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Title: Updated Design of the CMB Polarization Experiment Satellite LiteBIRD

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,more » 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.« less

Authors:
ORCiD logo [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [6];  [9];  [10];  [11];  [7];  [12];  [13];  [14];  [15];  [16];  [17];  [18] more »;  [2];  [10];  [19];  [20];  [21];  [22];  [23];  [12];  [12];  [24];  [23];  [25];  [23];  [16];  [22];  [26];  [27];  [1];  [7];  [28];  [27];  [26];  [5];  [1];  [9];  [17];  [29];  [30];  [5];  [13];  [9];  [17];  [31];  [32];  [33];  [24];  [34];  [15];  [35];  [30];  [28];  [36];  [2];  [26];  [3];  [37];  [38];  [15];  [10];  [14];  [7];  [1];  [39];  [20];  [40];  [7];  [41];  [1];  [15];  [42];  [43];  [36];  [4];  [26];  [44];  [45];  [1];  [46];  [25];  [45];  [47];  [48];  [25];  [1];  [48];  [29];  [49];  [50];  [45];  [51];  [8];  [52];  [52];  [53];  [51];  [23];  [54];  [14];  [14];  [15];  [13];  [49];  [6];  [10];  [23];  [6];  [1];  [13];  [55];  [49];  [26];  [56];  [6];  [30];  [6];  [26];  [34];  [44];  [49];  [57];  [58];  [59];  [20];  [60];  [51];  [61];  [2];  [34];  [57];  [26];  [48];  [1];  [62];  [26];  [48];  [59];  [23];  [30];  [17];  [23];  [2];  [63];  [8];  [27];  [64];  [6];  [12];  [13];  [16];  [6];  [32];  [5];  [51];  [1];  [30];  [65];  [66];  [67];  [19];  [60];  [68];  [29];  [69];  [70];  [24];  [1];  [17];  [61];  [25];  [49];  [29];  [51];  [51];  [1];  [26];  [4];  [12];  [1];  [52];  [4];  [13];  [26];  [34];  [15];  [68];  [26];  [2];  [7];  [45];  [1];  [7];  [71];  [10];  [30];  [7];  [18];  [17];  [2];  [46];  [9];  [35];  [12];  [65];  [29];  [47];  [26];  [45];  [26];  [51];  [72];  [5] « less
  1. Univ. of Tokyo, Kashiwa (Japan)
  2. Cardiff Univ. (United Kingdom)
  3. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan); SOKENDAI, Hayama (Japan)
  4. Univ. of Oxford (United Kingdom)
  5. Univ. of California, San Diego, CA (United States)
  6. Univ. of Toulouse (France)
  7. National Inst. of Standards and Technology (NIST), Boulder, CO (United States)
  8. Inst. for Fundamental Physics of the Universe (IFPU), Grignano (Italy); National Inst. for Nuclear Physics (INFN), Trieste (Italy); International School for Advanced Studies (SISSA), Trieste (Italy)
  9. Univ. of Oslo (Norway)
  10. Univ. of Cantabria, Santander (Spain)
  11. Indian Inst. of Science Education and Research, Thiruvananthapuram (India); International School for Advanced Studies (SISSA), Trieste (Italy)
  12. Univ. of California, Berkeley, CA (United States)
  13. National Inst. for Nuclear Physics (INFN), Milan (Italy); Univ. of Milano (Italy)
  14. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
  15. Univ. Paris-Saclay, Orsay (France)
  16. Univ. of Manchester (United Kingdom)
  17. Univ. Paris Diderot (France)
  18. Univ. of Roma Tor Vergata, Rome (Italy)
  19. Kavli Inst. for Cosmology (KICC), Cambridge (United Kingdom); Univ. of Cambridge (United Kingdom)
  20. Univ. of Toronto (Canada)
  21. Univ. of Tokyo, Kashiwa (Japan); Univ. of California, Berkeley, CA (United States)
  22. McGill Univ., Montreal (Canada)
  23. National Inst. for Nuclear Physics (INFN), Rome (Italy); Sapienza Univ., Rome (Italy)
  24. Centre National D'Etudes Spatiales (CNES), Paris (France)
  25. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  26. Inst. of Space and Astronautical Science (ISAS), Sagamihara (Japan)
  27. Univ. Grenoble Alps (France)
  28. Stockholm Univ. (Sweden)
