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Planck 2015 results XVII. Constraints on primordial non-Gaussianity
- Ade, P. A. R. (author)
- Aghanim, N. (author)
- Arnaud, M. (author)
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- Arrojam, F. (author)
- Ashdown, M. (author)
- Aumont, J. (author)
- Baccigalupi, C. (author)
- Ballardini, M. (author)
- Banday, A. J. (author)
- Barreiro, R. B. (author)
- Bartolo, N. (author)
- Basak, S. (author)
- Battaner, E. (author)
- Benabed, K. (author)
- Benoit, A. (author)
- Benoit-Levy, A. (author)
- Bernard, J. -P. (author)
- Bersanelli, M. (author)
- Bielewicz, P. (author)
- Bock, J. J. (author)
- Bonaldi, A. (author)
- Bonavera, L. (author)
- Bond, J. R. (author)
- Borrill, J. (author)
- Bouchet, F. R. (author)
- Boulanger, F. (author)
- Bucher, M. (author)
- Burigana, C. (author)
- Butler, R. C. (author)
- Calabrese, E. (author)
- Cardoso, J. -F. (author)
- Catalano, A. (author)
- Challinor, A. (author)
- Chamballu, A. (author)
- Chiang, H. C. (author)
- Christensen, P. R. (author)
- Church, S. (author)
- Clements, D. L. (author)
- Colombi, S. (author)
- Colombo, L. P. L. (author)
- Combet, C. (author)
- Couchot, F. (author)
- Coulais, A. (author)
- Crill, B. P. (author)
- Curto, A. (author)
- Cuttaia, F. (author)
- Danese, L. (author)
- Davies, R. D. (author)
- Davis, R. J. (author)
- de Bernardis, P. (author)
- de Rosa, A. (author)
- de Zotti, G. (author)
- Delabrouille, J. (author)
- Desert, F. -X. (author)
- Diego, J. M. (author)
- Dole, H. (author)
- Donzelli, S. (author)
- Dore, O. (author)
- Douspis, M. (author)
- Ducout, A. (author)
- Dupac, X. (author)
- Efstathiou, G. (author)
- Elsner, F. (author)
- Ensslin, T. A. (author)
- Eriksen, H. K. (author)
- Fergusson, J. (author)
- Finelli, F. (author)
- Forni, O. (author)
- Frailis, M. (author)
- Fraisse, A. A. (author)
- Franceschi, E. (author)
- Frejsel, A. (author)
- Galeotta, S. (author)
- Galli, S. (author)
- Ganga, K. (author)
- Gauthier, C. (author)
- Ghosh, T. (author)
- Giard, M. (author)
- Giraud-Heraud, Y. (author)
- Gjerlow, E. (author)
- Gonzalez-Nuevo, J. (author)
- Gorski, K. M. (author)
- Gratton, S. (author)
- Gregorio, A. (author)
- Gruppuso, A. (author)
- Hamann, J. (author)
- Hansen, F. K. (author)
- Hanson, D. (author)
- Harrison, D. L. (author)
- Heavens, A. (author)
- Helou, G. (author)
- Henrot-Versille, S. (author)
- Hernandez-Monteagudo, C. (author)
- Herranz, D. (author)
- Hildebrandt, S. R. (author)
- Hivon, E. (author)
- Hobson, M. (author)
- Holmes, W. A. (author)
- Hornstrup, A. (author)
- Hovest, W. (author)
- Huang, Z. (author)
- Huffenberger, K. M. (author)
- Hurier, G. (author)
- Jaffe, A. H. (author)
- Jaffe, T. R. (author)
- Jones, W. C. (author)
- Juvela, M. (author)
- Keihanen, E. (author)
- Keskitalo, R. (author)
- Kim, J. (author)
- Kisner, T. S. (author)
- Knoche, J. (author)
- Kunz, M. (author)
- Kurki-Suonio, H. (author)
- Lacasa, F. (author)
- Lagache, G. (author)
- Lahteenmaki, A. (author)
- Lamarre, J. -M. (author)
- Lasenby, A. (author)
