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Title: Exploring cosmic origins with CORE: Gravitational lensing of the CMB

Abstract

Lensing of the cosmic microwave background (CMB) is now a well-developed probe of the clustering of the large-scale mass distribution over a broad range of redshifts. By exploiting the non-Gaussian imprints of lensing in the polarization of the CMB, the CORE mission will allow production of a clean map of the lensing deflections over nearly the full-sky. The number of high-S/N modes in this map will exceed current CMB lensing maps by a factor of 40, and the measurement will be sample-variance limited on all scales where linear theory is valid. Here, we summarise this mission product and discuss the science that will follow from its power spectrum and the cross-correlation with other clustering data. For example, the summed mass of neutrinos will be determined to an accuracy of 17 meV combining CORE lensing and CMB two-point information with contemporaneous measurements of the baryon acoustic oscillation feature in the clustering of galaxies, three times smaller than the minimum total mass allowed by neutrino oscillation measurements. Lensing has applications across many other science goals of CORE, including the search for B-mode polarization from primordial gravitational waves. Here, lens-induced B-modes will dominate over instrument noise, limiting constraints on the power spectrum amplitudemore » of primordial gravitational waves. With lensing reconstructed by CORE, one can "delens" the observed polarization internally, reducing the lensing B-mode power by 60 %. This can be improved to 70 % by combining lensing and measurements of the cosmic infrared background from CORE, leading to an improvement of a factor of 2.5 in the error on the amplitude of primordial gravitational waves compared to no delensing (in the null hypothesis of no primordial B-modes). Lensing measurements from CORE will allow calibration of the halo masses of the tens of thousands of galaxy clusters that it will find, with constraints dominated by the clean polarization-based estimators. The 19 frequency channels proposed for CORE will allow accurate removal of Galactic emission from CMB maps. We present initial findings that show that residual Galactic foreground contamination will not be a significant source of bias for lensing power spectrum measurements with CORE.« less

Authors:
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Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
Contributing Org.:
CORE Collaboration
OSTI Identifier:
1526516
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Cosmology and Astroparticle Physics
Additional Journal Information:
Journal Volume: 2018; Journal Issue: 04; Journal ID: ISSN 1475-7516
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS

