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Planck 2013 results. XVII. Gravitational lensing by large-scale structure

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Title: Planck 2013 results. XVII. Gravitational lensing by large-scale structure
Authors: Ade, PAR
Aghanim, N
Armitage-Caplan, C
Arnaud, M
Ashdown, M
Atrio-Barandela, E
Aumont, J
Baccigalupi, C
Banday, AJ
Barreiro, RB
Bartlett, JG
Murphy, JA
Naselsky, P
Crill, BP
Nati, F
Keihanen, E
Natoli, P
Netterfield, CB
Norgaard-Nielsen, HU
Noviello, F
Sunyaev, R
Finelli, F
Novikov, D
Novikov, I
Bernard, J-P
Osborne, S
Curto, A
Oxborrow, CA
Paci, F
Remazeilles, M
Pagano, L
Pajot, F
Forni, O
De Bernardis, P
Paoletti, D
Partridge, B
Pasian, F
Patanchon, G
Perdereau, O
Cuttaia, F
Bersanelli, M
Perotto, L
Perrotta, F
Prezeaul, G
Renault, C
Mandolesi, N
Piacentini, F
Piat, M
Pierpaoli, E
Pietrobon, D
Plaszczynski, S
Pointecouteau, E
Danese, L
Polenta, G
Frailis, M
Ponthieu, N
Bielewicz, P
Sureau, E
Popa, L
Ricciardi, S
Riller, T
Ristorcelli, I
Rocha, G
Rosset, C
Roudier, G
Basak, S
Davies, RD
Rowan-Robinson, M
Rubino-Martin, JA
Sutton, D
Keskitalo, R
Bock, JJ
Rusholme, B
Sandri, M
Santos, D
Savini, G
Franceschi, E
Scott, D
Seiffert, MD
Davis, RJ
Shellard, EPS
Suur-Uski, A-S
Sygnet, J-F
Kneissl, R
Tauber, JA
Tavagnacco, D
Bonavera, L
Galeotta, S
Terenzi, L
Toffolatti, L
Mangilli, A
Lagache, G
Tomasi, M
Tristram, M
Tucci, M
Tuovinen, J
Umana, G
Knoche, J
Ganga, K
Valenziano, L
Valiviita, J
Van Tent, B
Benabed, K
Bond, JR
Poutanen, T
Vielva, P
Villa, F
Vittorio, N
Wade, LA
Giard, M
Wandelt, BD
White, M
Knox, L
White, SDM
Maris, M
Yvon, D
Zacchei, A
De Rosa, A
Zonca, A
Borrill, J
Massardi, M
Bouchet, FR
Bridges, M
Bucher, M
Burigana, C
Butler, RC
Marshall, DJ
Kunz, M
Cardoso, J-F
Catalano, A
De Zotti, G
Smith, K
Challinor, A
Chamballu, A
Chiang, HC
Chiang, L-Y
Christensen, PR
Church, S
Martin, PG
Clements, DL
Colombi, S
Kurki-Suonio, H
Giardino, G
Colombo, LPL
Dechelette, T
Delabrouille, J
Delouis, J-M
Desert, F-X
Dickinson, C
Diego, JM
Martinez-Gonzalez, E
Dole, H
Donzelli, S
Giraud-Heraud, Y
Pratt, GW
Lahteenmaki, A
Dore, O
Douspis, M
Dunkley, J
Dupac, X
Efstathiou, G
Ensslin, TA
Masi, S
Eriksen, HK
Gonzalez-Nuevo, J
Gorski, KM
Prunet, S
Gratton, S
Gregorio, A
Lamarre, J-M
Gruppuso, A
Gudmundsson, JE
Spencer, LD
Reinecke, M
Hansen, FK
Hanson, D
Harrison, D
Henrot-Versille, S
Hernandez-Monteagudo, C
Puget, J-L
Herranz, D
Hildebrandt, SR
Hivon, E
Kisner, TS
Lasenby, A
Couchot, F
Ho, S
Hobson, M
Holmes, WA
Hornstrup, A
Hovest, W
Huffenberger, KM
Pullen, AR
Jaffe, AH
Starck, J-L
Jaffe, TR
Jones, WC
Matarrese, S
Juvela, M
Laureijs, RJ
Lavabre, A
Lawrence, CR
Leahy, JP
Leonardi, R
Leon-Tavares, J
Bonaldi, A
Rachen, JP
Lesgourgues, J
Lewis, A
Matthai, F
Battaner, E
Liguori, M
Lilje, PB
Linden-Vornle, M
Lopez-Caniego, M
Lubin, PM
Stolyarov, V
Macias-Perez, JF
Maffei, B
Rebolo, R
Maino, D
Mazzotta, P
Melchiorri, A
Benoit, A
Mendes, L
Mennella, A
Migliaccio, M
Stompor, R
Mitra, S
Miville-Deschenes, M-A
Coulais, A
Bobin, J
Moneti, A
Montier, L
Morgante, G
