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| 題名: | Mission design of LiteBIRD |
| 作者: | 井上優貴;Matsumura, T.;Akiba, Y.;Borrill, J.;Chinone, Y.;Dobbs, M.;Fuke, H.;Ghribi, A.;Hasegawa, M.;Hattori, K.;Hattori, M.;Hazumi, M.;Holzapfel, W.;Inoue, Y.;Ishidoshiro, K.;Ishino, H.;Ishitsuka, H.;Karatsu, K.;Katayama, N.;Kawano, I.;Kibayashi, A.;Kibe, Y.;Kimura, K.;Kimura, N.;Koga, K.;Kozu, M.;Komatsu, E.;Lee, A.;Matsuhara, H.;Mima, S.;Mitsuda, K.;Mizukami, K.;Morii, H.;Morishima, T.;Murayama, S.;Nagai, M.;Nagata, R.;Nakamura, S.;Naruse, M.;Natsume, K.;Nishibori, T.;Nishino, H.;Noda, A.;Noguchi, T.;Ogawa, H.;Oguri, S.;Ohta, I.;Otani, C.;Richards, P.;Sakai, S.;Sato, N.;Sato, Y.;Sekimoto, Y.;Shimizu, A.;Shinozaki, K.;Sugita, H.;Suzuki, T.;Suzuki, A.;Tajima, O.;Takada, S.;Takakura, S.;Takei, Y.;Tomaru, T.;Uzawa, Y.;Wada, T.;Watanabe, H.;Yoshida, M.;Yamasaki, N.;Yoshida, T.;Yotsumoto, K. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Astrophysics - Cosmology and Nongalactic Astrophysics;Astrophysics - Instrumentation and Methods for Astrophysics;Cosmology and Nongalactic Astrophysics (astro-ph.CO);FOS: Physical sciences;Instrumentation and Methods for Astrophysics (astro-ph.IM) |
| 日期: | 2014-01-01 |
| 上傳時間: | 2026-04-23 12:30:33 (UTC+8) |
| 出版者: | Springer New York;Springer Science and Business Media LLC |
| 摘要: | 摘要： 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 $r$ to an uncertainty of $ r=0.001$. In order to achieve this goal we will employ a kilo-pixel superconducting detector array on a cryogenically cooled sub-Kelvin focal plane with an optical system at a temperature of 4~K. We are currently considering two detector array options; transition edge sensor (TES) bolometers and microwave kinetic inductance detectors (MKID). In this paper we give an overview of LiteBIRD and describe a TES-based polarimeter designed to achieve the target sensitivity of 2~$ $K$\cdot$arcmin over the frequency range 50 to 320~GHz. 6 pages, 2 figures
出版者： Springer Science and Business Media LLC
出版日期： 2014-01-23
出處： Journal of Low Temperature Physics, 2014-01, Vol.176 (5), p.733-740
識別號： ISSN: 0022-2291
識別號： DOI: 10.1007/s10909-013-0996-1
識別號： DOI: 10.48550/arxiv.1311.2847 |
| 顯示於類別: | [物理學系] 期刊論文
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