Measurements of the E-mode polarization and temperature-E-mode correlation of the CMB from SPT-3G 2018 data

• Published in: Physical Review D
• Main Authors: Dutcher, D., Balkenhol, L., Ade, P.A.R., Ahmed, Z., Anderes, E., Anderson, A.J., Archipley, M., Avva, J.S., Aylor, K., Barry, P.S., Thakur, R. Basu, Benabed, K., Bender, A.N., Benson, B.A., Bianchini, F., Bleem, L.E., Bouchet, F.R., Bryant, L., Byrum, K., Carlstrom, J.E., Carter, F.W., Cecil, T.W., Chang, C.L., Chaubal, P., Chen, G., Cho, H.-M., Chou, T.-L., Cliche, J.-F., Crawford, T.M., Cukierman, A., Daley, C., De Haan, T., Denison, E.V., Dibert, K., Ding, J., Dobbs, M.A., Everett, W., Feng, C., Ferguson, K.R., Foster, A., Fu, J., Galli, S., Gambrel, A.E., Gardner, R.W., Goeckner-Wald, N., Gualtieri, R., Guns, S., Gupta, N., Guyser, R., Halverson, N.W.
• Other Authors: Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), SPT-3G
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2021
• Subjects: pole; satellite: Planck; cosmic background radiation: multipole; gravitation: lens; dimension: 6; cosmic background radiation: spectrum; polarization: power spectrum; cosmological model: parameter space; correlation; [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]; South Pole; South pole
• Online Access: https://hal.archives-ouvertes.fr/hal-03122245; https://doi.org/10.1103/PhysRevD.104.022003

International audience We present measurements of the <math display="inline"><mi>E</mi></math>-mode (<math display="inline"><mi>E</mi><mi>E</mi></math>) polarization power spectrum and temperature-<math display="inline"><mi>E</mi></math>-mode (<math display="inline"><mi>T</mi><mi>E</mi></math>) cross-power spectrum of the cosmic microwave background using data collected by SPT-3G, the latest instrument installed on the South Pole Telescope. This analysis uses observations of a <math display="inline"><mn>1500</mn><mtext> </mtext><mtext> </mtext><mrow><msup><mrow><mi>deg</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></math> region at 95, 150, and 220 GHz taken over a four-month period in 2018. We report binned values of the <math display="inline"><mi>E</mi><mi>E</mi></math> and <math display="inline"><mi>T</mi><mi>E</mi></math> power spectra over the angular multipole range <math display="inline"><mn>300</mn><mo>≤</mo><mo>ℓ</mo><mo><</mo><mn>3000</mn></math>, using the multifrequency data to construct six semi-independent estimates of each power spectrum and their minimum-variance combination. These measurements improve upon the previous results of SPTpol across the multipole ranges <math display="inline"><mn>300</mn><mo>≤</mo><mo>ℓ</mo><mo>≤</mo><mn>1400</mn></math> for <math display="inline"><mi>E</mi><mi>E</mi></math> and <math display="inline"><mn>300</mn><mo>≤</mo><mo>ℓ</mo><mo>≤</mo><mn>1700</mn></math> for <math ...