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A Measurement of the Cosmic Microwave Background Lensing Potential and Power Spectrum from 500 deg2 of SPTpol Temperature and Polarization Data

Journal Article · · The Astrophysical Journal (Online)
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  1. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics
  2. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics, and Dept. of Astronomy and Astrophysics; Univ. of Oslo (Norway). Inst. of Theoretical Astrophysics
  3. Cardiff Univ. (United Kingdom)
  4. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  5. NIST Quantum Devices Group, Boulder, CO (United States)
  6. Univ. of California, Berkeley, CA (United States). Dept. of Physics
  7. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics; Argonne National Lab. (ANL), Argonne, IL (United States). High Energy Physics Division
  8. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics, and Dept. of Astronomy and Astrophysics; Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  9. Univ. of Melbourne, Parkville (Australia). School of Physics
  10. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics, Dept. of Astronomy and Astrophysics, Dept. of Physics, and Enrico Fermi Inst.; Argonne National Lab. (ANL), Argonne, IL (United States). High Energy Physics Division
  11. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics, and Dept. of Astronomy and Astrophysics; Argonne National Lab. (ANL), Argonne, IL (United States). High Energy Physics Division
  12. McGill Univ., Montreal, QC (Canada). Dept. of Physics; Univ. of KwaZulu-Natal, Durban (South Africa). School of Mathematics, Statistics & Computer Science
  13. California Inst. of Technology (CalTech), Pasadena, CA (United States). Theoretical AstroPhysics Including Relativity and Cosmology (TAPIR), Walter Burke Inst. for Theoretical Physics
  14. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics, and Dept. of Astronomy and Astrophysics
  15. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics, and Dept. of Astronomy and Astrophysics; California Inst. of Technology (CalTech), Pasadena, CA (United States)
  16. Univ. of California, Berkeley, CA (United States). Dept. of Physics; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physics Division
  17. McGill Univ., Montreal, QC (Canada). Dept. of Physics; Canadian Inst. for Advanced Research (CIFAR), Toronto, ON (Canada). Program in Cosmology and Gravity
  18. Univ. of Colorado, Boulder, CO (United States). Dept. of Astrophysical and Planetary Sciences
  19. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics; Harvey Mudd College, Claremont, CA (United States)
  20. Univ. of California, Berkeley, CA (United States). Dept. of Physics; European Southern Observatory, Garching bei München (Germany)
  21. McGill Univ., Montreal, QC (Canada). Dept. of Physics
  22. Univ. of Colorado, Boulder, CO (United States). Dept. of Astrophysical and Planetary Sciences, and Dept. of Physics
  23. Canadian Inst. for Advanced Research (CIFAR), Toronto, ON (Canada). Program in Cosmology and Gravity; Univ. of Illinois at Urbana-Champaign, IL (United States). Astronomy Dept.
  24. Univ. of Chicago, IL (United States)
  25. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., CA (United States). Dept. of Physics
  26. Univ. of California, Davis, CA (United States). Dept. of Physics
  27. NIST Quantum Devices Group, Boulder, CO (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  28. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics; Inst. d'Astrophysique, Paris (France)
  29. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Physics
  30. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics, Dept. of Astronomy and Astrophysics, Dept. of Physics, and Enrico Fermi Inst.
  31. Univ. of Illinois at Urbana-Champaign, IL (United States). Astronomy Dept.
  32. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  33. Stanford Univ., CA (United States). Dept. of Physics, and Kavli Inst. for Particle Astrophysics and Cosmology
  34. Univ. of Minnesota, Minneapolis, MN (United States). School of Physics and Astronomy
  35. Case Western Reserve Univ., Cleveland, OH (United States). Physics Dept., Center for Education and Research in Cosmology and Astrophysics
  36. Univ. of KwaZulu-Natal, Durban (South Africa). School of Mathematics, Statistics & Computer Science; Yale Univ., New Haven, CT (United States). Dept. of Physics
