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Unified and consistent structure growth measurements from joint ACT, SPT and \textit{Planck} CMB lensing

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Main Authors:	Qu, Frank J., Ge, Fei, Wu, W. L. Kimmy, Abril-Cabezas, Irene, Madhavacheril, Mathew S., Millea, Marius, Ahmed, Zeeshan, Anderes, Ethan, Anderson, Adam J., Ansarinejad, Behzad, Archipley, Melanie, Atkins, Zachary, Balkenhol, Lennart, Battaglia, Nicholas, Benabed, Karim, Bender, Amy N., Benson, Bradford A., Bianchini, Federico, Bleem, Lindsey. E., Bolliet, Boris, Bond, J Richard, Bouchet, François. R., Bryant, Lincoln, Calabrese, Erminia, Camphuis, Etienne, Carlstrom, John E., Carron, Julien, Challinor, Anthony, Chang, Clarence L., Chaubal, Prakrut, Chen, Geoff, Chichura, Paul M., Choi, Steve K., Chokshi, Aman, Chou, Ti-Lin, Coerver, Anna, Coulton, William, Crawford, Thomas M., Daley, Cail, Darwish, Omar, de Haan, Tijmen, Devlin, Mark J., Dibert, Karia R., Dobbs, Matthew A., Doohan, Michael, Doussot, Aristide, Duivenvoorden, Adriaan J., Dunkley, Jo, Dunner, Rolando, Dutcher, Daniel, Villagra, Carmen Embil, Everett, Wendy, Farren, Gerrit S., Feng, Chang, Ferraro, Simone, Ferguson, Kyle R., Fichman, Kyra, Finson, Emily, Foster, Allen, Gallardo, Patricio A., Galli, Silvia, Gambrel, Anne E., Gardner, Rob W., Goeckner-Wald, Neil, Gualtieri, Riccardo, Guidi, Federica, Guns, Sam, Halpern, Mark, Halverson, Nils W., Hill, J. Colin, Hilton, Matt, Hivon, Eric, Holder, Gilbert P., Holzapfel, William L., Hood, John C., Howe, Doug, Hryciuk, Alec, Huang, Nicholas, Hubmayr, Johannes, Kéruzoré, Florian, Khalife, Ali R., Kim, Joshua, Knox, Lloyd, Korman, Milo, Kornoelje, Kayla, Kosowsky, Arthur, Kuo, Chao-Lin, Jense, Hidde T., La Posta, Adrien, Levy, Kevin, Lowitz, Amy E., Louis, Thibaut, Lu, Chunyu, Lynch, Gabriel P., MacCrann, Niall, Maniyar, Abhishek, Martsen, Emily S., McMahon, Jeff, Menanteau, Felipe, Montgomery, Joshua, Nakato, Yuka, Moodley, Kavilan, Namikawa, Toshiya, Natoli, Tyler, Niemack, Michael D., Noble, Gavin I., Omori, Yuuki, Ouellette, Aaron, Page, Lyman A., Pan, Zhaodi, Paschos, Pascal, Phadke, Kedar A., Pollak, Alexander W., Prabhu, Karthik, Quan, Wei, Raghunathan, Srinivasan, Rahimi, Mahsa, Rahlin, Alexandra, Reichardt, Christian L., Riebel, Dave, Rouble, Maclean, Ruhl, John E., Schaan, Emmanuel, Schiappucci, Eduardo, Sehgal, Neelima, Sierra, Carlos E., Simpson, Aidan, Sherwin, Blake D., Sifón, Cristóbal, Spergel, David N., Staggs, Suzanne T., Sobrin, Joshua A., Stark, Antony A., Stephen, Judith, Tandoi, Chris, Thorne, Ben, Trendafilova, Cynthia, Umilta, Caterina, Van Engelen, Alexander, Vieira, Joaquin D., Vitrier, Aline, Wan, Yujie, Whitehorn, Nathan, Wollack, Edward J., Young, Matthew R., Zebrowski, Jessica A.