  29. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
  30. Italian National Inst. for Astrophysics (INAF), Bologna (Italy)
  31. Netherlands Inst. for Space Research (SRON), Utrecht (Netherlands)
  32. Inst. of Astrophysics of the Canary Islands (IAC), Santa Cruz de Tenerife (Spain); Univ. of La Laguna, Santa Cruz de Tenerife (Spain)
  33. Univ. of Tokyo, Kashiwa (Japan); Univ. of Oxford (United Kingdom)
  34. Univ. of Ireland, Maynooth (Ireland)
  35. Max Planck Inst. for Extraterrestrial Physics, Garching (Germany); Ludwig-Maximimilians Univ., Munich (Germany)
  36. Univ. of Colorado, Boulder, CO (United States)
  37. Tokyo Univ., Sendai (Japan)
  38. Inst. of Space and Astronautical Science (ISAS), Sagamihara (Japan); Univ. of Tokyo, Kashiwa (Japan); High Energy Accelerator Research Organization (KEK), Tsukuba (Japan); SOKENDAI, Hayama (Japan)
  39. Sorbonne Univ., Paris (France)
  40. Cornell Univ., Ithaca, NY (United States); Univ. of Science and Technology of Hanoi (USTH) (Vietnam)
  41. Nagoya Univ. (Japan)
  42. Waseda Univ., Tokyo (Japan)
  43. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan); Okayama Univ. (Japan)
  44. National Astronomical Observatory of Japan (NAOJ), Mitaka (Japan)
  45. Okayama Univ. (Japan)
  46. Kitasato Univ., Sagamihara (Japan)
  47. National Inst. of Advanced Industrial Science and Technology (AIST), Tsukuba (Japan)
  48. Osaka Prefecture Univ., Sakai (Japan)
  49. High Energy Accelerator Research Organization (KEK), Tsukuba (Japan)
  50. Max Planck Inst. for Astrophysics, Garching (Germany)
  51. Univ. of Tokyo (Japan)
  52. Kavli Inst. for Particle Astrophysics and Cosmology, Menlo Park, CA (United States); Stanford Univ., CA (United States)
  53. Kurume Univ. (Japan)
  54. National Inst. for Nuclear Physics (INFN), Ferrara (Italy)
  55. National Inst. for Nuclear Physics (INFN), Rome (Italy); Univ. of Roma Tor Vergata, Rome (Italy)
  56. Univ. of Ferrara (Italy)
  57. Yokohama National Univ. (Japan)
  58. Univ. of Cambridge (United Kingdom)
  59. National Inst. for Nuclear Physics (INFN), Ferrara (Italy); Univ. of Ferrara (Italy)
  60. Japan Aerospace Exploration Agency (JAXA), Tsukuba (Japan)
  61. Saitama Univ. (Japan)
  62. Konan Univ., Kobe (Japan)
  63. Italian Space Agency (ASI), Rome (Italy)
  64. Stanford Univ., CA (United States)
  65. Univ. College London (United Kingdom)
  66. Univ. of British Columbia, Vancouver (Canada)
  67. Inst. of Space and Astronautical Science (ISAS), Sagamihara (Japan); High Energy Accelerator Research Organization (KEK), Tsukuba (Japan); SOKENDAI, Hayama (Japan)
  68. Kagawa College, Takamatsu (Japan)
  69. National Inst. for Nuclear Physics (INFN), Pisca (Italy)
  70. Three-Speed Logic, Inc., Victoria (Canada)
  71. Isnt. Neel, Grenoble (France)
  72. National Inst. for Nuclear Physics (INFN), Milan (Italy); Univ. of Milano Bicocca (Italy)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); Japanese Society for the Promotion of Science; Italian Space Agency; National Institute for Nuclear Physics (INFN); National Aeronautics and Space Administration (NASA)
OSTI Identifier:
1603607
Grant/Contract Number:  
[AC02-05CH11231; JP15H05891; JP17H01115; JP17H01125; 80NSSC18K0132; 2016-24-H.1-2018]
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Low Temperature Physics
Additional Journal Information:
[Journal Name: Journal of Low Temperature Physics]; Journal ID: ISSN 0022-2291
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; satellite; cosmic microwave background; polarization; inflation; primordial gravitational wave

