The Atacama cosmology telescope: A measurement of the cosmic microwave background power spectra at 98and 150GHz
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Choi, Steve K.
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Hasselfield, Matthew
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Ho, Shuay-Pwu Patty
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Koopman, Brian
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Lungu, Marius
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Abitbol, Maximilian H.
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Addison, Graeme E.
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Ade, Peter A. R.
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Aiola, Simone
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Alonso, David
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Amiri, Mandana
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Amodeo, Stefania
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Angile, Elio
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Austermann, Jason E.
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Baildon, Taylor
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Battaglia, Nick
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Beall, James A.
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Bean, Rachel
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Becker, Daniel T.
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Bond, J. Richard
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Bruno, Sarah Marie
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Calabrese, Erminia
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Calafut, Victoria
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Campusano, Luis E.
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Carrero, Felipe
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Chesmore, Grace E.
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Cho, Hsiao-mei
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Clark, Susan E.
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Cothard, Nicholas F.
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Crichton, Devin
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Crowley, Kevin T.
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Darwish, Omar
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Datta, Rahul
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Denison, Edward, V
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Devlin, Mark J.
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Duell, Cody J.
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Duff, Shannon M.
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Duivenvoorden, Adriaan J.
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Dunkley, Jo
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Dunner, Rolando
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Essinger-Hileman, Thomas
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Fankhanel, Max
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Ferraro, Simone
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Fox, Anna E.
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Fuzia, Brittany
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Gallardo, Patricio A.
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Gluscevic Vera
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Golec, Joseph E.
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Grace, Emily
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Gralla, Megan
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Guan, Yilun
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Hall, Kirsten
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Halpern, Mark
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Han, Dongwon
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Hargrave, Peter
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Henderson, Shawn
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Hensley, Brandon
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Hill, J. Colin
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Hilton, Gene C
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Hilton, Matt
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Hincks, Adam D.
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Hlozek, Renée
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Hubmayr, Johannes
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Huffenberge, Kevin M.
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Hughes, John P.
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Infante, Leopoldo
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Irwin, Kent
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Jackson, Rebecca
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Klein, Jeff
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Knowles, Kenda
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MacInnis, Amanda
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Madhavacheril, Mathew
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Maldonado, Felipe
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Mallaby-Kay, Maya
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Marsden, Dánica
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Maurin, Loïc
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McMahon, Jeff
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Menanteau, Felipe
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Moodley, Kavilan
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Morton, Tim
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Naess, Sigurd
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Namikawa, Toshiya
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Nati, Federico
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Newburgh, Laura
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Nibarger, John P.
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Nicola, Andrina
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Niemack, Michael D.
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Nolta, Michael R.
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Orlowski-Sherer, John
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Page, Lyman A.
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Pappas, Christine G.
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Partridge, Bruce
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Phakathi, Phumlani
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Prince, Heather
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Puddu, Roberto
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Qu, Frank J.
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Rivera, Jesús
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Robertson, Naomi
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Rojas, Felipe
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Salatino, María
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Schaan, Emmanuel
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Schillaci, Alessandro
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Schmitt, Benjamin L.
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Sehgal, Neelima
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Sherwin, Blake D.
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Sierra, Carlos
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Sievers, Jon
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Sifón, Cristóbal
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Sikhosana, Precious
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Simón, Sara
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Spergel, David N.
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Staggs, Suzanne T.
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Stevens, Jason
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Storer, Emilie
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Sunder, Dhaneshwar D.
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Switzer, Eric R.
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Thorne, Ben
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Thornton, Robert
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Trac, Hy
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Treu, Jesse
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Tucker, Carole
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Vale, Leila R.
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Van Engelen, Alexander
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Van Lanen, Jeff
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Vavagiakis, Eve M.
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Wagoner, Kasey
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Wang, Yuhan
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Ward, Jonathan T.
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Wollack, Edward J.
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Xu, Zhilei
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Zago, Fernando
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Zhu, Ningfeng
Admission date
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2021-07-28T21:28:42Z
Available date
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2021-07-28T21:28:42Z
Publication date
dc.date.issued
2020
Cita de ítem
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Journal of Cosmology and Astroparticle Physics (2020) 12:045
es_ES
Identifier
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10.1088/1475-7516/2020/12/045
Identifier
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https://repositorio.uchile.cl/handle/2250/180751
Abstract
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We present the temperature and polarization angular power spectra of the CMB measured by the Atacama Cosmology Telescope (ACT) from 5400 deg(2) of the 2013-2016 survey, which covers >15000 deg(2) at 98 and 150 GHz. For this analysis we adopt a blinding strategy to help avoid confirmation bias and, related to this, show numerous checks for systematic error done before unblinding. Using the likelihood for the cosmological analysis we constrain secondary sources of anisotropy and foreground emission, and derive a "CMB-only" spectrum that extends to l = 4000. At large angular scales, foreground emission at 150 GHz is similar to 1% of TT and EE within our selected regions and consistent with that found by Planck. Using the same likelihood, we obtain the cosmological parameters for Lambda CDM for the ACT data alone with a prior on the optical depth of tau = 0.065 +/- 0.015. Lambda CDM is a good fit. The best-fit model has a reduced chi(2) of 1.07 (PTE = 0.07) with H-0 = 67.9 +/- 1.5 km/s/Mpc. We show that the lensing BB signal is consistent with Lambda CDM and limit the celestial EB polarization angle to psi(P) = 0.07 degrees +/- 0.09 degrees. We directly cross correlate ACT with Planck and observe generally good agreement but with some discrepancies in TE. All data on which this analysis is based will be publicly released.
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Patrocinador
dc.description.sponsorship
National Science Foundation (NSF) AST0408698
AST-0965625
AST-1440226
PHY0355328
PHY-0855887
PHY-1214379
Princeton University
University of Pennsylvania
Canada Foundation for Innovation
CFI under the Compute Canada
Government of Ontario
Ontario Research Fund \ Research Excellence
University of Toronto
Simons Foundation
National Aeronautics & Space Administration (NASA) NNX13AE56G
NNX14AB58G
National Institute of Standards & Technology (NIST) - USA
Cornell Presidential Postdoctoral Fellowship
Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT) BASAL CATA AFB-170002
National Science Foundation (NSF) AST-1814971
AST1454881
AST-1513618
AST-1907657
AST-1910021
National Research Foundation - South Africa
STFC Ernest Rutherford Fellowship ST/M004856/2
STFC Consolidated Grant ST/S00033X/1
Horizon 2020 ERC Starting Grant 849169
Dicke Fellowship
Mishrahi and Wilkinson funds
CIfAR's Gravity & the Extreme Universe Program
CGIAR
Dunlap Institute