Searching for anisotropic cosmic birefringence with polarization data from SPTpol

Bianchini, F.; Wu, W.  L. K.; Ade, P.  A. R.; Anderson, A.  J.; Austermann, J.  E.; Avva, J.  S.; Balkenhol, L.; Baxter, E.; Beall, J.  A.; Bender, A.  N.; Benson, B.  A.; Bleem, L.  E.; Carlstrom, J.  E.; Chang, C.  L.; Chaubal, P.; Chiang, H.  C.; Chou, T.  L.; Citron, R.; Corbett Moran, C.; Crawford, T.  M.; Crites, A.  T.; de Haan, T.; Dobbs, M.  A.; Everett, W.; Gallicchio, J.; George, E.  M.; Gilbert, A.; Gupta, N.; Halverson, N.  W.; Henning, J.  W.; Hilton, G.  C.; Holder, G.  P.; Holzapfel, W.  L.; Hrubes, J.  D.; Huang, N.; Hubmayr, J.; Irwin, K.  D.; Knox, L.; Lee, A.  T.; Li, D.; Lowitz, A.; Manzotti, A.; McMahon, J.  J.; Meyer, S.  S.; Millea, M.; Mocanu, L.  M.; Montgomery, J.; Nadolski, A.; Natoli, T.; Nibarger, J.  P.; Noble, G.; Novosad, V.; Omori, Y.; Padin, S.; Patil, S.; Pryke, C.; Reichardt, C.  L.; Ruhl, J.  E.; Saliwanchik, B.  R.; Schaffer, K.  K.; Sievers, C.; Simard, G.; Smecher, G.; Stark, A.  A.; Story, K.  T.; Tucker, C.; Vanderlinde, K.; Veach, T.; Vieira, J.  D.; Wang, G.; Whitehorn, N.; Yefremenko, V.

doi:10.1103/physrevd.102.083504

Title: Searching for anisotropic cosmic birefringence with polarization data from SPTpol

Journal Article · Fri Oct 02 00:00:00 EDT 2020 · Physical Review D

DOI:https://doi.org/10.1103/physrevd.102.083504· OSTI ID:1637634

Bianchini, F.; Wu, W. L. K.; Ade, P. A. R.; Anderson, A. J.; Austermann, J. E.; Avva, J. S.; Balkenhol, L.; Baxter, E.; Beall, J. A.; Bender, A. N.; Benson, B. A.; Bleem, L. E.; Carlstrom, J. E.; Chang, C. L.; Chaubal, P.; Chiang, H. C.; Chou, T. L.; Citron, R.; Corbett Moran, C.; Crawford, T. M. more »

We present a search for anisotropic cosmic birefringence in 500 deg2 of southern sky observed at 150 GHz with the SPTpol camera on the South Pole Telescope. We reconstruct a map of cosmic polarization rotation anisotropies using higher-order correlations between the observed cosmic microwave background (CMB) E and B fields. We then measure the angular power spectrum of this map, which is found to be consistent with zero. The non-detection is translated into an upper limit on the amplitude of the scale-invariant cosmic rotation power spectrum, L(L+1)CααL/2π<0.10×10-4 rad2 (0.033 deg2, 95% C.L.). This upper limit can be used to place constraints on the strength of primordial magnetic fields, B1Mpc<17nG (95% C.L.), and on the coupling constant of the Chern-Simons electromagnetic term gaγ<4.0×10-2/HI (95% C.L.), where HI is the inflationary Hubble scale. For the first time, we also cross-correlate the CMB temperature fluctuations with the reconstructed rotation angle map, a signal expected to be non-vanishing in certain theoretical scenarios, and find no detectable signal. We perform a suite of systematics and consistency checks and find no evidence for contamination.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States). Center for Nanoscale Materials (CNM); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); Kavli Foundation; Gordon and Betty Moore Foundation; USDOE Office of Science (SC), Basic Energy Sciences (BES)

Contributing Organization:: SPT Collaboration

Grant/Contract Number:: AC02-07CH11359; PLR-1248097; OPP-1852617; PHY-1125897; GBMF 947; AC02-05CH11231; AC02-06CH11357; AC02-76SF00515; De-AC02-07CH11359; FT150100074

OSTI ID:: 1637634

Alternate ID(s):: OSTI ID: 1774113; OSTI ID: 1779815

Report Number(s):: arXiv:2006.08061; FERMILAB-PUB-20-264-AE; oai:inspirehep.net:1801217; TRN: US2201646

Journal Information:: Physical Review D, Vol. 102, Issue 8; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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