Related papers: Constraining Dark Matter Parameters in the Lambda-…

Status of the $S_8$ Tension: A 2026 Review of Probe Discrepancies

The parameter $S_8 \equiv \sigma_8 (\Omega_m/0.3)^{0.5}$ quantifies the amplitude of matter density fluctuations. A persistent discrepancy exists between early-universe CMB observations and late-universe probes. This review assesses the…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-30 Ioannis Pantos , Leandros Perivolaropoulos

Dark Energy Survey Year 3 Results: Cosmological Constraints from Cluster Abundances, Weak Lensing, and Galaxy Clustering

Galaxy clusters provide a unique probe of the late-time cosmic structure and serve as a powerful independent test of the $\Lambda$CDM model. This work presents the first set of cosmological constraints derived with ~16,000 optically…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-19 DES Collaboration , T. M. C. Abbott , M. Aguena , A. Alarcon , D. Anbajagane , F. Andrade-Oliveira , S. Avila , D. Bacon , M. R. Becker , S. Bhargava , J. Blazek , S. Bocquet , D. Brooks , A. Carnero Rosell , J. Carretero , F. J. Castander , C. Chang , A. Choi , C. Conselice , M. Costanzi , M. Crocce , L. N. da Costa , M. E. S. Pereira , T. M. Davis , S. Desai , H. T. Diehl , S. Dodelson , P. Doel , J. Elvin-Poole , J. Esteves , S. Everett , A. Farahi , A. Ferté , B. Flaugher , J. García-Bellido , M. Gatti , G. Giannini , P. Giles , S. Grandis , D. Gruen , R. A. Gruendl , G. Gutierrez , I. Harrison , S. R. Hinton , D. L. Hollowood , K. Honscheid , N. Jeffrey , T. Jeltema , E. Krause , O. Lahav , S. Lee , C. Lidman , M. Lima , H. Lin , J. J. Mohr , J. L. Marshall , J. McCullough , J. Mena-Fern , R. Miquel , J. Muir , J. Myles , R. L. C. Ogando , A. Palmese , M. Paterno , A. A. Plazas Malagón , A. Porredon , J. Prat , A. K. Romer , A. Roodman , E. Rozo , E. S. Rykoff , E. Sanchez , D. Sanchez Cid , I. Sevilla-Noarbe , M. Smith , E. Suchyta , G. Tarle , D. Thomas , Chun-Hao To , M. A. Troxel , V. Vikram , A. R. Walker , David H. Weinberg , N. Weaverdyck , R. H. Wechsler , J. Weller , H. -Y. Wu , M. Yamamoto , B. Yanny , Y. Zhang , C. Zhou

Separate Constraints on Early and Late Cosmology

Since the public release of Planck data, several attempts have been made to explain the observed small tensions with other data-sets, most of them involving an extension of the {\Lambda}CDM Model. We try here an alternative approach to the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Benjamin Audren

Cosmological Parameters from pre-Planck CMB Measurements: a 2017 Update

We present cosmological constraints from the combination of the full mission 9-year WMAP release and small-scale temperature data from the pre-Planck ACT and SPT generation of instruments. This is an update of the analysis presented in…

Cosmology and Nongalactic Astrophysics · Physics 2017-04-05 Erminia Calabrese , Renée A. Hložek , J. Richard Bond , Mark J. Devlin , Joanna Dunkley , Mark Halpern , Adam D. Hincks , Kent D. Irwin , Arthur Kosowsky , Kavilan Moodley , Laura B. Newburgh , Michael D. Niemack , Lyman A. Page , Blake D. Sherwin , Jonathan L. Sievers , David N. Spergel , Suzanne T. Staggs , Edward J. Wollack

Testing Planck 2020 and DESI data on wCDM Models

This work delves into the dynamical dark energy models of the wCDM parameterisation that are defined by their equation of state by comparing different, well-known parameterisation models, in an attempt to lessen the tensions of {H_0} and…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-21 Kathleen Sammut

Dark Energy Survey Year 3 Results: Cosmology from Cosmic Shear and Robustness to Modeling Uncertainty

