Measurements of B -mode polarization of the cosmic microwave background from 500 square degrees of SPTpol data

@article{Sayre2019MeasurementsO,
  title={Measurements of 
B
-mode polarization of the cosmic microwave background from 500 square degrees of SPTpol data},
  author={J. T. Sayre and Christian L. Reichardt and Jason W. Henning and Peter A. R. Ade and A. J. Anderson and Jason E. Austermann and J. S. Avva and J. A. Beall and Amy N. Bender and Bradford A. Benson and Federico Bianchini and Lindsey E. Bleem and John E. Carlstrom and C. L. Chang and H. C. Chiang and Robert I. Citron and Christine Corbett Moran and Thomas M. Crawford and Abigail Crites and Tijmen de Haan and M. A. Dobbs and Wendeline B. Everett and Jason Richard Gallicchio and E. M. George and Adam J. Gilbert and N. Gupta and Nils W. Halverson and Nicholas Lee Harrington and G. C. Hilton and Gilbert P. Holder and William L. Holzapfel and Jan Hrube{\vs} and Nicholas Huang and J. Hubmayr and Kent D. Irwin and Lloyd Knox and A. T. Lee and D. Li and A. E. Lowitz and Jeff J. McMahon and Stephan S. Meyer and L. M. Mocanu and J. Montgomery and Andrew Nadolski and Tyler J. Natoli and John P. Nibarger and Gavin I. Noble and Valentyn Novosad and Stephen Padin and Sanjaykumar Patil and Clement L Pryke and John E. Ruhl and Benjamin R. B. Saliwanchik and K. K. Schaffer and Charlie Sievers and Graeme Smecher and Antony A. Stark and C E Tucker and Keith Vanderlinde and Todd J. Veach and Joaquin D. Vieira and G. Wang and Nathan Whitehorn and W. L. Kimmy Wu and Volodymyr Yefremenko},
  journal={Physical Review D},
  year={2019}
}
We report a B-mode power spectrum measurement from the cosmic microwave background (CMB) polarization anisotropy observations made using the SPTpol instrument on the South Pole Telescope. This work uses 500 deg$^2$ of SPTpol data, a five-fold increase over the last SPTpol B-mode release. As a result, the bandpower uncertainties have been reduced by more than a factor of two, and the measurement extends to lower multipoles: $52 320$. 

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