作者
T Matsumura, Y Akiba, J Borrill, Y Chinone, M Dobbs, H Fuke, A Ghribi, M Hasegawa, K Hattori, M Hattori, M Hazumi, W Holzapfel, Y Inoue, K Ishidoshiro, H Ishino, H Ishitsuka, K Karatsu, N Katayama, I Kawano, A Kibayashi, Y Kibe, K Kimura, N Kimura, K Koga, M Kozu, E Komatsu, A Lee, H Matsuhara, S Mima, K Mitsuda, K Mizukami, H Morii, T Morishima, S Murayama, M Nagai, R Nagata, S Nakamura, M Naruse, K Natsume, T Nishibori, H Nishino, A Noda, T Noguchi, H Ogawa, S Oguri, I Ohta, C Otani, P Richards, S Sakai, N Sato, Y Sato, Y Sekimoto, A Shimizu, K Shinozaki, H Sugita, T Suzuki, A Suzuki, O Tajima, S Takada, S Takakura, Y Takei, T Tomaru, Y Uzawa, T Wada, H Watanabe, M Yoshida, N Yamasaki, T Yoshida, K Yotsumoto
发表日期
2014/9
期刊
Journal of Low Temperature Physics
卷号
176
页码范围
733-740
出版商
Springer US
简介
LiteBIRD is a next-generation satellite mission to measure the polarization of the cosmic microwave background (CMB) radiation. On large angular scales the B-mode polarization of the CMB carries the imprint of primordial gravitational waves, and its precise measurement would provide a powerful probe of the epoch of inflation. The goal of LiteBIRD is to achieve a measurement of the characterizing tensor to scalar ratio to an uncertainty of . In order to achieve this goal we will employ a kilo-pixel superconducting detector array on a cryogenically cooled sub-Kelvin focal plane with an optical system at a temperature of 4 K. We are currently considering two detector array options; transition edge sensor (TES) bolometers and microwave kinetic inductance detectors. In this paper we give an overview of LiteBIRD and describe a TES-based polarimeter designed to achieve the target sensitivity of 2 K …
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T Matsumura, Y Akiba, J Borrill, Y Chinone, M Dobbs… - Journal of Low Temperature Physics, 2014