This work and its companion paper, Amon et al. (2021), present cosmic shear measurements and cosmological constraints from over 100 million source galaxies in the Dark Energy Survey (DES) Year 3 data. We constrain the lensing amplitude…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-17 L. F. Secco , S. Samuroff , E. Krause , B. Jain , J. Blazek , M. Raveri , A. Campos , A. Amon , A. Chen , C. Doux , A. Choi , D. Gruen , G. M. Bernstein , C. Chang , J. DeRose , J. Myles , A. Ferté , P. Lemos , D. Huterer , J. Prat , M. A. Troxel , N. MacCrann , A. R. Liddle , T. Kacprzak , X. Fang , C. Sánchez , S. Pandey , S. Dodelson , P. Chintalapati , K. Hoffmann , A. Alarcon , O. Alves , F. Andrade-Oliveira , E. J. Baxter , K. Bechtol , M. R. Becker , A. Brandao-Souza , H. Camacho , A. Carnero Rosell , M. Carrasco Kind , R. Cawthon , J. P. Cordero , M. Crocce , C. Davis , E. Di Valentino , A. Drlica-Wagner , K. Eckert , T. F. Eifler , M. Elidaiana , F. Elsner , J. Elvin-Poole , S. Everett , P. Fosalba , O. Friedrich , M. Gatti , G. Giannini , R. A. Gruendl , I. Harrison , W. G. Hartley , K. Herner , H. Huang , E. M. Huff , M. Jarvis , N. Jeffrey , N. Kuropatkin , P. -F. Leget , J. Muir , J. Mccullough , A. Navarro Alsina , Y. Omori , Y. Park , A. Porredon , R. Rollins , A. Roodman , R. Rosenfeld , A. J. Ross , E. S. Rykoff , J. Sanchez , I. Sevilla-Noarbe , E. S. Sheldon , T. Shin , I. Tutusaus , T. N. Varga , N. Weaverdyck , R. H. Wechsler , B. Yanny , B. Yin , Y. Zhang , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , D. Bacon , E. Bertin , S. Bhargava , S. L. Bridle , D. Brooks , E. Buckley-Geer , D. L. Burke , J. Carretero , M. Costanzi , L. N. da Costa , J. De Vicente , H. T. Diehl , J. P. Dietrich , P. Doel , I. Ferrero , B. Flaugher , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , T. Jeltema , K. Kuehn , O. Lahav , M. Lima , H. Lin , M. A. G. Maia , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , R. L. C. Ogando , A. Palmese , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , M. Rodriguez-Monroy , A. K. Romer , E. Sanchez , V. Scarpine , M. Schubnell , D. Scolnic , S. Serrano , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To

Revisiting Metastable Dark Energy and Tensions in the Estimation of Cosmological Parameters

We investigate constraints on some key cosmological parameters by confronting metastable dark energy models with different combinations of the most recent cosmological observations. Along with the standard $\Lambda$CDM model, two…

Cosmology and Nongalactic Astrophysics · Physics 2020-01-14 Xiaolei Li , Arman Shafieloo , Varun Sahni , Alexei A. Starobinsky

Planck confronts large scale structure: methods to quantify discordance

Discordance in the $\Lambda$CDM cosmological model can be seen by comparing parameters constrained by CMB measurements to those inferred by probes of large scale structure. Recent improvements in observations, including final data releases…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-05 Tom Charnock , Richard A. Battye , Adam Moss

Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances and Weak Lensing

We perform a joint analysis of the counts and weak lensing signal of redMaPPer clusters selected from the Dark Energy Survey (DES) Year 1 dataset. Our analysis uses the same shear and source photometric redshifts estimates as were used in…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-15 DES Collaboration , Tim Abbott , Michel Aguena , Alex Alarcon , Sahar Allam , Steve Allen , James Annis , Santiago Avila , David Bacon , Alberto Bermeo , Gary Bernstein , Emmanuel Bertin , Sunayana Bhargava , Sebastian Bocquet , David Brooks , Dillon Brout , Elizabeth Buckley-Geer , David Burke , Aurelio Carnero Rosell , Matias Carrasco Kind , Jorge Carretero , Francisco Javier Castander , Ross Cawthon , Chihway Chang , Xinyi Chen , Ami Choi , Matteo Costanzi , Martin Crocce , Luiz da Costa , Tamara Davis , Juan De Vicente , Joseph DeRose , Shantanu Desai , H. Thomas Diehl , Jörg Dietrich , Scott Dodelson , Peter Doel , Alex Drlica-Wagner , Kathleen Eckert , Tim Eifler , Jack Elvin-Poole , Juan Estrada , Spencer Everett , August Evrard , Arya Farahi , Ismael Ferrero , Brenna Flaugher , Pablo Fosalba , Josh Frieman , Juan Garcia-Bellido , Marco Gatti , Enrique Gaztanaga , David Gerdes , Tommaso Giannantonio , Paul Giles , Sebastian Grandis , Daniel Gruen , Robert Gruendl , Julia Gschwend , Gaston Gutierrez , Will Hartley , Samuel Hinton , Devon L. Hollowood , Klaus Honscheid , Ben Hoyle , Dragan Huterer , David James , Mike Jarvis , Tesla Jeltema , Margaret Johnson , Stephen Kent , Elisabeth Krause , Richard Kron , Kyler Kuehn , Nikolay Kuropatkin , Ofer Lahav , Ting Li , Christopher Lidman , Marcos Lima , Huan Lin , Niall MacCrann , Marcio Maia , Adam Mantz , Jennifer Marshall , Paul Martini , Julian Mayers , Peter Melchior , Juan Mena , Felipe Menanteau , Ramon Miquel , Joe Mohr , Robert Nichol , Brian Nord , Ricardo Ogando , Antonella Palmese , Francisco Paz-Chinchon , Andrés Plazas Malagón , Judit Prat , Markus Michael Rau , Kathy Romer , Aaron Roodman , Philip Rooney , Eduardo Rozo , Eli Rykoff , Masao Sako , Simon Samuroff , Carles Sanchez , Alexandro Saro , Vic Scarpine , Michael Schubnell , Daniel Scolnic , Santiago Serrano , Ignacio Sevilla , Erin Sheldon , J. Allyn Smith , Eric Suchyta , Molly Swanson , Gregory Tarle , Daniel Thomas , Chun-Hao To , Michael A. Troxel , Douglas Tucker , Tamas Norbert Varga , Anja von der Linden , Alistair Walker , Risa Wechsler , Jochen Weller , Reese Wilkinson , Hao-Yi Wu , Brian Yanny , Zhuowen Zhang , Joe Zuntz

Dark Energy Survey Year 3 results: Cosmology with peaks using an emulator approach

We constrain the matter density $\Omega_{\mathrm{m}}$ and the amplitude of density fluctuations $\sigma_8$ within the $\Lambda$CDM cosmological model with shear peak statistics and angular convergence power spectra using mass maps…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-26 D. Zürcher , J. Fluri , R. Sgier , T. Kacprzak , M. Gatti , C. Doux , L. Whiteway , A. Refregier , C. Chang , N. Jeffrey , B. Jain , P. Lemos , D. Bacon , A. Alarcon , A. Amon , K. Bechtol , M. Becker , G. Bernstein , A. Campos , R. Chen , A. Choi , C. Davis , J. Derose , S. Dodelson , F. Elsner , J. Elvin-Poole , S. Everett , A. Ferte , D. Gruen , I. Harrison , D. Huterer , M. Jarvis , P. F. Leget , N. Maccrann , J. Mccullough , J. Muir , J. Myles , A. Navarro Alsina , S. Pandey , J. Prat , M. Raveri , R. P. Rollins , A. Roodman , C. Sanchez , L. F. Secco , E. Sheldon , T. Shin , M. Troxel , I. Tutusaus , B. Yin , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Annis , E. Bertin , D. Brooks , D. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. Castander , R. Cawthon , C. Conselice , M. Costanzi , L. da Costa , M. E. da Silva Pereira , T. Davis , J. De Vicente , S. Desai , H. T. Diehl , J. Dietrich , P. Doel , K. Eckert , A. Evrard , I. Ferrero , B. Flaugher , P. Fosalba , D. Friedel , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. Gerdes , T. Giannantonio , R. Gruendl , J. Gschwend , G. Gutierrez , S. Hinton , D. L. Hollowood , K. Honscheid , B. Hoyle , D. James , K. Kuehn , N. Kuropatkin , O. Lahav , C. Lidman , M. Lima , M. Maia , J. Marshall , P. Melchior , F. Menanteau , R. Miquel , R. Morgan , A. Palmese , F. Paz-Chinchon , A. Pieres , A. Plazas Malagón , K. Reil , M. Rodriguez Monroy , K. Romer , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla , M. Smith , E. Suchyta , G. Tarle , D. Thomas , C. To , T. N. Varga , J. Weller , R. Wilkinson