- Lattanzi, M. (author)
- Lawrence, C. R. (author)
- Leonardi, R. (author)
- Lesgourgues, J. (author)
- Levrier, F. (author)
- Lewis, A. (author)
- Liguori, M. (author)
- Lilje, P. B. (author)
- Linden-Vornle, M. (author)
- Lopez-Caniego, M. (author)
- Lubin, P. M. (author)
- Macias-Perez, J. F. (author)
- Maggio, G. (author)
- Maino, D. (author)
- Mandolesi, N. (author)
- Mangilli, A. (author)
- Marinucci, D. (author)
- Maris, M. (author)
- Martin, P. G. (author)
- Martinez-Gonzalez, E. (author)
- Masi, S. (author)
- Matarrese, S. (author)
- McGehee, P. (author)
- Meinhold, P. R. (author)
- Melchiorri, A. (author)
- Mendes, L. (author)
- Mennella, A. (author)
- Migliaccio, M. (author)
- Mitra, S. (author)
- Miville-Deschenes, M. -A. (author)
- Moneti, A. (author)
- Montier, L. (author)
- Morgante, G. (author)
- Mortlock, D. (author)
- Moss, A. (author)
- Munchmeyer, M. (author)
- Munshi, D. (author)
- Murphy, J. A. (author)
- Naselsky, P. (author)
- Nati, F. (author)
- Natoli, P. (author)
- Netterfield, C. B. (author)
- Norgaard-Nielsen, H. U. (author)
- Noviello, F. (author)
- Novikov, D. (author)
- Novikov, I. (author)
- Oxborrow, C. A. (author)
- Paci, F. (author)
- Pagano, L. (author)
- Pajot, F. (author)
- Paoletti, D. (author)
- Pasian, F. (author)
- Patanchon, G. (author)
- Peiris, H. V. (author)
- Perdereau, O. (author)
- Perotto, L. (author)
- Perrotta, F. (author)
- Pettorino, V. (author)
- Piacentini, F. (author)
- Piat, M. (author)
- Pierpaoli, E. (author)
- Pietrobon, D. (author)
- Plaszczynski, S. (author)
- Pointecouteau, E. (author)
- Polenta, G. (author)
- Popa, L. (author)
- Pratt, G. W. (author)
- Prezeau, G. (author)
- Prunet, S. (author)
- Puget, J. -L. (author)
- Rachen, J. P. (author)
- Racine, B. (author)
- Rebolo, R. (author)
- Reinecke, M. (author)
- Remazeilles, M. (author)
- Renault, C. (author)
- Renzi, A. (author)
- Ristorcelli, I. (author)
- Rocha, G. (author)
- Rosset, C. (author)
- Rossetti, M. (author)
- Roudier, G. (author)
- Rubino-Martin, J. A. (author)
- Rusholme, B. (author)
- Sandri, M. (author)
- Santos, D. (author)
- Savelainen, M. (author)
- Savini, G. (author)
- Scott, D. (author)
- Seiffert, M. D. (author)
- Shellard, E. P. S. (author)
- Shiraishi, M. (author)
- Smith, K. (author)
- Spencer, L. D. (author)
- Stolyarov, V. (author)
- Stompor, R. (author)
- Sudiwala, R. (author)
- Sunyaev, R. (author)
- Sutter, P. (author)
- Sutton, D. (author)
- Suur-Uski, A. -S. (author)
- Sygnet, J. -F. (author)
- Tauber, J. A. (author)
- Terenzi, L. (author)
- Toffolatti, L. (author)
- Tomasi, M. (author)
- Tristram, M. (author)
- Troja, A. (author)
- Tucci, M. (author)
- Tuovinen, J. (author)
- Valenziano, L. (author)
- Valiyiita, J. (author)
- Van Tent, B. (author)
- Vielva, P. (author)
- Villas, F. (author)
- Wade, L. A. (author)
- Wandelt, B. D. (author)
- Wehus, I. K. (author)
- Yvon, D. (author)
- Zacchei, A. (author)
- Zonca, A. (author)
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- (creator_code:org_t)
- 2016-09-20
- 2016
- English.