Citation Formats

Challinor, A., Allison, R., Carron, J., Errard, J., Feeney, S., Kitching, T., Lesgourgues, J., Lewis, A., Zubeldía, Í., Achucarro, A., Ade, P., Ashdown, M., Ballardini, M., Banday, A. J., Banerji, R., Bartlett, J., Bartolo, N., Basak, S., Baumann, D., Bersanelli, M., Bonaldi, A., Bonato, M., Borrill, J., Bouchet, F., Boulanger, F., Brinckmann, T., Bucher, M., Burigana, C., Buzzelli, A., Cai, Z. -Y., Calvo, M., Carvalho, C. -S., Castellano, G., Chluba, J., Clesse, S., Colantoni, I., Coppolecchia, A., Crook, M., d'Alessandro, G., de Bernardis, P., de Gasperis, G., Zotti, G. De, Delabrouille, J., Valentino, E. Di, Diego, J. -M., Fernandez-Cobos, R., Ferraro, S., Finelli, F., Forastieri, F., Galli, S., Genova-Santos, R., Gerbino, M., González-Nuevo, J., Grandis, S., Greenslade, J., Hagstotz, S., Hanany, S., Handley, W., Hernandez-Monteagudo, C., Hervías-Caimapo, C., Hills, M., Hivon, E., Kiiveri, K., Kisner, T., Kunz, M., Kurki-Suonio, H., Lamagna, L., Lasenby, A., Lattanzi, M., Liguori, M., Lindholm, V., López-Caniego, M., Luzzi, G., Maffei, B., Martinez-González, E., Martins, C. J. A. P., Masi, S., Matarrese, S., McCarthy, D., Melchiorri, A., Melin, J. -B., Molinari, D., Monfardini, A., Natoli, P., Negrello, M., Notari, A., Paiella, A., Paoletti, D., Patanchon, G., Piat, M., Pisano, G., Polastri, L., Polenta, G., Pollo, A., Poulin, V., Quartin, M., Remazeilles, M., Roman, M., Rubino-Martin, J. -A., Salvati, L., Tartari, A., Tomasi, M., Tramonte, D., Trappe, N., Trombetti, T., Tucker, C., Valiviita, J., de Weijgaert, R. Van, Tent, B. van, Vennin, V., Vielva, P., Vittorio, N., Young, K., and Zannoni, M. Exploring cosmic origins with CORE: Gravitational lensing of the CMB. United States: N. p., 2018. Web. doi:10.1088/1475-7516/2018/04/018.
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Challinor, A., Allison, R., Carron, J., Errard, J., Feeney, S., Kitching, T., Lesgourgues, J., Lewis, A., Zubeldía, Í., Achucarro, A., Ade, P., Ashdown, M., Ballardini, M., Banday, A. J., Banerji, R., Bartlett, J., Bartolo, N., Basak, S., Baumann, D., Bersanelli, M., Bonaldi, A., Bonato, M., Borrill, J., Bouchet, F., Boulanger, F., Brinckmann, T., Bucher, M., Burigana, C., Buzzelli, A., Cai, Z. -Y., Calvo, M., Carvalho, C. -S., Castellano, G., Chluba, J., Clesse, S., Colantoni, I., Coppolecchia, A., Crook, M., d'Alessandro, G., de Bernardis, P., de Gasperis, G., Zotti, G. De, Delabrouille, J., Valentino, E. Di, Diego, J. -M., Fernandez-Cobos, R., Ferraro, S., Finelli, F., Forastieri, F., Galli, S., Genova-Santos, R., Gerbino, M., González-Nuevo, J., Grandis, S., Greenslade, J., Hagstotz, S., Hanany, S., Handley, W., Hernandez-Monteagudo, C., Hervías-Caimapo, C., Hills, M., Hivon, E., Kiiveri, K., Kisner, T., Kunz, M., Kurki-Suonio, H., Lamagna, L., Lasenby, A., Lattanzi, M., Liguori, M., Lindholm, V., López-Caniego, M., Luzzi, G., Maffei, B., Martinez-González, E., Martins, C. J. A. P., Masi, S., Matarrese, S., McCarthy, D., Melchiorri, A., Melin, J. -B., Molinari, D., Monfardini, A., Natoli, P., Negrello, M., Notari, A., Paiella, A., Paoletti, D., Patanchon, G., Piat, M., Pisano, G., Polastri, L., Polenta, G., Pollo, A., Poulin, V., Quartin, M., Remazeilles, M., Roman, M., Rubino-Martin, J. -A., Salvati, L., Tartari, A., Tomasi, M., Tramonte, D., Trappe, N., Trombetti, T., Tucker, C., Valiviita, J., de Weijgaert, R. Van, Tent, B. van, Vennin, V., Vielva, P., Vittorio, N., Young, K., & Zannoni, M. Exploring cosmic origins with CORE: Gravitational lensing of the CMB. United States. https://doi.org/10.1088/1475-7516/2018/04/018
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Challinor, A., Allison, R., Carron, J., Errard, J., Feeney, S., Kitching, T., Lesgourgues, J., Lewis, A., Zubeldía, Í., Achucarro, A., Ade, P., Ashdown, M., Ballardini, M., Banday, A. J., Banerji, R., Bartlett, J., Bartolo, N., Basak, S., Baumann, D., Bersanelli, M., Bonaldi, A., Bonato, M., Borrill, J., Bouchet, F., Boulanger, F., Brinckmann, T., Bucher, M., Burigana, C., Buzzelli, A., Cai, Z. -Y., Calvo, M., Carvalho, C. -S., Castellano, G., Chluba, J., Clesse, S., Colantoni, I., Coppolecchia, A., Crook, M., d'Alessandro, G., de Bernardis, P., de Gasperis, G., Zotti, G. De, Delabrouille, J., Valentino, E. Di, Diego, J. -M., Fernandez-Cobos, R., Ferraro, S., Finelli, F., Forastieri, F., Galli, S., Genova-Santos, R., Gerbino, M., González-Nuevo, J., Grandis, S., Greenslade, J., Hagstotz, S., Hanany, S., Handley, W., Hernandez-Monteagudo, C., Hervías-Caimapo, C., Hills, M., Hivon, E., Kiiveri, K., Kisner, T., Kunz, M., Kurki-Suonio, H., Lamagna, L., Lasenby, A., Lattanzi, M., Liguori, M., Lindholm, V., López-Caniego, M., Luzzi, G., Maffei, B., Martinez-González, E., Martins, C. J. A. P., Masi, S., Matarrese, S., McCarthy, D., Melchiorri, A., Melin, J. -B., Molinari, D., Monfardini, A., Natoli, P., Negrello, M., Notari, A., Paiella, A., Paoletti, D., Patanchon, G., Piat, M., Pisano, G., Polastri, L., Polenta, G., Pollo, A., Poulin, V., Quartin, M., Remazeilles, M., Roman, M., Rubino-Martin, J. -A., Salvati, L., Tartari, A., Tomasi, M., Tramonte, D., Trappe, N., Trombetti, T., Tucker, C., Valiviita, J., de Weijgaert, R. Van, Tent, B. van, Vennin, V., Vielva, P., Vittorio, N., Young, K., and Zannoni, M. Sun . "Exploring cosmic origins with CORE: Gravitational lensing of the CMB". United States. https://doi.org/10.1088/1475-7516/2018/04/018. https://www.osti.gov/servlets/purl/1526516.