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck III: Combined cosmological constraints

We present cosmological constraints from the analysis of two-point correlation functions between galaxy positions and galaxy lensing measured in Dark Energy Survey (DES) Year 3 data and measurements of cosmic microwave background (CMB)…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-15 T. M. C. Abbott , M. Aguena , A. Alarcon , O. Alves , A. Amon , F. Andrade-Oliveira , J. Annis , B. Ansarinejad , S. Avila , D. Bacon , E. J. Baxter , K. Bechtol , M. R. Becker , B. A. Benson , G. M. Bernstein , E. Bertin , J. Blazek , L. E. Bleem , S. Bocquet , D. Brooks , E. Buckley-Geer , D. L. Burke , H. Camacho , A. Campos , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , R. Cawthon , C. Chang , C. L. Chang , R. Chen , A. Choi , R. Chown , C. Conselice , J. Cordero , M. Costanzi , T. Crawford , A. T. Crites , M. Crocce , L. N. da Costa , C. Davis , T. M. Davis , T. de Haan , J. De Vicente , J. DeRose , S. Desai , H. T. Diehl , M. A. Dobbs , S. Dodelson , P. Doel , C. Doux , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , J. Elvin-Poole , S. Everett , W. Everett , X. Fang , I. Ferrero , A. Ferté , B. Flaugher , P. Fosalba , O. Friedrich , J. Frieman , J. García-Bellido , M. Gatti , E. M. George , T. Giannantonio , G. Giannini , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , N. W. Halverson , I. Harrison , K. Herner , S. R. Hinton , G. P. Holder , D. L. Hollowood , W. L. Holzapfel , K. Honscheid , J. D. Hrubes , H. Huang , E. M. Huff , D. Huterer , B. Jain , D. J. James , M. Jarvis , T. Jeltema , S. Kent , L. Knox , A. Kovacs , E. Krause , K. Kuehn , N. Kuropatkin , O. Lahav , A. T. Lee , P. -F. Leget , P. Lemos , A. R. Liddle , C. Lidman , D. Luong-Van , J. J. McMahon , N. MacCrann , M. March , J. L. Marshall , P. Martini , J. McCullough , P. Melchior , F. Menanteau , S. S. Meyer , R. Miquel , L. Mocanu , J. J. Mohr , R. Morgan , J. Muir , J. Myles , T. Natoli , A. Navarro-Alsina , R. C. Nichol , Y. Omori , S. Padin , S. Pandey , Y. Park , F. Paz-Chinchón , M. E. S. Pereira , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , C. Pryke , M. Raveri , C. L. Reichardt , R. P. Rollins , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , J. E. Ruhl , E. S. Rykoff , C. Sánchez , E. Sanchez , J. Sanchez , K. K. Schaffer , L. F. Secco , I. Sevilla-Noarbe , E. Sheldon , T. Shin , E. Shirokoff , M. Smith , Z. Staniszewski , A. A. Stark , E. Suchyta , M. E. C. Swanson , G. Tarle , C. To , M. A. Troxel , I. Tutusaus , T. N. Varga , J. D. Vieira , N. Weaverdyck , R. H. Wechsler , J. Weller , R. Williamson , W. L. K. Wu , B. Yanny , B. Yin , Y. Zhang , J. Zuntz