Format:	Preprint
Published:	2025
Subjects:	Cosmology and Nongalactic Astrophysics
Online Access:	Acceder al recurso
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author	Qu, Frank J. Ge, Fei Wu, W. L. Kimmy Abril-Cabezas, Irene Madhavacheril, Mathew S. Millea, Marius Ahmed, Zeeshan Anderes, Ethan Anderson, Adam J. Ansarinejad, Behzad Archipley, Melanie Atkins, Zachary Balkenhol, Lennart Battaglia, Nicholas Benabed, Karim Bender, Amy N. Benson, Bradford A. Bianchini, Federico Bleem, Lindsey. E. Bolliet, Boris Bond, J Richard Bouchet, François. R. Bryant, Lincoln Calabrese, Erminia Camphuis, Etienne Carlstrom, John E. Carron, Julien Challinor, Anthony Chang, Clarence L. Chaubal, Prakrut Chen, Geoff Chichura, Paul M. Choi, Steve K. Chokshi, Aman Chou, Ti-Lin Coerver, Anna Coulton, William Crawford, Thomas M. Daley, Cail Darwish, Omar de Haan, Tijmen Devlin, Mark J. Dibert, Karia R. Dobbs, Matthew A. Doohan, Michael Doussot, Aristide Duivenvoorden, Adriaan J. Dunkley, Jo Dunner, Rolando Dutcher, Daniel Villagra, Carmen Embil Everett, Wendy Farren, Gerrit S. Feng, Chang Ferraro, Simone Ferguson, Kyle R. Fichman, Kyra Finson, Emily Foster, Allen Gallardo, Patricio A. Galli, Silvia Gambrel, Anne E. Gardner, Rob W. Goeckner-Wald, Neil Gualtieri, Riccardo Guidi, Federica Guns, Sam Halpern, Mark Halverson, Nils W. Hill, J. Colin Hilton, Matt Hivon, Eric Holder, Gilbert P. Holzapfel, William L. Hood, John C. Howe, Doug Hryciuk, Alec Huang, Nicholas Hubmayr, Johannes Kéruzoré, Florian Khalife, Ali R. Kim, Joshua Knox, Lloyd Korman, Milo Kornoelje, Kayla Kosowsky, Arthur Kuo, Chao-Lin Jense, Hidde T. La Posta, Adrien Levy, Kevin Lowitz, Amy E. Louis, Thibaut Lu, Chunyu Lynch, Gabriel P. MacCrann, Niall Maniyar, Abhishek Martsen, Emily S. McMahon, Jeff Menanteau, Felipe Montgomery, Joshua Nakato, Yuka Moodley, Kavilan Namikawa, Toshiya Natoli, Tyler Niemack, Michael D. Noble, Gavin I. Omori, Yuuki Ouellette, Aaron Page, Lyman A. Pan, Zhaodi Paschos, Pascal Phadke, Kedar A. Pollak, Alexander W. Prabhu, Karthik Quan, Wei Raghunathan, Srinivasan Rahimi, Mahsa Rahlin, Alexandra Reichardt, Christian L. Riebel, Dave Rouble, Maclean Ruhl, John E. Schaan, Emmanuel Schiappucci, Eduardo Sehgal, Neelima Sierra, Carlos E. Simpson, Aidan Sherwin, Blake D. Sifón, Cristóbal Spergel, David N. Staggs, Suzanne T. Sobrin, Joshua A. Stark, Antony A. Stephen, Judith Tandoi, Chris Thorne, Ben Trendafilova, Cynthia Umilta, Caterina Van Engelen, Alexander Vieira, Joaquin D. Vitrier, Aline Wan, Yujie Whitehorn, Nathan Wollack, Edward J. Young, Matthew R. Zebrowski, Jessica A.
author_facet	Qu, Frank J. Ge, Fei Wu, W. L. Kimmy Abril-Cabezas, Irene Madhavacheril, Mathew S. Millea, Marius Ahmed, Zeeshan Anderes, Ethan Anderson, Adam J. Ansarinejad, Behzad Archipley, Melanie Atkins, Zachary Balkenhol, Lennart Battaglia, Nicholas Benabed, Karim Bender, Amy N. Benson, Bradford A. Bianchini, Federico Bleem, Lindsey. E. Bolliet, Boris Bond, J Richard Bouchet, François. R. Bryant, Lincoln Calabrese, Erminia Camphuis, Etienne Carlstrom, John E. Carron, Julien Challinor, Anthony Chang, Clarence L. Chaubal, Prakrut Chen, Geoff Chichura, Paul M. Choi, Steve K. Chokshi, Aman Chou, Ti-Lin Coerver, Anna Coulton, William Crawford, Thomas M. Daley, Cail Darwish, Omar de Haan, Tijmen Devlin, Mark J. Dibert, Karia R. Dobbs, Matthew A. Doohan, Michael Doussot, Aristide Duivenvoorden, Adriaan J. Dunkley, Jo Dunner, Rolando Dutcher, Daniel