S. Chapman⁷, Y. Chinone^8,9, M. Dobbs¹⁰, T. Elleflot⁴, J. Errard^5,6, G. Fabbian^11,12, C. Feng^4,*, D. Flanigan^9,13, A. Gilbert¹⁰, W. Grainger¹⁴, N. W. Halverson^3,15,16, M. Hasegawa^8,2, K. Hattori⁸, M. Hazumi^8,2,17, W. L. Holzapfel⁹, Y. Hori⁸, J. Howard^9,18, P. Hyland¹⁹, Y. Inoue², G. C. Jaehnig^3,16, A. Jaffe²⁰, B. Keating⁴, Z. Kermish²¹, R. Keskitalo⁵, T. Kisner^5,6, M. Le Jeune¹¹, A. T. Lee^9,22, E. Linder^6,22, E. M. Leitch^23,24, M. Lungu⁹, F. Matsuda⁴, T. Matsumura⁸, X. Meng⁹, N. J. Miller²⁵, H. Morii⁸, S. Moyerman⁴, M. J. Myers⁹, M. Navaroli⁴, H. Nishino¹⁷, H. Paar⁴, J. Peloton¹¹, E. Quealy^9,26, G. Rebeiz²⁷, C. L. Reichardt⁹, P. L. Richards⁹, C. Ross⁷, I. Schanning⁴, D. E. Schenck^3,15, B. Sherwin^9,28, A. Shimizu², C. Shimmin⁹, M. Shimon^4,29, P. Siritanasak⁴, G. Smecher³⁰, H. Spieler²², N. Stebor⁴, B. Steinbach⁹, R. Stompor¹¹, A. Suzuki⁹, S. Takakura^31,8, T. Tomaru⁸, B. Wilson⁴, A. Yadav⁴, and O. Zahn²² (POLARBEAR Collaboration)

• ¹School of Physics and Astronomy, Cardiff University, Cardiff CF10 3XQ, United Kingdom
• ²The Graduate University for Advanced Studies, Hayama, Miura District, Kanagawa 240-0115, Japan
• ³Center for Astrophysics and Space Astronomy, University of Colorado, Boulder, Colorado 80309, USA
• ⁴Department of Physics, University of California, San Diego, La Jolla, California 92093-0424, USA
• ⁵Computational Cosmology Center, Lawrence Berkeley National Laboratory, Berkeley, California 92093-0424, USA
• ⁶Space Sciences Laboratory, University of California, Berkeley, Berkeley, California 94720, USA
• ⁷Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
• ⁸High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
• ⁹Department of Physics, University of California, Berkeley, Berkeley, California 94720, USA
• ¹⁰Physics Department, McGill University, Montreal, Quebec H3A 0G4, Canada
• ¹¹AstroParticule et Cosmologie, Univ Paris Diderot, CNRS/IN2P3, CEA/Irfu, Obs de Paris, Sorbonne Paris Cité, France
• ¹²International School for Advanced Studies (SISSA), Trieste 34014, Italy
• ¹³Columbia University, New York, New York 10027, USA
• ¹⁴Rutherford Appleton Laboratory, STFC, Swindon SN2 1SZ, United Kingdom
• ¹⁵Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado 80309, USA
• ¹⁶Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
• ¹⁷Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, The University of Tokyo, Kashiwa, Chiba 277-8583, Japan
• ¹⁸Department of Physics, University of Oxford, Oxford OX1 2JD, United Kingdom
• ¹⁹Physics Department, Austin College, Sherman, Texas 75090, USA
• ²⁰Department of Physics, Imperial College London, London SW7 2AZ, United Kingdom
• ²¹Physics Department, Princeton University, Princeton, New Jersey 08544, USA
• ²²Physics Division, Lawrence Berkeley National Laboratory, Berkeley, California 92093-0424, USA
• ²³Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA
• ²⁴Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA
• ²⁵Observational Cosmology Laboratory, Code 665, NASA Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
• ²⁶Physics Department, Napa Valley College, Napa, California 94558, USA
• ²⁷Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, California 92093-0424, USA
• ²⁸Miller Institute for Basic Research in Science, University of California, Berkeley, Berkeley, California 94720, USA
• ²⁹School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel
• ³⁰Three-Speed Logic, Inc., Vancouver, British Columbia V6A 2J8, Canada
• ³¹Osaka University, Toyonaka, Osaka 560-0043, Japan

• ^*Corresponding author. cfeng@physics.ucsd.edu