Mortlock, D
Moss, A
Benoit-Levy, A
Sudiwala, R
Munshi, D
Item Type: Journal Article
Abstract: On the arcminute angular scales probed by Planck, the cosmic microwave background (CMB) anisotropies are gently perturbed by gravitational lensing. Here we present a detailed study of this effect, detecting lensing independently in the 100, 143, and 217 GHz frequency bands with an overall significance of greater than 25σ. We use thetemperature-gradient correlations induced by lensing to reconstruct a (noisy) map of the CMB lensing potential, which provides an integrated measure of the mass distribution back to the CMB last-scattering surface. Our lensing potential map is significantly correlated with other tracers of mass, a fact which we demonstrate using several representative tracers of large-scale structure. We estimate the power spectrum of the lensing potential, finding generally good agreement with expectations from the best-fitting ΛCDM model for the Planck temperature power spectrum, showing that this measurement at z = 1100 correctly predicts the properties of the lower-redshift, later-time structures which source the lensing potential. When combined with the temperature power spectrum, our measurement provides degeneracy-breaking power for parameter constraints; it improves CMB-alone constraints on curvature by a factor of two and also partly breaks the degeneracy between the amplitude of the primordial perturbation power spectrum and the optical depth to reionization, allowing a measurement of the optical depth to reionization which is independent of large-scale polarization data. Discarding scale information, our measurement corresponds to a 4% constraint on the amplitude of the lensing potential power spectrum, or a 2% constraint on the root-mean-squared amplitude of matter fluctuations at z ~ 2.
Issue Date: 1-Nov-2014
Date of Acceptance: 16-Mar-2014
URI: http://hdl.handle.net/10044/1/60462
DOI: https://dx.doi.org/10.1051/0004-6361/201321543
ISSN: 1432-0746
Publisher: EDP SCIENCES S A
Journal / Book Title: ASTRONOMY & ASTROPHYSICS
Volume: 571
Copyright Statement: © ESO, 2014. Reproduced with permission from Astronomy & Astrophysics, © ESO.
Sponsor/Funder: Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council [2006-2012]
Funder's Grant Number: ST/H001239/1
ST/G003874/1
ST/I005765/1
ST/J004812/1
ST/J001368/1
ST/K001051/1
ST/L001314/1
ST/K004131/1
ST/K001051/1
Keywords: Science & Technology
Physical Sciences
Astronomy & Astrophysics
gravitational lensing: weak
methods: data analysis
cosmic background radiation
large-scale structure of Universe
MICROWAVE BACKGROUND ANISOTROPIES
SOUTH-POLE TELESCOPE
PROBE WMAP OBSERVATIONS
DIGITAL SKY SURVEY
POWER SPECTRUM
CROSS-CORRELATION
GALAXY CLUSTERS
NON-GAUSSIANITY
DAMPING TAIL
MAPS
astro-ph.CO
0201 Astronomical And Space Sciences
Publication Status: Published
Article Number: ARTN A17
Online Publication Date: 2014-10-29
Appears in Collections:Physics
Astrophysics
Faculty of Natural Sciences



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