Citation Formats

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., Génova-Santos, R., Ghigna, T., Gomez, A., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versille, S., Herranz, D., Hill, C., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R., Hoang, D. -T., Hubmayr, J., Ichiki, K., Iida, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G. C., Jones, M., Kaga, T., Kashima, S., Kataoka, Y., Katayama, N., Kawasaki, T., Keskitalo, R., Kibayashi, A., Kikuchi, T., Kimura, K., Kisner, T., 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., Mangilli, A., Martínez-González, 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. A., Nagai, M., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Nomura, Y., Noviello, F., O’Sullivan, C., 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., Rubiño-Martín, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Savini, G., Scott, D., Sekimoto, Y., Sherwin, B. D., 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, N., 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. Updated Design of the CMB Polarization Experiment Satellite LiteBIRD. United States: N. p., 2020. Web. doi:10.1007/s10909-019-02329-w.
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., Génova-Santos, R., Ghigna, T., Gomez, A., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versille, S., Herranz, D., Hill, C., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R., Hoang, D. -T., Hubmayr, J., Ichiki, K., Iida, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G. C., Jones, M., Kaga, T., Kashima, S., Kataoka, Y., Katayama, N., Kawasaki, T., Keskitalo, R., Kibayashi, A., Kikuchi, T., Kimura, K., Kisner, T., 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., Mangilli, A., Martínez-González, 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. A., Nagai, M., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Nomura, Y., Noviello, F., O’Sullivan, C., 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., Rubiño-Martín, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Savini, G., Scott, D., Sekimoto, Y., Sherwin, B. D., 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, N., 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., & Zonca, A. Updated Design of the CMB Polarization Experiment Satellite LiteBIRD. United States. doi:10.1007/s10909-019-02329-w.
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., Génova-Santos, R., Ghigna, T., Gomez, A., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versille, S., Herranz, D., Hill, C., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R., Hoang, D. -T., Hubmayr, J., Ichiki, K., Iida, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G. C., Jones, M., Kaga, T., Kashima, S., Kataoka, Y., Katayama, N., Kawasaki, T., Keskitalo, R., Kibayashi, A., Kikuchi, T., Kimura, K., Kisner, T., 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., Mangilli, A., Martínez-González, 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. A., Nagai, M., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Nomura, Y., Noviello, F., O’Sullivan, C., 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., Rubiño-Martín, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Savini, G., Scott, D., Sekimoto, Y., Sherwin, B. D., 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, N., 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. Mon . "Updated Design of the CMB Polarization Experiment Satellite LiteBIRD". United States. doi:10.1007/s10909-019-02329-w. https://www.osti.gov/servlets/purl/1603607.
