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| Format: | Preprint |
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2023
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| Online Access: | https://arxiv.org/abs/2304.05202 |
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| author | Qu, Frank J. Sherwin, Blake D. Madhavacheril, Mathew S. Han, Dongwon Crowley, Kevin T. Abril-Cabezas, Irene Ade, Peter A. R. Aiola, Simone Alford, Tommy Amiri, Mandana Amodeo, Stefania An, Rui Atkins, Zachary Austermann, Jason E. Battaglia, Nicholas Battistelli, Elia Stefano Beall, James A. Bean, Rachel Beringue, Benjamin Bhandarkar, Tanay Biermann, Emily Bolliet, Boris Bond, J Richard Cai, Hongbo Calabrese, Erminia Calafut, Victoria Capalbo, Valentina Carrero, Felipe Carron, Julien Challinor, Anthony Chesmore, Grace E. Cho, Hsiao-mei Choi, Steve K. Clark, Susan E. Rosado, Rodrigo Córdova Cothard, Nicholas F. Coughlin, Kevin Coulton, William Dalal, Roohi Darwish, Omar Devlin, Mark J. Dicker, Simon Doze, Peter Duell, Cody J. Duff, Shannon M. Duivenvoorden, Adriaan J. Dunkley, Jo Dünner, Rolando Fanfani, Valentina Fankhanel, Max Farren, Gerrit Ferraro, Simone Freundt, Rodrigo Fuzia, Brittany Gallardo, Patricio A. Garrido, Xavier Gluscevic, Vera Golec, Joseph E. Guan, Yilun Halpern, Mark Harrison, Ian Hasselfield, Matthew Healy, Erin Henderson, Shawn Hensley, Brandon Hervías-Caimapo, Carlos Hill, J. Colin Hilton, Gene C. Hilton, Matt Hincks, Adam D. Hložek, Renée Ho, Shuay-Pwu Patty Huber, Zachary B. Hubmayr, Johannes Huffenberger, Kevin M. Hughes, John P. Irwin, Kent Isopi, Giovanni Jense, Hidde T. Keller, Ben Kim, Joshua Knowles, Kenda Koopman, Brian J. Kosowsky, Arthur Kramer, Darby Kusiak, Aleksandra La Posta, Adrien Lague, Alex Lakey, Victoria Lee, Eunseong Li, Zack Li, Yaqiong Limon, Michele Lokken, Martine Louis, Thibaut Lungu, Marius MacCrann, Niall MacInnis, Amanda Maldonado, Diego Maldonado, Felipe Mallaby-Kay, Maya Marques, Gabriela A. McMahon, Jeff Mehta, Yogesh Menanteau, Felipe Moodley, Kavilan Morris, Thomas W. Mroczkowski, Tony Naess, Sigurd Namikawa, Toshiya Nati, Federico Newburgh, Laura Nicola, Andrina Niemack, Michael D. Nolta, Michael R. Orlowski-Scherer, John Page, Lyman A. Pandey, Shivam Partridge, Bruce Prince, Heather Puddu, Roberto Radiconi, Federico Robertson, Naomi Rojas, Felipe Sakuma, Tai Salatino, Maria Schaan, Emmanuel Schmitt, Benjamin L. Sehgal, Neelima Shaikh, Shabbir Sierra, Carlos Sievers, Jon Sifón, Cristóbal Simon, Sara Sonka, Rita Spergel, David N. Staggs, Suzanne T. Storer, Emilie Switzer, Eric R. Tampier, Niklas Thornton, Robert Trac, Hy Treu, Jesse Tucker, Carole Ulluom, Joel Vale, Leila R. Van Engelen, Alexander Van Lanen, Jeff van Marrewijk, Joshiwa Vargas, Cristian Vavagiakis, Eve M. Wagoner, Kasey Wang, Yuhan Wenzl, Lukas Wollack, Edward J. Xu, Zhilei Zago, Fernando Zhang, Kaiwen |
| author_facet | Qu, Frank J. Sherwin, Blake D. Madhavacheril, Mathew S. Han, Dongwon Crowley, Kevin T. Abril-Cabezas, Irene Ade, Peter A. R. Aiola, Simone Alford, Tommy Amiri, Mandana Amodeo, Stefania An, Rui Atkins, Zachary Austermann, Jason E. Battaglia, Nicholas Battistelli, Elia Stefano Beall, James A. Bean, Rachel Beringue, Benjamin Bhandarkar, Tanay Biermann, Emily Bolliet, Boris Bond, J Richard Cai, Hongbo Calabrese, Erminia Calafut, Victoria Capalbo, Valentina Carrero, Felipe Carron, Julien Challinor, Anthony Chesmore, Grace E. Cho, Hsiao-mei Choi, Steve K. Clark, Susan E. Rosado, Rodrigo Córdova Cothard, Nicholas F. Coughlin, Kevin Coulton, William Dalal, Roohi Darwish, Omar Devlin, Mark J. Dicker, Simon Doze, Peter Duell, Cody J. Duff, Shannon M. Duivenvoorden, Adriaan J. Dunkley, Jo Dünner, Rolando Fanfani, Valentina Fankhanel, Max Farren, Gerrit Ferraro, Simone Freundt, Rodrigo Fuzia, Brittany Gallardo, Patricio A. Garrido, Xavier Gluscevic, Vera Golec, Joseph E. Guan, Yilun Halpern, Mark Harrison, Ian Hasselfield, Matthew Healy, Erin