Constraints on Primordial Gravitational Waves Using Planck, WMAP, and New BICEP2/Keck Observations through the 2015 Season.

  title={Constraints on Primordial Gravitational Waves Using Planck, WMAP, and New BICEP2/Keck Observations through the 2015 Season.},
  author={Peter A. R. Ade and Zubair Ahmed and R. W. Aikin and Kristen Alexander and Denis Barkats and Steven J. Benton and Christoph Bischoff and James Bock and Rachel Bowens-Rubin and Justus A. Brevik and Immanuel Buder and E. Bullock and V Buza and Johnpatrick Connors and Jered B. Cornelison and Brendan P. Crill and Michael Crumrine and Marion I. P. Dierickx and Lionel Duband and Cora Dvorkin and Jeffrey P. Filippini and Stefan Fliescher and Jodi Grayson and Graham Hall and Mark Halpern and Sarah Harrison and Sergi R. Hildebrandt and Gene Charles Hilton and Hu Hui and Kent D Irwin and J-h Kang and Kirit S. Karkare and Ewa Karpel and Jasminka Pecoti{\'c} Kaufman and Brian Gregory Keating and S. Kefeli and S. A. Kernasovskiy and J M Kovac and C. L. Kuo and Nicole A. Larsen and Krystal Lau and Erik M. Leitch and Matthew Lueker and Krikor G. Megerian and Lorenzo Moncelsi and Toshiya Namikawa and Calvin Barth Netterfield and Hien Thai Nguyen and Roger O'Brient and R. Walter Ogburn and Simona Palladino and Clement L Pryke and Ben Racine and Sebastian M Richter and Anna Schillaci and Richard R. Schwarz and Christopher D. Sheehy and Aly A.A. Soliman and Tara St.Germaine and Zachary Staniszewski and Bastian Steinbach and Rashmikant Sudiwala and Grant P. Teply and Kelley Leigh Thompson and James Tolan and Carole Tucker and Anthony D. Turner and Carlo Umilta and A. G. Vieregg and Albert Wandui and Arnaud Claude Weber and Donald V. Wiebe and J. Willmert and C L Wong and W. L. Kimmy Wu and Hongjuan Yang and Ki Won Yoon and Chuhong Zhang},
  journal={Physical review letters},
  volume={121 22},
We present results from an analysis of all data taken by the bicep2/Keck CMB polarization experiments up to and including the 2015 observing season. This includes the first Keck Array observations at 220 GHz and additional observations at 95 and 150 GHz. The Q and U maps reach depths of 5.2, 2.9, and 26  μK_{CMB} arcmin at 95, 150, and 220 GHz, respectively, over an effective area of ≈400 square degrees. The 220 GHz maps achieve a signal to noise on polarized dust emission approximately equal… CONTINUE READING

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