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1. Exploring Cosmic Origins with CORE: Cosmological Parameters

Author

Di Valentino, Eleonora, Brinckmann, Thejs, Gerbino, Martina, Poulin, Vivian, Bouchet, François R., Lesgourgues, Julien, Melchiorri, Alessandro, Chluba, Jens, Clesse, Sebastien, Delabrouille, Jacques, Dvorkin, Cora, Forastieri, Francesco, Galli, Silvia, Hooper, Deanna C., Lattanzi, Massimiliano, Martins, Carlos J. A. P., Salvati, Laura, Cabass, Giovanni, Caputo, Andrea, Giusarma, Elena, Hivon, Eric, Natoli, Paolo, Pagano, Luca, Paradiso, Simone, Rubino-Martin, Jose Alberto, Achucarro, Ana, Ade, Peter, Allison, Rupert, Arroja, Frederico, Ashdown, Marc, Ballardini, Mario, Banday, A. J., Banerji, Ranajoy, Bartolo, Nicola, Bartlett, James G., Basak, Soumen, Baselmans, Jochem, Baumann, Daniel, de Bernardis, Paolo, Bersanelli, Marco, Bonaldi, Anna, Bonato, Matteo, Borrill, Julian, Boulanger, François, Bucher, Martin, Burigana, Carlo, Buzzelli, Alessandro, Cai, Zhen-Yi, Calvo, Martino, Carvalho, Carla Sofia, Castellano, Gabriella, Challinor, Anthony, Charles, Ivan, Colantoni, Ivan, Coppolecchia, Alessandro, Crook, Martin, D'Alessandro, Giuseppe, De Petris, Marco, De Zotti, Gianfranco, Diego, Josè Maria, Errard, Josquin, Feeney, Stephen, Fernandez-Cobos, Raul, Ferraro, Simone, Finelli, Fabio, de Gasperis, Giancarlo, Génova-Santos, Ricardo T., González-Nuevo, Joaquin, Grandis, Sebastian, Greenslade, Josh, Hagstotz, Steffen, Hanany, Shaul, Handley, Will, Hazra, Dhiraj K., Hernández-Monteagudo, Carlos, Hervias-Caimapo, Carlos, Hills, Matthew, Kiiveri, Kimmo, Kisner, Ted, Kitching, Thomas, Kunz, Martin, Kurki-Suonio, Hannu, Lamagna, Luca, Lasenby, Anthony, Lewis, Antony, Liguori, Michele, Lindholm, Valtteri, Lopez-Caniego, Marcos, Luzzi, Gemma, Maffei, Bruno, Martin, Sylvain, Martinez-Gonzalez, Enrique, Masi, Silvia, McCarthy, Darragh, Melin, Jean-Baptiste, Mohr, Joseph J., Molinari, Diego, Monfardini, Alessandro, Negrello, Mattia, Notari, Alessio, Paiella, Alessandro, Paoletti, Daniela, Patanchon, Guillaume, Piacentini, Francesco, Piat, Michael, Pisano, Giampaolo, Polastri, Linda, Polenta, Gianluca, Pollo, Agnieszka, Quartin, Miguel, Remazeilles, Mathieu, Roman, Matthieu, Ringeval, Christophe, Tartari, Andrea, Tomasi, Maurizio, Tramonte, Denis, Trappe, Neil, Trombetti, Tiziana, Tucker, Carole, Väliviita, Jussi, van de Weygaert, Rien, Van Tent, Bartjan, Vennin, Vincent, Vermeulen, Gérard, Vielva, Patricio, Vittorio, Nicola, Young, Karl, and Zannoni, Mario

Subjects
Astrophysics - Cosmology and Nongalactic Astrophysics, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology, High Energy Physics - Theory
Abstract

We forecast the main cosmological parameter constraints achievable with the CORE space mission which is dedicated to mapping the polarisation of the Cosmic Microwave Background (CMB). CORE was recently submitted in response to ESA's fifth call for medium-sized mission proposals (M5). Here we report the results from our pre-submission study of the impact of various instrumental options, in particular the telescope size and sensitivity level, and review the great, transformative potential of the mission as proposed. Specifically, we assess the impact on a broad range of fundamental parameters of our Universe as a function of the expected CMB characteristics, with other papers in the series focusing on controlling astrophysical and instrumental residual systematics. In this paper, we assume that only a few central CORE frequency channels are usable for our purpose, all others being devoted to the cleaning of astrophysical contaminants. On the theoretical side, we assume LCDM as our general framework and quantify the improvement provided by CORE over the current constraints from the Planck 2015 release. We also study the joint sensitivity of CORE and of future Baryon Acoustic Oscillation and Large Scale Structure experiments like DESI and Euclid. Specific constraints on the physics of inflation are presented in another paper of the series. In addition to the six parameters of the base LCDM, which describe the matter content of a spatially flat universe with adiabatic and scalar primordial fluctuations from inflation, we derive the precision achievable on parameters like those describing curvature, neutrino physics, extra light relics, primordial helium abundance, dark matter annihilation, recombination physics, variation of fundamental constants, dark energy, modified gravity, reionization and cosmic birefringence. (ABRIDGED), Comment: 90 pages, 25 Figures. Revised version with new authors list and references