Henderson, Shawn Hensley, Brandon Hervías-Caimapo, Carlos Hill, J. Colin Hilton, Gene C. Hilton, Matt Hincks, Adam D. Hložek, Renée Ho, Shuay-Pwu Patty Huber, Zachary B. Hubmayr, Johannes Huffenberger, Kevin M. Hughes, John P. Irwin, Kent Isopi, Giovanni Jense, Hidde T. Keller, Ben Kim, Joshua Knowles, Kenda Koopman, Brian J. Kosowsky, Arthur Kramer, Darby Kusiak, Aleksandra La Posta, Adrien Lague, Alex Lakey, Victoria Lee, Eunseong Li, Zack Li, Yaqiong Limon, Michele Lokken, Martine Louis, Thibaut Lungu, Marius MacCrann, Niall MacInnis, Amanda Maldonado, Diego Maldonado, Felipe Mallaby-Kay, Maya Marques, Gabriela A. McMahon, Jeff Mehta, Yogesh Menanteau, Felipe Moodley, Kavilan Morris, Thomas W. Mroczkowski, Tony Naess, Sigurd Namikawa, Toshiya Nati, Federico Newburgh, Laura Nicola, Andrina Niemack, Michael D. Nolta, Michael R. Orlowski-Scherer, John Page, Lyman A. Pandey, Shivam Partridge, Bruce Prince, Heather Puddu, Roberto Radiconi, Federico Robertson, Naomi Rojas, Felipe Sakuma, Tai Salatino, Maria Schaan, Emmanuel Schmitt, Benjamin L. Sehgal, Neelima Shaikh, Shabbir Sierra, Carlos Sievers, Jon Sifón, Cristóbal Simon, Sara Sonka, Rita Spergel, David N. Staggs, Suzanne T. Storer, Emilie Switzer, Eric R. Tampier, Niklas Thornton, Robert Trac, Hy Treu, Jesse Tucker, Carole Ulluom, Joel Vale, Leila R. Van Engelen, Alexander Van Lanen, Jeff van Marrewijk, Joshiwa Vargas, Cristian Vavagiakis, Eve M. Wagoner, Kasey Wang, Yuhan Wenzl, Lukas Wollack, Edward J. Xu, Zhilei Zago, Fernando Zhang, Kaiwen |
| contents | We present new measurements of cosmic microwave background (CMB) lensing over $9400$ sq. deg. of the sky. These lensing measurements are derived from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) CMB dataset, which consists of five seasons of ACT CMB temperature and polarization observations. We determine the amplitude of the CMB lensing power spectrum at $2.3\%$ precision ($43σ$ significance) using a novel pipeline that minimizes sensitivity to foregrounds and to noise properties. To ensure our results are robust, we analyze an extensive set of null tests, consistency tests, and systematic error estimates and employ a blinded analysis framework. The baseline spectrum is well fit by a lensing amplitude of $A_{\mathrm{lens}}=1.013\pm0.023$ relative to the Planck 2018 CMB power spectra best-fit $Λ$CDM model and $A_{\mathrm{lens}}=1.005\pm0.023$ relative to the $\text{ACT DR4} + \text{WMAP}$ best-fit model. From our lensing power spectrum measurement, we derive constraints on the parameter combination $S^{\mathrm{CMBL}}_8 \equiv σ_8 \left({Ω_m}/{0.3}\right)^{0.25}$ of $S^{\mathrm{CMBL}}_8= 0.818\pm0.022$ from ACT DR6 CMB lensing alone and $S^{\mathrm{CMBL}}_8= 0.813\pm0.018$ when combining ACT DR6 and Planck NPIPE CMB lensing power spectra. These results are in excellent agreement with $Λ$CDM model constraints from Planck or $\text{ACT DR4} + \text{WMAP}$ CMB power spectrum measurements. Our lensing measurements from redshifts $z\sim0.5$--$5$ are thus fully consistent with $Λ$CDM structure growth predictions based on CMB anisotropies probing primarily $z\sim1100$. We find no evidence for a suppression of the amplitude of cosmic structure at low redshifts |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2304_05202 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and its Implications for Structure Growth Qu, Frank J. Sherwin, Blake D. Madhavacheril, Mathew S. Han, Dongwon Crowley, Kevin T. Abril-Cabezas, Irene Ade, Peter A. R. Aiola, Simone Alford, Tommy Amiri, Mandana Amodeo, Stefania An, Rui Atkins, Zachary Austermann, Jason E. Battaglia, Nicholas Battistelli, Elia Stefano Beall, James A. Bean, Rachel Beringue, Benjamin Bhandarkar, Tanay Biermann, Emily Bolliet, Boris Bond, J Richard Cai, Hongbo Calabrese, Erminia Calafut, Victoria Capalbo, Valentina Carrero, Felipe Carron, Julien Challinor, Anthony Chesmore, Grace E. Cho, Hsiao-mei