  37. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics, and Enrico Fermi Inst.; School of the Art Inst., Chicago, IL (United States). Liberal Arts Dept.
  38. McGill Univ., Montreal, QC (Canada). Dept. of Physics; Three-Speed Logic, Inc., Vancouver, BC (Canada)
  39. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States)
  40. Univ. of Toronto, ON (Canada). Dunlap Inst. for Astronomy & Astrophysics, and Dept. of Astronomy & Astrophysics
  41. Univ. of Maryland, College Park, MD (United States). Dept. of Astronomy
  42. Argonne National Lab. (ANL), Argonne, IL (United States). High Energy Physics Division
  43. Univ. of California, Los Angeles, CA (United States). Dept. of Physics and Astronomy
+ Show Author Affiliations
In this work, we present a measurement of the cosmic microwave background (CMB) lensing potential using 500 deg$^2$ of 150 GHz data from the SPTpol receiver on the South Pole Telescope. The lensing potential is reconstructed with signal-to-noise per mode greater than unity at lensing multipoles $$L \lesssim 250$$, using a quadratic estimator on a combination of CMB temperature and polarization maps. We report measurements of the lensing potential power spectrum in the multipole range of $100< L < 2000$ from sets of temperature-only, polarization-only, and minimum-variance estimators. We measure the lensing amplitude by taking the ratio of the measured spectrum to the expected spectrum from the best-fit $$\Lambda$$CDM model to the $$\textit{Planck}$$ 2015 TT+lowP+lensing dataset. For the minimum-variance estimator, we find $$A_{\rm{MV}} = 0.944 \pm 0.058{\rm (Stat.)}\pm0.025{\rm (Sys.)}$$; restricting to only polarization data, we find $$A_{\rm{POL}} = 0.906 \pm 0.090 {\rm (Stat.)} \pm 0.040 {\rm (Sys.)}$$. Considering statistical uncertainties alone, this is the most precise polarization-only lensing amplitude constraint to date (10.1 $$\sigma$$), and is more precise than our temperature-only constraint. We perform null tests and consistency checks and find no evidence for significant contamination.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States). Center for Nanoscale Materials (CNM); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); University of Illinois, Urbana, IL (United States)
Sponsoring Organization:
Australian Research Council (ARC); Canadian Institute for Advanced Research (CIFAR); Gordon and Betty Moore Foundation; Kavli Foundation; National Science Foundation (NSF); Natural Sciences and Engineering Research Council of Canada (NSERC); Science and Technologies Facilities Council (STFC-UK); USDOE Office of Science (SC); USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Organization:
Australian Research Council; Gordon and Betty Moore Foundation
Grant/Contract Number:
AC02-05CH11231; AC02-06CH11357; AC02-07CH11359; AC02-76SF00515; SC0015640
OSTI ID:
1513283
Alternate ID(s):
OSTI ID: 1603354
OSTI ID: 1737580
OSTI ID: 1634022
OSTI ID: 1595189
Report Number(s):
FERMILAB-PUB--19-225-AE; arXiv:1905.05777; oai:inspirehep.net:1735176
Journal Information:
The Astrophysical Journal (Online), Journal Name: The Astrophysical Journal (Online) Journal Issue: 1 Vol. 884; ISSN 1538-4357
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (2)

Constraints on Cosmological Parameters from the 500 deg 2 SPTPOL Lensing Power Spectrum journal January 2020
Constraints on Cosmological Parameters from the 500 deg$^2$ SPTpol Lensing Power Spectrum text January 2019

Figures / Tables (11)

Fig. 1(p. 6)figure Fig. 1
Fig. 2(p. 8)figure Fig. 2
Fig. 3(p. 9)figure Fig. 3
TABLE 1(p. 9)table TABLE 1
Fig. 4(p. 10)figure Fig. 4
Fig. 5(p. 11)figure Fig. 5
Fig. 6(p. 12)figure Fig. 6
Fig. 7(p. 13)figure Fig. 7
TABLE 2(p. 13)table TABLE 2
Fig. 8(p. 14)figure Fig. 8
TABLE 3(p. 16)table TABLE 3

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79 ASTRONOMY AND ASTROPHYSICS
Planck
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background
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cosmic
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cosmology: cosmic background radiation
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large-scale structure
large-scale structure of the universe
lens
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multipole
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radiation:
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