POLARBEAR-2：用于 CMB 偏振测量的仪器
天体物理仪器与方法
2017-01-18 v1 宇宙学与河外天体物理
摘要
POLARBEAR-2（PB-2）是一个宇宙微波背景（CMB）偏振实验，将位于智利阿塔卡马高地，海拔 5200 m。其科学目标是测量来自原初引力波和弱引力透镜的 CMB 偏振信号。PB-2 旨在以 σ(r) < 0.01 的精度测量张量-标量比 r，并以 σ(Σmν) < 90 meV 的精度测量中微子质量之和 Σmν。为实现这些目标，PB-2 将在 95 GHz 和 150 GHz 频率上使用 7588 个过渡边传感器辐射计，在 250 mK 的基底温度下运行。科学观测将于 2017 年开始。
引用
@article{arxiv.1608.03025,
title = {POLARBEAR-2: an instrument for CMB polarization measurements},
author = {Y. Inoue and P. Ade and Y. Akiba and C. Aleman and K. Arnold and C. Baccigalupi and B. Barch and D. Barron and A. Bender and D. Boettger and J. Borrill and S. Chapman and Y. Chinone and A. Cukierman and T. de Haan and M. A. Dobbs and A. Ducout and R. Dunner and T. Elleflot and J. Errard and G. Fabbian and S. Feeney and C. Feng and G. Fuller and A. J. Gilbert and N. Goeckner-Wald and J. Groh and G. Hall and N. Halverson and T. Hamada and M. Hasegawa and K. Hattori and M. Hazumi and C. Hill and W. L. Holzapfel and Y. Hori and L. Howe and F. Irie and G. Jaehnig and A. Jaffe and O. Jeongh and N. Katayama and J. P. Kaufman and K. Kazemzadeh and B. G. Keating and Z. Kermish and R. Keskital and T. Kisner and A. Kusaka and M. Le Jeune and A. T. Lee and D. Leon and E. V. Linder and L. Lowry and F. Matsuda and T. Matsumura and N. Miller and K. Mizukami and J. Montgomery and M. Navaroli and H. Nishino and H. Paar and J. Peloton and D. Poletti and G. Puglisi and C. R. Raum and G. M. Rebeiz and C. L. Reichardt and P. L. Richards and C. Ross and K. M. Rotermund and Y. Segaw and B. D. Sherwin and I. Shirley and P. Siritanasak and N. Stebor and R. Stompor A. Suzuki and O. Tajima and S. Takada and S. Takatori and G. P. Teply and A. Tikhomirol and T. Tomaru and N. Whitehorn and A. Zahn and O. Zahn},
journal= {arXiv preprint arXiv:1608.03025},
year = {2017}
}
备注
9pages,8figures