Choi, Steve K. Clark, Susan E. Rosado, Rodrigo Córdova Cothard, Nicholas F. Coughlin, Kevin Coulton, William Dalal, Roohi Darwish, Omar Devlin, Mark J. Dicker, Simon Doze, Peter Duell, Cody J. Duff, Shannon M. Duivenvoorden, Adriaan J. Dunkley, Jo Dünner, Rolando Fanfani, Valentina Fankhanel, Max Farren, Gerrit Ferraro, Simone Freundt, Rodrigo Fuzia, Brittany Gallardo, Patricio A. Garrido, Xavier Gluscevic, Vera Golec, Joseph E. Guan, Yilun Halpern, Mark Harrison, Ian Hasselfield, Matthew Healy, Erin Henderson, Shawn Hensley, Brandon Hervías-Caimapo, Carlos Hill, J. Colin Hilton, Gene C. Hilton, Matt Hincks, Adam D. Hložek, Renée Ho, Shuay-Pwu Patty Huber, Zachary B. Hubmayr, Johannes Huffenberger, Kevin M. Hughes, John P. Irwin, Kent Isopi, Giovanni Jense, Hidde T. Keller, Ben Kim, Joshua Knowles, Kenda Koopman, Brian J. Kosowsky, Arthur Kramer, Darby Kusiak, Aleksandra La Posta, Adrien Lague, Alex Lakey, Victoria Lee, Eunseong Li, Zack Li, Yaqiong Limon, Michele Lokken, Martine Louis, Thibaut Lungu, Marius MacCrann, Niall MacInnis, Amanda Maldonado, Diego Maldonado, Felipe Mallaby-Kay, Maya Marques, Gabriela A. McMahon, Jeff Mehta, Yogesh Menanteau, Felipe Moodley, Kavilan Morris, Thomas W. Mroczkowski, Tony Naess, Sigurd Namikawa, Toshiya Nati, Federico Newburgh, Laura Nicola, Andrina Niemack, Michael D. Nolta, Michael R. Orlowski-Scherer, John Page, Lyman A. Pandey, Shivam Partridge, Bruce Prince, Heather Puddu, Roberto Radiconi, Federico Robertson, Naomi Rojas, Felipe Sakuma, Tai Salatino, Maria Schaan, Emmanuel Schmitt, Benjamin L. Sehgal, Neelima Shaikh, Shabbir Sierra, Carlos Sievers, Jon Sifón, Cristóbal Simon, Sara Sonka, Rita Spergel, David N. Staggs, Suzanne T. Storer, Emilie Switzer, Eric R. Tampier, Niklas Thornton, Robert Trac, Hy Treu, Jesse Tucker, Carole Ulluom, Joel Vale, Leila R. Van Engelen, Alexander Van Lanen, Jeff van Marrewijk, Joshiwa Vargas, Cristian Vavagiakis, Eve M. Wagoner, Kasey Wang, Yuhan Wenzl, Lukas Wollack, Edward J. Xu, Zhilei Zago, Fernando Zhang, Kaiwen Cosmology and Nongalactic Astrophysics We present new measurements of cosmic microwave background (CMB) lensing over $9400$ sq. deg. of the sky. These lensing measurements are derived from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) CMB dataset, which consists of five seasons of ACT CMB temperature and polarization observations. We determine the amplitude of the CMB lensing power spectrum at $2.3\%$ precision ($43σ$ significance) using a novel pipeline that minimizes sensitivity to foregrounds and to noise properties. To ensure our results are robust, we analyze an extensive set of null tests, consistency tests, and systematic error estimates and employ a blinded analysis framework. The baseline spectrum is well fit by a lensing amplitude of $A_{\mathrm{lens}}=1.013\pm0.023$ relative to the Planck 2018 CMB power spectra best-fit $Λ$CDM model and $A_{\mathrm{lens}}=1.005\pm0.023$ relative to the $\text{ACT DR4} + \text{WMAP}$ best-fit model. From our lensing power spectrum measurement, we derive constraints on the parameter combination $S^{\mathrm{CMBL}}_8 \equiv σ_8 \left({Ω_m}/{0.3}\right)^{0.25}$ of $S^{\mathrm{CMBL}}_8= 0.818\pm0.022$ from ACT DR6 CMB lensing alone and $S^{\mathrm{CMBL}}_8= 0.813\pm0.018$ when combining ACT DR6 and Planck NPIPE CMB lensing power spectra. These results are in excellent agreement with $Λ$CDM model constraints from Planck or $\text{ACT DR4} + \text{WMAP}$ CMB power spectrum measurements. Our lensing measurements from redshifts $z\sim0.5$--$5$ are thus fully consistent with $Λ$CDM structure growth predictions based on CMB anisotropies probing primarily $z\sim1100$. We find no evidence for a suppression of the amplitude of cosmic structure at low redshifts |
| title | The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and its Implications for Structure Growth |
| topic | Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2304.05202 |