Villagra, Carmen Embil Everett, Wendy Farren, Gerrit S. Feng, Chang Ferraro, Simone Ferguson, Kyle R. Fichman, Kyra Finson, Emily Foster, Allen Gallardo, Patricio A. Galli, Silvia Gambrel, Anne E. Gardner, Rob W. Goeckner-Wald, Neil Gualtieri, Riccardo Guidi, Federica Guns, Sam Halpern, Mark Halverson, Nils W. Hill, J. Colin Hilton, Matt Hivon, Eric Holder, Gilbert P. Holzapfel, William L. Hood, John C. Howe, Doug Hryciuk, Alec Huang, Nicholas Hubmayr, Johannes Kéruzoré, Florian Khalife, Ali R. Kim, Joshua Knox, Lloyd Korman, Milo Kornoelje, Kayla Kosowsky, Arthur Kuo, Chao-Lin Jense, Hidde T. La Posta, Adrien Levy, Kevin Lowitz, Amy E. Louis, Thibaut Lu, Chunyu Lynch, Gabriel P. MacCrann, Niall Maniyar, Abhishek Martsen, Emily S. McMahon, Jeff Menanteau, Felipe Montgomery, Joshua Nakato, Yuka Moodley, Kavilan Namikawa, Toshiya Natoli, Tyler Niemack, Michael D. Noble, Gavin I. Omori, Yuuki Ouellette, Aaron Page, Lyman A. Pan, Zhaodi Paschos, Pascal Phadke, Kedar A. Pollak, Alexander W. Prabhu, Karthik Quan, Wei Raghunathan, Srinivasan Rahimi, Mahsa Rahlin, Alexandra Reichardt, Christian L. Riebel, Dave Rouble, Maclean Ruhl, John E. Schaan, Emmanuel Schiappucci, Eduardo Sehgal, Neelima Sierra, Carlos E. Simpson, Aidan Sherwin, Blake D. Sifón, Cristóbal Spergel, David N. Staggs, Suzanne T. Sobrin, Joshua A. Stark, Antony A. Stephen, Judith Tandoi, Chris Thorne, Ben Trendafilova, Cynthia Umilta, Caterina Van Engelen, Alexander Vieira, Joaquin D. Vitrier, Aline Wan, Yujie Whitehorn, Nathan Wollack, Edward J. Young, Matthew R. Zebrowski, Jessica A.
contents	We present the tightest cosmic microwave background (CMB) lensing constraints to date on the growth of structure by combining CMB lensing measurements from the Atacama Cosmology Telescope (ACT), the South Pole Telescope (SPT) and \textit{Planck}. Each of these surveys individually provides lensing measurements with similarly high statistical power, achieving signal-to-noise ratios of approximately 40. The combined lensing bandpowers represent the most precise CMB lensing power spectrum measurement to date with a signal-to-noise ratio of 61 and an amplitude of $A_\mathrm{lens}^\mathrm{recon} = 1.025 \pm 0.017$ with respect to the theory prediction from the best-fit CMB \textit{Planck}-ACT cosmology. The bandpowers from all three lensing datasets, analyzed jointly, yield a $1.6\%$ measurement of the parameter combination $S_8^\mathrm{CMBL} \equiv σ_8\,(Ω_m/0.3)^{0.25} = 0.825^{+0.015}_{-0.013}$. Including Dark Energy Spectroscopic Instrument (DESI) Baryon Acoustic Oscillation (BAO) data improves the constraint on the amplitude of matter fluctuations to $σ_8 = 0.829 \pm 0.009$ (a $1.1\%$ determination). When combining with uncalibrated supernovae from \texttt{Pantheon+}, we present a $4\%$ sound-horizon-independent estimate of $H_0=66.4\pm2.5\,\mathrm{km\,s^{-1}\,Mpc^{-1}} $. The joint lensing constraints on structure growth and present-day Hubble rate are fully consistent with a $Λ$CDM model fit to the primary CMB data from \textit{Planck} and ACT. While the precise upper limit is sensitive to the choice of data and underlying model assumptions, when varying the neutrino mass sum within the $Λ\mathrm{CDM}$ cosmological model, the combination of primary CMB, BAO and CMB lensing drives the probable upper limit for the mass sum towards lower values, comparable to the minimum mass prior required by neutrino oscillation experiments.
