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A MEASUREMENT OF THE COSMIC MICROWAVE BACKGROUND B-MODE POLARIZATION WITH POLARBEAR

  • ADE, P.A.R. (School of Physics and Astronomy, Cardiff University) ;
  • AKIBA, Y. (The Graduate University for Advanced Studies) ;
  • ANTHONY, A.E. (Center for Astrophysics and Space Astronomy, University of Colorado) ;
  • ARNOLD, K. (Department of Physics, University of California) ;
  • ATLAS, M. (Department of Physics, University of California) ;
  • BARRON, D. (Department of Physics, University of California) ;
  • BOETTGER, D. (Department of Physics, University of California) ;
  • BORRILL, J. (Computational Cosmology Center, Lawrence Berkeley National Laboratory) ;
  • CHAPMAN, S. (Department of Physics and Atmospheric Science, Dalhousie University) ;
  • CHINONE, Y. (High Energy Accelerator Research Organization (KEK)) ;
  • DOBBS, M. (Physics Department, McGill University) ;
  • ELLEFLOT, T. (Department of Physics, University of California) ;
  • ERRARD, J. (Space Sciences Laboratory, University of California) ;
  • FABBIAN, G. (AstroParticule et Cosmologie, Univ Paris Diderot) ;
  • FENG, C. (Department of Physics, University of California) ;
  • FLANIGAN, D. (Department of Physics, University of California) ;
  • GILBERT, A. (Physics Department, McGill University) ;
  • GRAINGER, W. (Rutherford Appleton Laboratory, STFC) ;
  • HALVERSON, N.W. (Center for Astrophysics and Space Astronomy, University of Colorado) ;
  • HASEGAWA, M. (High Energy Accelerator Research Organization (KEK)) ;
  • HATTORI, K. (High Energy Accelerator Research Organization (KEK)) ;
  • HAZUMI, M. (High Energy Accelerator Research Organization (KEK)) ;
  • HOLZAPFEL, W.L. (Department of Physics, University of California) ;
  • HORI, Y. (High Energy Accelerator Research Organization (KEK)) ;
  • HOWARD, J. (Department of Physics, University of California) ;
  • HYLAND, P. (Physics Department, Austin College) ;
  • INOUE, Y. (The Graduate University for Advanced Studies) ;
  • JAEHNIG, G.C. (Center for Astrophysics and Space Astronomy, University of Colorado) ;
  • JAFFE, A.H. (Department of Physics, Imperial College London) ;
  • KEATING, B. (Department of Physics, University of California) ;
  • KERMISH, Z. (Department of Physics, Princeton University) ;
  • KESKITALO, R. (Computational Cosmology Center, Lawrence Berkeley National Laboratory) ;
  • KISNER, T. (Computational Cosmology Center, Lawrence Berkeley National Laboratory) ;
  • JEUNE, M. LE (AstroParticule et Cosmologie, Univ Paris Diderot) ;
  • LEE, A.T. (Department of Physics, University of California) ;
  • LEITCH, E.M. (Department of Astronomy and Astrophysics, University of Chicago) ;
  • LINDER, E. (Physics Division, Lawrence Berkeley National Laboratory) ;
  • LUNGU, M. (Department of Physics, University of California) ;
  • MATSUDA, F. (Department of Physics, University of California) ;
  • MATSUMURA, T. (Department of Physics, University of California) ;
  • MENG, X. (Department of Physics, University of California) ;
  • MILLER, N.J. (Observational Cosmology Laboratory) ;
  • MORII, H. (High Energy Accelerator Research Organization (KEK)) ;
  • MOYERMAN, S. (Department of Physics, University of California) ;
  • MYERS, M.J. (Department of Physics, University of California) ;
  • NAVAROLI, M. (Department of Physics, University of California) ;
  • NISHINO, H. (Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, The University of Tokyo) ;
  • ORLANDO, A. (Department of Physics, University of California) ;
  • PAAR, H. (Department of Physics, University of California) ;
  • PELOTON, J. (AstroParticule et Cosmologie, Univ Paris Diderot) ;
  • POLETTI, D. (AstroParticule et Cosmologie, Univ Paris Diderot) ;
  • QUEALY, E. (Department of Physics, University of California) ;
  • REBEIZ, G. (Department of Electrical and Computer Engineering, University of California)
  • Received : 2014.11.30
  • Accepted : 2015.06.30
  • Published : 2015.09.30
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Abstract

POLARBEAR is a ground-based experiment located in the Atacama desert of northern Chile. The experiment is designed to measure the Cosmic Microwave Background B-mode polarization at several arcminute resolution. The CMB B-mode polarization on degree angular scales is a unique signature of primordial gravitational waves from cosmic inflation and B-mode signal on sub-degree scales is induced by the gravitational lensing from large-scale structure. Science observations began in early 2012 with an array of 1.274 polarization sensitive antenna-couple Transition Edge Sensor (TES) bolometers at 150 GHz. We published the first CMB-only measurement of the B-mode polarization on sub-degree scales induced by gravitational lensing in December 2013 followed by the first measurement of the B-mode power spectrum on those scales in March 2014. In this proceedings, we review the physics of CMB B-modes and then describe the Polarbear experiment, observations, and recent results.

Keywords

References

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  1. PRIMORDIAL GRAVITATIONAL WAVES AND RESCATTERED ELECTROMAGNETIC RADIATION IN THE COSMIC MICROWAVE BACKGROUND vol.830, pp.2, 2016, https://doi.org/10.3847/0004-637X/830/2/161