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    Updated Design of the CMB Polarization Experiment Satellite LiteBIRD


    Sugai, H., Ade, P.A.R., Akiba, Y., Alonso, D., Arnold, K., Aumont, J., Austermann, J., Baccigalupi, C., Banday, A.J., Banerji, R., Barreiro, R.B., Basak, S., Beall, J., Beckman, S., Bersanelli, M., Borrill, J., Boulanger, F., Brown, M.L., Bucher, M., Buzzelli, A., Calabrese, E., Casas, F.J., Challinor, A., Chan, V., Chinone, Y., Cliche, J.-F., Columbro, F., Cukierman, A., Curtis, D., Danto, P., De Bernardis, P., de Haan, T., De Petris, M., Dickinson, C., Dobbs, M., Dotani, T., Duband, L., Ducout, A., Duff, S., Duivenvoorden, A., Duval, J.M., Ebisawa, K., Elleflot, T., Enokida, H., Eriksen, H.K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Ganga, K., Gao, J.R., Genova-Santos, R.T., Ghigna, T., Gomez, A., Gradziel, Marcin, Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J.E., Halverson, N., Hargrave, P.C., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versille, S., Herranz, D., Hill, C., Hilton, G., Hirota, Y., Hivon, E., Hlozek, F., Hoang, D.T., Hubmayr, J., Ichiki, K., Iida, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G., Jones, M., Kaga, T., Kashima, S., Kataoka, Y., Katayama, N., Kawasaki, T., Keskitalo, R., Kibayashi, A., Kikuchi, T., Kimura, K., Kisner, T.S., Kobayashi, Y., Kogiso, N., Kogut, A., Kohri, K., Komatsu, E., Komatsu, K., Konishi, K., Krachmalnicoff, N., Kuo, C.L., Kurinsky, N., Kushino, A., Kuwata-Gonokami, M., Lamagna, L., Lattanzi, M., Lee, A.T., Linder, E., Maffei, B., Maino, D., Maki, M., Magilli, A., Martinez-Gonzalez, E., Masi, S., Mathon, R., Matsumura, T., Mennella, A., Migliaccio, M., Minami, Y., Mistuda, K., Molinari, D., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J.Anthony, Nagai, M., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Nomura, Y., Noviello, F., O'Sullivan, Créidhe, Ochi, H., Ogawa, H., Ogawa, H., Ohsaki, H., Ohta, I., Okada, N., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Remazeilles, M., Roudil, G., Rubino-Martin, J.A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Savini, G., Scott, D., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Spizzi, P., Stever, S.L., Stompor, R., Sugiyama, S., Suzuki, A., Suzuki, J., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takeda, Y., Taylor, A., Taylor, E., Terao, Y., Thompson, K.L., Thorne, B., Tomasi, M., Tomida, H., Trappe, Neil, Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Uozumi, S., Utsunomiya, S., Van Lanen, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Voisin, F., Walker, I., Watanabe, N., Wehus, I., Weller, J., Westbrook, B., Winter, B., Wollack, E., Yamamoto, R., Yamasaki, N.Y., Yanagisawa, M., Yoshida, T., Yumoto, J., Zannoni, M. and Zonca, A. (2020) Updated Design of the CMB Polarization Experiment Satellite LiteBIRD. Journal of Low Temperature Physics, 199. pp. 1107-1117. ISSN 0022-2291

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    Abstract

    Recent developments of transition-edge sensors (TESs), based on extensive experience in ground-based experiments, have been making the sensor techniques mature enough for their application on future satellite cosmic microwave background (CMB) polarization experiments. LiteBIRD is in the most advanced phase among such future satellites, targeting its launch in Japanese Fiscal Year 2027 (2027FY) with JAXA’s H3 rocket. It will accommodate more than 4000 TESs in focal planes of reflective low-frequency and refractive medium-and-high-frequency telescopes in order to detect a signature imprinted on the CMB by the primordial gravitational waves predicted in cosmic inflation. The total wide frequency coverage between 34 and 448 GHz enables us to extract such weak spiral polarization patterns through the precise subtraction of our Galaxy’s foreground emission by using spectral differences among CMB and foreground signals. Telescopes are cooled down to 5 K for suppressing thermal noise and contain polarization modulators with transmissive half-wave plates at individual apertures for separating sky polarization signals from artificial polarization and for mitigating from instrumental 1/f noise. Passive cooling by using V-grooves supports active cooling with mechanical coolers as well as adiabatic demagnetization refrigerators. Sky observations from the second Sun–Earth Lagrangian point, L2, are planned for 3 years. An international collaboration between Japan, the USA, Canada, and Europe is sharing various roles. In May 2019, the Institute of Space and Astronautical Science, JAXA, selected LiteBIRD as the strategic large mission No. 2.
    Item Type: Article
    Additional Information: Cite as: Sugai, H., Ade, P.A.R., Akiba, Y. et al. Updated Design of the CMB Polarization Experiment Satellite LiteBIRD. J Low Temp Phys 199, 1107–1117 (2020). https://doi.org/10.1007/s10909-019-02329-w. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
    Keywords: Satellite; Cosmic microwave background; Polarization; Inflation; Primordial gravitational wave; LiteBIRD;
    Academic Unit: Faculty of Science and Engineering > Experimental Physics
    Item ID: 13930
    Identification Number: 10.1007/s10909-019-02329-w
    Depositing User: Dr. Neil Trappe
    Date Deposited: 02 Feb 2021 17:36
    Journal or Publication Title: Journal of Low Temperature Physics
    Publisher: Springer Verlag
    Refereed: Yes
    Related URLs:
    URI: https://mural.maynoothuniversity.ie/id/eprint/13930
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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