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@article{osti_1526516,
title = {Exploring cosmic origins with CORE: Gravitational lensing of the CMB},
author = {Challinor, A. and Allison, R. and Carron, J. and Errard, J. and Feeney, S. and Kitching, T. and Lesgourgues, J. and Lewis, A. and Zubeldía, Í. and Achucarro, A. and Ade, P. and Ashdown, M. and Ballardini, M. and Banday, A. J. and Banerji, R. and Bartlett, J. and Bartolo, N. and Basak, S. and Baumann, D. and Bersanelli, M. and Bonaldi, A. and Bonato, M. and Borrill, J. and Bouchet, F. and Boulanger, F. and Brinckmann, T. and Bucher, M. and Burigana, C. and Buzzelli, A. and Cai, Z. -Y. and Calvo, M. and Carvalho, C. -S. and Castellano, G. and Chluba, J. and Clesse, S. and Colantoni, I. and Coppolecchia, A. and Crook, M. and d'Alessandro, G. and de Bernardis, P. and de Gasperis, G. and Zotti, G. De and Delabrouille, J. and Valentino, E. Di and Diego, J. -M. and Fernandez-Cobos, R. and Ferraro, S. and Finelli, F. and Forastieri, F. and Galli, S. and Genova-Santos, R. and Gerbino, M. and González-Nuevo, J. and Grandis, S. and Greenslade, J. and Hagstotz, S. and Hanany, S. and Handley, W. and Hernandez-Monteagudo, C. and Hervías-Caimapo, C. and Hills, M. and Hivon, E. and Kiiveri, K. and Kisner, T. and Kunz, M. and Kurki-Suonio, H. and Lamagna, L. and Lasenby, A. and Lattanzi, M. and Liguori, M. and Lindholm, V. and López-Caniego, M. and Luzzi, G. and Maffei, B. and Martinez-González, E. and Martins, C. J. A. P. and Masi, S. and Matarrese, S. and McCarthy, D. and Melchiorri, A. and Melin, J. -B. and Molinari, D. and Monfardini, A. and Natoli, P. and Negrello, M. and Notari, A. and Paiella, A. and Paoletti, D. and Patanchon, G. and Piat, M. and Pisano, G. and Polastri, L. and Polenta, G. and Pollo, A. and Poulin, V. and Quartin, M. and Remazeilles, M. and Roman, M. and Rubino-Martin, J. -A. and Salvati, L. and Tartari, A. and Tomasi, M. and Tramonte, D. and Trappe, N. and Trombetti, T. and Tucker, C. and Valiviita, J. and de Weijgaert, R. Van and Tent, B. van and Vennin, V. and Vielva, P. and Vittorio, N. and Young, K. and Zannoni, M.},
abstractNote = {Lensing of the cosmic microwave background (CMB) is now a well-developed probe of the clustering of the large-scale mass distribution over a broad range of redshifts. By exploiting the non-Gaussian imprints of lensing in the polarization of the CMB, the CORE mission will allow production of a clean map of the lensing deflections over nearly the full-sky. The number of high-S/N modes in this map will exceed current CMB lensing maps by a factor of 40, and the measurement will be sample-variance limited on all scales where linear theory is valid. Here, we summarise this mission product and discuss the science that will follow from its power spectrum and the cross-correlation with other clustering data. For example, the summed mass of neutrinos will be determined to an accuracy of 17 meV combining CORE lensing and CMB two-point information with contemporaneous measurements of the baryon acoustic oscillation feature in the clustering of galaxies, three times smaller than the minimum total mass allowed by neutrino oscillation measurements. Lensing has applications across many other science goals of CORE, including the search for B-mode polarization from primordial gravitational waves. Here, lens-induced B-modes will dominate over instrument noise, limiting constraints on the power spectrum amplitude of primordial gravitational waves. With lensing reconstructed by CORE, one can "delens" the observed polarization internally, reducing the lensing B-mode power by 60 %. This can be improved to 70 % by combining lensing and measurements of the cosmic infrared background from CORE, leading to an improvement of a factor of 2.5 in the error on the amplitude of primordial gravitational waves compared to no delensing (in the null hypothesis of no primordial B-modes). Lensing measurements from CORE will allow calibration of the halo masses of the tens of thousands of galaxy clusters that it will find, with constraints dominated by the clean polarization-based estimators. The 19 frequency channels proposed for CORE will allow accurate removal of Galactic emission from CMB maps. We present initial findings that show that residual Galactic foreground contamination will not be a significant source of bias for lensing power spectrum measurements with CORE.},
doi = {10.1088/1475-7516/2018/04/018},
journal = {Journal of Cosmology and Astroparticle Physics},
number = 04,
volume = 2018,
place = {United States},
year = {Sun Apr 01 00:00:00 EDT 2018},
month = {Sun Apr 01 00:00:00 EDT 2018}
}
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journal, March 1997