- In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 594
- Journal article (peer-reviewed)
Abstract
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- The Planck full mission cosmic microwave background (CMB) temperature and E-mode polarization maps are analysed to obtain constraints on primordial non-Gaussianity (NG). Using three classes of optimal bispectrum estimators - separable template-fitting (KSW), binned, and modal we obtain consistent values for the primordial local, equilateral, and orthogonal bispectrum amplitudes, quoting as our final result from temperature alone f(NL)(local) = 2.5 +/- 5.7, f(NL)(equil) = 16 +/- 70, and f(NL)(ortho) = 34 +/- 33 (68% CL, statistical). Combining temperature and polarization data we obtain f(NL)(local) = 0.8 +/- 5.0, f(NL)(equil) = 4 +/- 43, and f(NL)(ortho) = 26 +/- 21 (68% CL, statistical). The results are based on comprehensive cross-validation of these estimators on Gaussian and non-Gaussian simulations, are stable across component separation techniques, pass an extensive suite of tests, and are consistent with estimators based on measuring the Minkowski functionals of the CMB. The effect of time-domain de-glitching systematics on the bispectrum is negligible. In spite of these test outcomes we conservatively label the results including polarization data as preliminary, owing to a known mismatch of the noise model in simulations and the data. Beyond estimates of individual shape amplitudes, we present model-independent, three-dimensional reconstructions of the Planck CMB bispectrum and derive constraints on early universe scenarios that generate primordial NG, including general single-field models of inflation, axion inflation, initial state modifications, models producing parity-violating tensor bispectra, and directionally dependent vector models. We present a wide survey of scale-dependent feature and resonance models, accounting for the look elsewhere effect in estimating the statistical significance of features. We also look for isocurvature NG, and find no signal, but we obtain constraints that improve significantly with the inclusion of polarization. The primordial trispectrum amplitude in the local model is constrained to be g(NL)(local) = (9.0 +/- 7.7) x 10(4) (68% CL statistical), and we perform an analysis of trispectrum shapes beyond the local case. The global picture that emerges is one of consistency with the premises of the Lambda CDM cosmology, namely that the structure we observe today was sourced by adiabatic, passive, Gaussian, and primordial seed perturbations.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- cosmic background radiation
- cosmology: observations
- cosmology: theory
- early Universe
- inflation
- methods: data analysis
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Ade, P. A. R.
- Aghanim, N.
- Arnaud, M.
- Arrojam, F.
- Ashdown, M.
- Aumont, J.
- show more...
- Baccigalupi, C.
- Ballardini, M.
- Banday, A. J.
- Barreiro, R. B.
- Bartolo, N.
- Basak, S.
- Battaner, E.
- Benabed, K.
- Benoit, A.
- Benoit-Levy, A.
- Bernard, J. -P.
- Bersanelli, M.
- Bielewicz, P.
- Bock, J. J.
- Bonaldi, A.
- Bonavera, L.
- Bond, J. R.
- Borrill, J.
- Bouchet, F. R.
- Boulanger, F.
- Bucher, M.
- Burigana, C.
- Butler, R. C.
- Calabrese, E.
- Cardoso, J. -F.
- Catalano, A.
- Challinor, A.
- Chamballu, A.
- Chiang, H. C.
- Christensen, P. ...
- Church, S.
- Clements, D. L.
- Colombi, S.
- Colombo, L. P. L ...
- Combet, C.
- Couchot, F.
- Coulais, A.
- Crill, B. P.
- Curto, A.
- Cuttaia, F.
- Danese, L.
- Davies, R. D.
- Davis, R. J.
- de Bernardis, P.
- de Rosa, A.
- de Zotti, G.
- Delabrouille, J.
- Desert, F. -X.
- Diego, J. M.
- Dole, H.
- Donzelli, S.
- Dore, O.
- Douspis, M.
- Ducout, A.
- Dupac, X.
- Efstathiou, G.
- Elsner, F.
- Ensslin, T. A.
- Eriksen, H. K.
- Fergusson, J.
- Finelli, F.
- Forni, O.
- Frailis, M.
- Fraisse, A. A.
- Franceschi, E.
- Frejsel, A.
- Galeotta, S.
- Galli, S.
- Ganga, K.
- Gauthier, C.
- Ghosh, T.
- Giard, M.
- Giraud-Heraud, Y ...
- Gjerlow, E.