Planck 2013 results. XVI. Cosmological parameters

We present the first results based on Planck measurements of the CMB temperature and lensing-potential power spectra. The Planck spectra at high multipoles are extremely well described by the standard spatially-flat six-parameter LCDM…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Planck Collaboration , P. A. R. Ade , N. Aghanim , C. Armitage-Caplan , M. Arnaud , M. Ashdown , F. Atrio-Barandela , J. Aumont , C. Baccigalupi , A. J. Banday , R. B. Barreiro , J. G. Bartlett , E. Battaner , K. Benabed , A. Benoît , A. Benoit-Lévy , J. -P. Bernard , M. Bersanelli , P. Bielewicz , J. Bobin , J. J. Bock , A. Bonaldi , J. R. Bond , J. Borrill , F. R. Bouchet , M. Bridges , M. Bucher , C. Burigana , R. C. Butler , E. Calabrese , B. Cappellini , J. -F. Cardoso , A. Catalano , A. Challinor , A. Chamballu , R. -R. Chary , X. Chen , H. C. Chiang , L. -Y Chiang , P. R. Christensen , S. Church , D. L. Clements , S. Colombi , L. P. L. Colombo , F. Couchot , A. Coulais , B. P. Crill , A. Curto , F. Cuttaia , L. Danese , R. D. Davies , R. J. Davis , P. de Bernardis , A. de Rosa , G. de Zotti , J. Delabrouille , J. -M. Delouis , F. -X. Désert , C. Dickinson , J. M. Diego , K. Dolag , H. Dole , S. Donzelli , O. Doré , M. Douspis , J. Dunkley , X. Dupac , G. Efstathiou , F. Elsner , T. A. Enßlin , H. K. Eriksen , F. Finelli , O. Forni , M. Frailis , A. A. Fraisse , E. Franceschi , T. C. Gaier , S. Galeotta , S. Galli , K. Ganga , M. Giard , G. Giardino , Y. Giraud-Héraud , E. Gjerløw , J. González-Nuevo , K. M. Górski , S. Gratton , A. Gregorio , A. Gruppuso , J. E. Gudmundsson , J. Haissinski , J. Hamann , F. K. Hansen , D. Hanson , D. Harrison , S. Henrot-Versillé , C. Hernández-Monteagudo , D. Herranz , S. R. Hildebrandt , E. Hivon , M. Hobson , W. A. Holmes , A. Hornstrup , Z. Hou , W. Hovest , K. M. Huffenberger , A. H. Jaffe , T. R. Jaffe , J. Jewell , W. C. Jones , M. Juvela , E. Keihänen , R. Keskitalo , T. S. Kisner , R. Kneissl , J. Knoche , L. Knox , M. Kunz , H. Kurki-Suonio , G. Lagache , A. Lähteenmäki , J. -M. Lamarre , A. Lasenby , M. Lattanzi , R. J. Laureijs , C. R. Lawrence , S. Leach , J. P. Leahy , R. Leonardi , J. León-Tavares , J. Lesgourgues , A. Lewis , M. Liguori , P. B. Lilje , M. Linden-Vørnle , M. López-Caniego , P. M. Lubin , J. F. Macías-Pérez , B. Maffei , D. Maino , N. Mandolesi , M. Maris , D. J. Marshall , P. G. Martin , E. Martínez-González , S. Masi , M. Massardi , S. Matarrese , F. Matthai , P. Mazzotta , P. R. Meinhold , A. Melchiorri , J. -B. Melin , L. Mendes , E. Menegoni , A. Mennella , M. Migliaccio , M. Millea , S. Mitra , M. -A. Miville-Deschênes , A. Moneti , L. Montier , G. Morgante , D. Mortlock , A. Moss , D. Munshi , J. A. Murphy , P. Naselsky , F. Nati , P. Natoli , C. B. Netterfield , H. U. Nørgaard-Nielsen , F. Noviello , D. Novikov , I. Novikov , I. J. O'Dwyer , S. Osborne , C. A. Oxborrow , F. Paci , L. Pagano , F. Pajot , D. Paoletti , B. Partridge , F. Pasian , G. Patanchon , D. Pearson , T. J. Pearson , H. V. Peiris , O. Perdereau , L. Perotto , F. Perrotta , V. Pettorino , F. Piacentini , M. Piat , E. Pierpaoli , D. Pietrobon , S. Plaszczynski , P. Platania , E. Pointecouteau , G. Polenta , N. Ponthieu , L. Popa , T. Poutanen , G. W. Pratt , G. Prézeau , S. Prunet , J. -L. Puget , J. P. Rachen , W. T. Reach , R. Rebolo , M. Reinecke , M. Remazeilles , C. Renault , S. Ricciardi , T. Riller , I. Ristorcelli , G. Rocha , C. Rosset , G. Roudier , M. Rowan-Robinson , J. A. Rubiño-Martín , B. Rusholme , M. Sandri , D. Santos , M. Savelainen , G. Savini , D. Scott , M. D. Seiffert , E. P. S. Shellard , L. D. Spencer , J. -L. Starck , V. Stolyarov , R. Stompor , R. Sudiwala , R. Sunyaev , F. Sureau , D. Sutton , A. -S. Suur-Uski , J. -F. Sygnet , J. A. Tauber , D. Tavagnacco , L. Terenzi , L. Toffolatti , M. Tomasi , M. Tristram , M. Tucci , J. Tuovinen , M. Türler , G. Umana , L. Valenziano , J. Valiviita , B. Van Tent , P. Vielva , F. Villa , N. Vittorio , L. A. Wade , B. D. Wandelt , I. K. Wehus , M. White , S. D. M. White , A. Wilkinson , D. Yvon , A. Zacchei , A. Zonca