Weak lensing of the CMB: extraction of lensing information from the trispectrum
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Using Cosmic Microwave Background Lensing to Constrain the Multiplicative bias of Cosmic Shear
journal, October 2012

The Atacama Cosmology Telescope: Cross-correlation of cosmic microwave background lensing and quasars
journal, October 2012

Towards a cosmological neutrino mass detection
journal, December 2015

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journal, February 2014

Signature of Gravity Waves in the Polarization of the Microwave Background
journal, March 1997

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Prospects for Delensing the Cosmic Microwave Background for Studying Inflation
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Gravitational Lensing of the Microwave Background by Galaxy Clusters
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journal, December 2007

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Infrared Radiation from Interstellar Grains
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journal, June 2017

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journal, May 2015

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journal, March 2015

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Planck 2015 results : XXII. A map of the thermal Sunyaev-Zeldovich effect
journal, September 2016

Gravitational lensing of the CMB by galaxy clusters
journal, May 2005

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journal, July 2014

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journal, September 2016

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journal, June 2012

Neutral Hydrogen Structures Trace Dust Polarization Angle: Implications for Cosmic Microwave Background Foregrounds
journal, December 2015

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journal, February 2004

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journal, February 2011

Cross-correlation of gravitational lensing from DES Science Verification data with SPT and Planck lensing
journal, March 2016

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Planck 2013 results. XVIII. The gravitational lensing-infrared background correlation
journal, October 2014

Modelling and simulation of large-scale polarized dust emission over the southern Galactic cap using the GASS Hi data
journal, May 2017

Demonstration of Cosmic Microwave Background Delensing Using the Cosmic Infrared Background
journal, October 2016

A new type of isotropic cosmological models without singularity
journal, March 1980

Bicep2/ KECK ARRAY VIII: MEASUREMENT OF GRAVITATIONAL LENSING FROM LARGE-SCALE B -MODE POLARIZATION
journal, December 2016

Intrinsic alignment contamination to CMB lensing–galaxy weak lensing correlations from tidal torquing
journal, July 2016

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Gravitational Lensing
conference, January 2009

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  • CMB POLARIZATION WORKSHOP: THEORY AND FOREGROUNDS: CMBPol Mission Concept Study, AIP Conference Proceedings
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New expectations and uncertainties on neutrinoless double beta decay
journal, August 2014

Demonstration of Cosmic Microwave Background Delensing Using the Cosmic Infrared Background
text, January 2016

  • Larsen, Patricia; Challinor, Anthony; Sherwin, Blake
  • Apollo - University of Cambridge Repository
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CMB Lensing Reconstruction in Real Space
text, January 2010

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