- Gonzalez-Nuevo, ...
- Gorski, K. M.
- Gratton, S.
- Gregorio, A.
- Gruppuso, A.
- Gudmundsson, Jón ...
- Hamann, J.
- Hansen, F. K.
- Hanson, D.
- Harrison, D. L.
- Heavens, A.
- Helou, G.
- Henrot-Versille, ...
- Hernandez-Montea ...
- Herranz, D.
- Hildebrandt, S. ...
- Hivon, E.
- Hobson, M.
- Holmes, W. A.
- Hornstrup, A.
- Hovest, W.
- Huang, Z.
- Huffenberger, K. ...
- Hurier, G.
- Jaffe, A. H.
- Jaffe, T. R.
- Jones, W. C.
- Juvela, M.
- Keihanen, E.
- Keskitalo, R.
- Kim, J.
- Kisner, T. S.
- Knoche, J.
- Kunz, M.
- Kurki-Suonio, H.
- Lacasa, F.
- Lagache, G.
- Lahteenmaki, A.
- Lamarre, J. -M.
- Lasenby, A.
- Lattanzi, M.
- Lawrence, C. R.
- Leonardi, R.
- Lesgourgues, J.
- Levrier, F.
- Lewis, A.
- Liguori, M.
- Lilje, P. B.
- Linden-Vornle, M ...
- Lopez-Caniego, M ...
- Lubin, P. M.
- Macias-Perez, J. ...
- Maggio, G.
- Maino, D.
- Mandolesi, N.
- Mangilli, A.
- Marinucci, D.
- Maris, M.
- Martin, P. G.
- Martinez-Gonzale ...
- Masi, S.
- Matarrese, S.
- McGehee, P.
- Meinhold, P. R.
- Melchiorri, A.
- Mendes, L.
- Mennella, A.
- Migliaccio, M.
- Mitra, S.
- Miville-Deschene ...
- Moneti, A.
- Montier, L.
- Morgante, G.
- Mortlock, D.
- Moss, A.
- Munchmeyer, M.
- Munshi, D.
- Murphy, J. A.
- Naselsky, P.
- Nati, F.
- Natoli, P.
- Netterfield, C. ...
- Norgaard-Nielsen ...
- Noviello, F.
- Novikov, D.
- Novikov, I.
- Oxborrow, C. A.
- Paci, F.
- Pagano, L.
- Pajot, F.
- Paoletti, D.
- Pasian, F.
- Patanchon, G.
- Peiris, H. V.
- Perdereau, O.
- Perotto, L.
- Perrotta, F.
- Pettorino, V.
- Piacentini, F.
- Piat, M.
- Pierpaoli, E.
- Pietrobon, D.
- Plaszczynski, S.
- Pointecouteau, E ...
- Polenta, G.
- Popa, L.
- Pratt, G. W.
- Prezeau, G.
- Prunet, S.
- Puget, J. -L.
- Rachen, J. P.
- Racine, B.
- Rebolo, R.
- Reinecke, M.
- Remazeilles, M.
- Renault, C.
- Renzi, A.
- Ristorcelli, I.
- Rocha, G.
- Rosset, C.
- Rossetti, M.
- Roudier, G.
- Rubino-Martin, J ...
- Rusholme, B.
- Sandri, M.
- Santos, D.
- Savelainen, M.
- Savini, G.
- Scott, D.
- Seiffert, M. D.
- Shellard, E. P. ...
- Shiraishi, M.
- Smith, K.
- Spencer, L. D.
- Stolyarov, V.
- Stompor, R.
- Sudiwala, R.
- Sunyaev, R.
- Sutter, P.
- Sutton, D.
- Suur-Uski, A. -S ...
- Sygnet, J. -F.
- Tauber, J. A.
- Terenzi, L.
- Toffolatti, L.
- Tomasi, M.
- Tristram, M.
- Troja, A.
- Tucci, M.
- Tuovinen, J.
- Valenziano, L.
- Valiyiita, J.
- Van Tent, B.
- Vielva, P.
- Villas, F.
- Wade, L. A.
- Wandelt, B. D.
- Wehus, I. K.
- Yvon, D.
- Zacchei, A.
- Zonca, A.
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