@article{osti_1603607,
title = {Updated Design of the CMB Polarization Experiment Satellite LiteBIRD},
author = {Sugai, H. and Ade, P. A. R. and Akiba, Y. and Alonso, D. and Arnold, K. and Aumont, J. and Austermann, J. and Baccigalupi, C. and Banday, A. J. and Banerji, R. and Barreiro, R. B. and Basak, S. and Beall, J. and Beckman, S. and Bersanelli, M. and Borrill, J. and Boulanger, F. and Brown, M. L. and Bucher, M. and Buzzelli, A. and Calabrese, E. and Casas, F. J. and Challinor, A. and Chan, V. and Chinone, Y. and Cliche, J. -F. and Columbro, F. and Cukierman, A. and Curtis, D. and Danto, P. and de Bernardis, P. and de Haan, T. and De Petris, M. and Dickinson, C. and Dobbs, M. and Dotani, T. and Duband, L. and Ducout, A. and Duff, S. and Duivenvoorden, A. and Duval, J. -M. and Ebisawa, K. and Elleflot, T. and Enokida, H. and Eriksen, H. K. and Errard, J. and Essinger-Hileman, T. and Finelli, F. and Flauger, R. and Franceschet, C. and Fuskeland, U. and Ganga, K. and Gao, J. -R. and Génova-Santos, R. and Ghigna, T. and Gomez, A. and Gradziel, M. L. and Grain, J. and Grupp, F. and Gruppuso, A. and Gudmundsson, J. E. and Halverson, N. W. and Hargrave, P. and Hasebe, T. and Hasegawa, M. and Hattori, M. and Hazumi, M. and Henrot-Versille, S. and Herranz, D. and Hill, C. and Hilton, G. and Hirota, Y. and Hivon, E. and Hlozek, R. and Hoang, D. -T. and Hubmayr, J. and Ichiki, K. and Iida, T. and Imada, H. and Ishimura, K. and Ishino, H. and Jaehnig, G. C. and Jones, M. and Kaga, T. and Kashima, S. and Kataoka, Y. and Katayama, N. and Kawasaki, T. and Keskitalo, R. and Kibayashi, A. and Kikuchi, T. and Kimura, K. and Kisner, T. and Kobayashi, Y. and Kogiso, N. and Kogut, A. and Kohri, K. and Komatsu, E. and Komatsu, K. and Konishi, K. and Krachmalnicoff, N. and Kuo, C. L. and Kurinsky, N. and Kushino, A. and Kuwata-Gonokami, M. and Lamagna, L. and Lattanzi, M. and Lee, A. T. and Linder, E. and Maffei, B. and Maino, D. and Maki, M. and Mangilli, A. and Martínez-González, E. and Masi, S. and Mathon, R. and Matsumura, T. and Mennella, A. and Migliaccio, M. and Minami, Y. and Mistuda, K. and Molinari, D. and Montier, L. and Morgante, G. and Mot, B. and Murata, Y. and Murphy, J. A. and Nagai, M. and Nagata, R. and Nakamura, S. and Namikawa, T. and Natoli, P. and Nerval, S. and Nishibori, T. and Nishino, H. and Nomura, Y. and Noviello, F. and O’Sullivan, C. and Ochi, H. and Ogawa, H. and Ogawa, H. and Ohsaki, H. and Ohta, I. and Okada, N. and Okada, N. and Pagano, L. and Paiella, A. and Paoletti, D. and Patanchon, G. and Piacentini, F. and Pisano, G. and Polenta, G. and Poletti, D. and Prouvé, T. and Puglisi, G. and Rambaud, D. and Raum, C. and Realini, S. and Remazeilles, M. and Roudil, G. and Rubiño-Martín, J. A. and Russell, M. and Sakurai, H. and Sakurai, Y. and Sandri, M. and Savini, G. and Scott, D. and Sekimoto, Y. and Sherwin, B. D. and Shinozaki, K. and Shiraishi, M. and Shirron, P. and Signorelli, G. and Smecher, G. and Spizzi, P. and Stever, S. L. and Stompor, R. and Sugiyama, S. and Suzuki, A. and Suzuki, J. and Switzer, E. and Takaku, R. and Takakura, H. and Takakura, S. and Takeda, Y. and Taylor, A. and Taylor, E. and Terao, Y. and Thompson, K. L. and Thorne, B. and Tomasi, M. and Tomida, H. and Trappe, N. and Tristram, M. and Tsuji, M. and Tsujimoto, M. and Tucker, C. and Ullom, J. and Uozumi, S. and Utsunomiya, S. and Van Lanen, J. and Vermeulen, G. and Vielva, P. and Villa, F. and Vissers, M. and Vittorio, N. and Voisin, F. and Walker, I. and Watanabe, N. and Wehus, I. and Weller, J. and Westbrook, B. and Winter, B. and Wollack, E. and Yamamoto, R. and Yamasaki, N. Y. and Yanagisawa, M. and Yoshida, T. and Yumoto, J. and Zannoni, M. and Zonca, A.},
abstractNote = {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.},
doi = {10.1007/s10909-019-02329-w},
journal = {Journal of Low Temperature Physics},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {1}
}

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