Cosmological Parameter Constraints from the SDSS Density and Momentum Power Spectra

We extract the galaxy density and momentum power spectra from a subset of early-type galaxies in the SDSS DR7 main galaxy catalog. Using galaxy distance information inferred from the improved fundamental plane described in…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-03 Stephen Appleby , Motonari Tonegawa , Changbom Park , Sungwook E. Hong , Juhan Kim , Yongmin Yoon

Future CMB cosmological constraints in a dark coupled universe

Cosmic Microwave Background satellite missions as the on-going Planck experiment are expected to provide the strongest constraints on a wide set of cosmological parameters. Those constraints, however, could be weakened when the assumption…

Cosmology and Nongalactic Astrophysics · Physics 2010-10-28 Matteo Martinelli , Laura Lopez Honorez , Alessandro Melchiorri , Olga Mena

Constraining CMB physical processes using Planck 2018 data

This paper aims to perform a phenomenological parametrisation of the standard cosmological model, $\Lambda$CDM, to weigh the different physical processes that define the pattern of the angular power spectra of the Cosmic Microwave…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-22 M. Ruiz-Granda , P. Vielva

Constraints on Cosmological Parameters from the Angular Power Spectrum of a Combined 2500 deg$^2$ SPT-SZ and Planck Gravitational Lensing Map

We report constraints on cosmological parameters from the angular power spectrum of a cosmic microwave background (CMB) gravitational lensing potential map created using temperature data from 2500 deg$^2$ of South Pole Telescope (SPT) data…

Cosmology and Nongalactic Astrophysics · Physics 2018-07-04 G. Simard , Y. Omori , K. Aylor , E. J. Baxter , B. A. Benson , L. E. Bleem , J. E. Carlstrom , C. L. Chang , H-M. Cho , R. Chown , T. M. Crawford , A. T. Crites , T. de Haan , M. A. Dobbs , W. B. Everett , E. M. George , N. W. Halverson , N. L. Harrington , J. W. Henning , G. P. Holder , Z. Hou , W. L. Holzapfel , J. D. Hrubes , L. Knox , A. T. Lee , E. M. Leitch , D. Luong-Van , A. Manzotti , J. J. McMahon , S. S. Meyer , L. M. Mocanu , J. J. Mohr , T. Natoli , S. Padin , C. Pryke , C. L. Reichardt , J. E. Ruhl , J. T. Sayre , K. K. Schaffer , E. Shirokoff , Z. Staniszewski , A. A. Stark , K. T. Story , K. Vanderlinde , J. D. Vieira , R. Williamson , W. L. K. Wu

Joint CMB and Weak Lensing Analysis; Physically Motivated Constraints on Cosmological Parameters

We use Cosmic Microwave Background (CMB) observations together with the Red-sequence Cluster Survey (RCS) weak lensing results to derive constraints on a range of cosmological parameters. This particular choice of observations is motivated…

Astrophysics · Physics 2008-11-26 Carlo R. Contaldi , Henk Hoekstra , Antony Lewis

A new measure of tension between experiments

Tensions between cosmological measurements by different surveys or probes have always been important --- and are presently much discussed --- as they may lead to evidence of new physics. Several tests have been devised to probe the…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-30 Saroj Adhikari , Dragan Huterer

Cosmological constraints from a joint analysis of cosmic microwave background and spectroscopic tracers of the large-scale structure

The standard model of cosmology, {\Lambda}CDM, is the simplest model that matches the current observations, but it relies on two hypothetical components, to wit, dark matter and dark energy. Future galaxy surveys and cosmic microwave…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-13 Cyrille Doux , Mariana Penna-Lima , Sandro D. P. Vitenti , Julien Tréguer , Eric Aubourg , Ken Ganga

New cosmological constraints on the evolution of dark matter energy density

We constrain the evolution of dark matter energy density over time, specifically focusing on deviation from the standard model represented by the equation $\rho_{m}\propto(1+z)^{3-\varepsilon}$, where $\varepsilon$ is a constant parameter.…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-30 Yupeng Yang , Xinyi Dai , Yicheng Wang