ikape

The kinetic SZ effect, which is the dominant CMB source at arc-minute scales and $\nu \sim 217$ Ghz, probes the ionized gas peculiar momentum up to the epoch of reionization and is a sensitive measure of the reionization history. We ran…

Astrophysics · Physics 2009-11-07 Pengjie Zhang , Ue-Li Pen , Hy Trac

Patchy reionization leaves a number of imprints on the small-scale cosmic microwave background (CMB) temperature fluctuations, the largest of which is the kinematic Sunyaev-Zel'dovich (kSZ), the Doppler shift of CMB photons scattering off…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-26 Simone Ferraro , Kendrick M. Smith

We present the first calculation of the kinetic Sunyaev-Zel'dovich (kSZ) effect due to the inhomogeneous reionization of the universe based on detailed large-scale radiative transfer simulations of reionization. The resulting sky power…

Astrophysics · Physics 2011-02-11 Ilian T. Iliev , Ue-Li Pen , J. Richard Bond , Garrelt Mellema , Paul R. Shapiro

The kinetic Sunyaev Zel'dovich (kSZ) effect is a blackbody cosmic microwave background (CMB) temperature anisotropy induced by Thomson scattering off free electrons in bulk motion with respect to the CMB rest frame. The statistically…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-11 Richard Bloch , Matthew C. Johnson

The kinetic Sunyaev-Zel'dovich (kSZ) effect is a secondary cosmic microwave background (CMB) anisotropy induced by the scattering of CMB photons off intervening electrons. Through cross-correlations with tracers of large-scale structure,…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-28 Gabriela Sato-Polito , José Luis Bernal , Kimberly K. Boddy , Marc Kamionkowski

We present the first calculation of the kinetic Sunyaev-Zel'dovich (kSZ) effect due to the inhomogeneus reionization of the universe based on detailed large-scale radiative transfer simulations of reionization. The resulting sky power…

Astrophysics · Physics 2011-04-11 Ilian T. Iliev , Ue-Li Pen , J. Richard Bond , Garrelt Mellema , Paul R. Shapiro

We present new predictions for temperature (on small angular scales) and polarization (on large angular scales) CMB anisotropies induced during the epoch of reionization (EoR). Using a novel method calibrated from Radiation-Hydrodynamic…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Nick Battaglia , Aravind Natarajan , Hy Trac , Renyue Cen , Abraham Loeb

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 kinetic Sunyaev-Zeldovich (kSZ) effect will be an important source of cosmological and astrophysical information in upcoming surveys of the cosmic microwave background (CMB). However, the kSZ effect will also act as the dominant source…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-10 Simon Foreman , Selim C. Hotinli , Mathew S. Madhavacheril , Alexander van Engelen , Christina D. Kreisch

We show that, in the context of patchy reionisation, an accurate description of the angular power spectrum of the kinetic Sunyaev-Zel'dovich (kSZ) effect is not possible with simple scaling relations between the amplitude of the spectrum…

Cosmology and Nongalactic Astrophysics · Physics 2020-08-19 Adélie Gorce , Stéphane Ilić , Marian Douspis , Dominique Aubert , Mathieu Langer

We report results from an analysis aimed at detecting the trispectrum of the kinematic Sunyaev-Zel{'}dovich (kSZ) effect by combining data from the South Pole Telescope (SPT) and {\it Herschel}-SPIRE experiments over a 100 ${\rm deg}^{2}$…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-03 S. Raghunathan , P. A. R. Ade , A. J. Anderson , B. Ansarinejad , M. Archipley , J. E. Austermann , L. Balkenhol , J. A. Beall , K. Benabed , A. N. Bender , B. A. Benson , F. Bianchini , L. E. Bleem , J. Bock , F. R. Bouchet , L. Bryant , E. Camphuis , J. E. Carlstrom , T. W. Cecil , C. L. Chang , P. Chaubal , H. C. Chiang , P. M. Chichura , T. -L. Chou , R. Citron , A. Coerver , T. M. Crawford , A. T. Crites , A. Cukierman , C. Daley , K. R. Dibert , M. A. Dobbs , A. Doussot , D. Dutcher , W. Everett , C. Feng , K. R. Ferguson , K. Fichman , A. Foster , S. Galli , J. Gallicchio , A. E. Gambrel , R. W. Gardner , F. Ge , E. M. George , N. Goeckner-Wald , R. Gualtieri , F. Guidi , S. Guns , N. Gupta , T. de Haan , N. W. Halverson , E. Hivon , G. P. Holder , W. L. Holzapfel , J. C. Hood , J. D. Hrubes , A. Hryciuk , N. Huang , J. Hubmayr , K. D. Irwin , F. Kéruzoré , A. R. Khalife , L. Knox , M. Korman , K. Kornoelje , C. -L. Kuo , A. T. Lee , K. Levy , D. Li , A. E. Lowitz , C. Lu , A. Maniyar , E. S. Martsen , J. J. McMahon , F. Menanteau , M. Millea , J. Montgomery , C. Corbett Moran , Y. Nakato , T. Natoli , J. P. Nibarger , G. I. Noble , V. Novosad , Y. Omori , S. Padin , Z. Pan , P. Paschos , S. Patil , K. A. Phadke , K. Prabhu , C. Pryke , W. Quan , M. Rahimi , A. Rahlin , C. L. Reichardt , M. Rouble , J. E. Ruhl , B. R. Saliwanchik , K. K. Schaffer , E. Schiappucci , C. Sievers , G. Smecher , J. A. Sobrin , A. A. Stark , J. Stephen , A. Suzuki , C. Tandoi , K. L. Thompson , B. Thorne , C. Trendafilova , C. Tucker , C. Umilta , T. Veach , J. D. Vieira , M. P. Viero , Y. Wan , G. Wang , N. Whitehorn , W. L. K. Wu , V. Yefremenko , M. R. Young , J. A. Zebrowski , M. Zemcov

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
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