format	Preprint
id	arxiv_https___arxiv_org_abs_2504_20038
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Unified and consistent structure growth measurements from joint ACT, SPT and \textit{Planck} CMB lensing Qu, Frank J. Ge, Fei Wu, W. L. Kimmy Abril-Cabezas, Irene Madhavacheril, Mathew S. Millea, Marius Ahmed, Zeeshan Anderes, Ethan Anderson, Adam J. Ansarinejad, Behzad Archipley, Melanie Atkins, Zachary Balkenhol, Lennart Battaglia, Nicholas Benabed, Karim Bender, Amy N. Benson, Bradford A. Bianchini, Federico Bleem, Lindsey. E. Bolliet, Boris Bond, J Richard Bouchet, François. R. Bryant, Lincoln Calabrese, Erminia Camphuis, Etienne Carlstrom, John E. Carron, Julien Challinor, Anthony Chang, Clarence L. Chaubal, Prakrut Chen, Geoff Chichura, Paul M. Choi, Steve K. Chokshi, Aman Chou, Ti-Lin Coerver, Anna Coulton, William Crawford, Thomas M. Daley, Cail Darwish, Omar de Haan, Tijmen Devlin, Mark J. Dibert, Karia R. Dobbs, Matthew A. Doohan, Michael Doussot, Aristide Duivenvoorden, Adriaan J. Dunkley, Jo Dunner, Rolando Dutcher, Daniel Villagra, Carmen Embil Everett, Wendy Farren, Gerrit S. Feng, Chang Ferraro, Simone Ferguson, Kyle R. Fichman, Kyra Finson, Emily Foster, Allen Gallardo, Patricio A. Galli, Silvia Gambrel, Anne E. Gardner, Rob W. Goeckner-Wald, Neil Gualtieri, Riccardo Guidi, Federica Guns, Sam Halpern, Mark Halverson, Nils W. Hill, J. Colin Hilton, Matt Hivon, Eric Holder, Gilbert P. Holzapfel, William L. Hood, John C. Howe, Doug Hryciuk, Alec Huang, Nicholas Hubmayr, Johannes Kéruzoré, Florian Khalife, Ali R. Kim, Joshua Knox, Lloyd Korman, Milo Kornoelje, Kayla Kosowsky, Arthur Kuo, Chao-Lin Jense, Hidde T. La Posta, Adrien Levy, Kevin Lowitz, Amy E. Louis, Thibaut Lu, Chunyu Lynch, Gabriel P. MacCrann, Niall Maniyar, Abhishek Martsen, Emily S. McMahon, Jeff Menanteau, Felipe Montgomery, Joshua Nakato, Yuka Moodley, Kavilan Namikawa, Toshiya Natoli, Tyler Niemack, Michael D. Noble, Gavin I. Omori, Yuuki Ouellette, Aaron Page, Lyman A. Pan, Zhaodi Paschos, Pascal Phadke, Kedar A. Pollak, Alexander W. Prabhu, Karthik Quan, Wei Raghunathan, Srinivasan Rahimi, Mahsa Rahlin, Alexandra Reichardt, Christian L. Riebel, Dave Rouble, Maclean Ruhl, John E. Schaan, Emmanuel Schiappucci, Eduardo Sehgal, Neelima Sierra, Carlos E. Simpson, Aidan Sherwin, Blake D. Sifón, Cristóbal Spergel, David N. Staggs, Suzanne T. Sobrin, Joshua A. Stark, Antony A. Stephen, Judith Tandoi, Chris Thorne, Ben Trendafilova, Cynthia Umilta, Caterina Van Engelen, Alexander Vieira, Joaquin D. Vitrier, Aline Wan, Yujie Whitehorn, Nathan Wollack, Edward J. Young, Matthew R. Zebrowski, Jessica A. Cosmology and Nongalactic Astrophysics We present the tightest cosmic microwave background (CMB) lensing constraints to date on the growth of structure by combining CMB lensing measurements from the Atacama Cosmology Telescope (ACT), the South Pole Telescope (SPT) and \textit{Planck}. Each of these surveys individually provides lensing measurements with similarly high statistical power, achieving signal-to-noise ratios of approximately 40. The combined lensing bandpowers represent the most precise CMB lensing power spectrum measurement to date with a signal-to-noise ratio of 61 and an amplitude of $A_\mathrm{lens}^\mathrm{recon} = 1.025 \pm 0.017$ with respect to the theory prediction from the best-fit CMB \textit{Planck}-ACT cosmology. The bandpowers from all three lensing datasets, analyzed jointly, yield a $1.6\%$ measurement of the parameter combination $S_8^\mathrm{CMBL} \equiv σ_8\,(Ω_m/0.3)^{0.25} = 0.825^{+0.015}_{-0.013}$. Including Dark Energy Spectroscopic Instrument (DESI) Baryon Acoustic Oscillation (BAO) data improves the constraint on the amplitude of matter fluctuations to $σ_8 = 0.829 \pm 0.009$ (a $1.1\%$ determination). When combining with uncalibrated supernovae from \texttt{Pantheon+}, we present a $4\%$ sound-horizon-independent estimate of $H_0=66.4\pm2.5\,\mathrm{km\,s^{-1}\,Mpc^{-1}} $. The joint lensing constraints on structure growth and present-day Hubble rate are fully consistent with a $Λ$CDM model fit to the primary CMB data from \textit{Planck} and ACT. While the precise upper limit is sensitive to the choice of data and underlying model assumptions, when varying the neutrino mass sum within the $Λ\mathrm{CDM}$ cosmological model, the combination of primary CMB, BAO and CMB lensing drives the probable upper limit for the mass sum towards lower values, comparable to the minimum mass prior required by neutrino oscillation experiments.
title	Unified and consistent structure growth measurements from joint ACT, SPT and \textit{Planck} CMB lensing
topic	Cosmology and Nongalactic Astrophysics
url	https://arxiv.org/abs/2504.20038