Published
2016
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7. Overview of the medium and high frequency telescopes of the LiteBIRD space mission

Author

Lystrup, Makenzie, Montier, L, Mot, B, de Bernardis, P, Maffei, B, Pisano, G, Columbro, F, Gudmundsson, J, Henrot-Versillé, S, Lamagna, L, Montgomery, J, Prouvé, T, Russell, M, Savini, G, Stever, S, Thompson, K, Tsujimoto, M, Tucker, C, Westbrook, B, Ade, P, Adler, A, Allys, E, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Basak, S, Beall, J, Beck, D, Beckman, S, Bermejo, J, Bersanelli, M, Bonis, J, Borrill, J, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Campeti, P, Carones, A, Casas, F, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Cliche, J, Colombo, L, Cubas, J, Cukierman, A, Curtis, D, D'Alessandro, G, Dachlythra, N, De Petris, M, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Duband, L, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Finelli, F, Flauger, R, Franceschet, C, Fuskeland, U, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Gerbino, M, Gervasi, M, Ghigna, T, Gjerløw, E, Gradziel, M, Grain, J, Grupp, F, Gruppuso, A, de Haan, T, Halverson, N, Hargrave, P, Hasebe, T, Hasegawa, M, Hattori, M, Hazumi, M, Herman, D, Herranz, D, Hill, C, Hilton, G, Hirota, Y, Hivon, E, Hlozek, R, Hoshino, Y, de la Hoz, E, Hubmayr, J, Ichiki, K, Iida, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Kaga, T, Kashima, S, Katayama, N, Kato, A, Kawasaki, T, Keskitalo, R, Kisner, T, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kreykenbohm, I, Kuo, C, Kushino, A, Lanen, J, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Louis, T, Luzzi, G, Maciaszek, T, Maino, D, Maki, M, Mandelli, S, Martinez-Gonzalez, E, Masi, S, Matsumura, T, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Morgante, G, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Namikawa, T, Natoli, P, Nerval, S, Nishibori, T, Nishino, H, O'Sullivan, C, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Patanchon, G, Peloton, J, Piacentini, F, Polenta, G, Poletti, D, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Remazeilles, M, Ritacco, A, Roudil, G, Rubino-Martin, J, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Signorelli, G, Smecher, G, Stompor, R, Sugai, H, Sugiyama, S, Suzuki, A, Suzuki, J, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Taylor, E, Terao, Y, Thommesen, H, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Ullom, J, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wehus, I, Weller, J, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Zannoni, M, Zonca, A, Montier, Ludovic, Mot, Baptiste, de Bernardis, Paolo, Maffei, Bruno, Pisano, Giampaolo, Columbro, Fabio, Gudmundsson, Jon E., Henrot-Versillé, Sophie, Lamagna, Luca, Montgomery, Joshua, Prouvé, Thomas, Russell, Megan, Savini, Giorgio, Stever, Samantha, Thompson, Keith L., Tsujimoto, Masahiro, Tucker, Carole, Westbrook, Benjamin, Ade, Peter A., Adler, Alexandre, Allys, Erwan, Arnold, Kam, Auguste, Didier, Aumont, Jonathan, Aurlien, Ragnhild, Austermann, Jason, Baccigalupi, Carlo, Banday, Anthony J., Banerji, Ranajoy, Barreiro, Rita B., Basak, Soumen, Beall, Jim, Beck, Dominic, Beckman, Shawn, Bermejo, Juan, Bersanelli, Marco, Bonis, Julien, Borrill, Julian, Boulanger, Francois, Bounissou, Sophie, Brilenkov, Maksym, Brown, Michael, Bucher, Martin, Calabrese, Erminia, Campeti, Paolo, Carones, Alessandro, Casas, Francisco J., Challinor, Anthony, Chan, Victor, Cheung, Kolen, Chinone, Yuji, Cliche, Jean F., Colombo, Loris, Cubas, Javier, Cukierman, Ari, Curtis, David, D'Alessandro, Giuseppe, Dachlythra, Nadia, De Petris, Marco, Dickinson, Clive, Diego-Palazuelos, Patricia, Dobbs, Matt, Dotani, Tadayasu, Duband, Lionel, Duff, Shannon, Duval, Jean M., Ebisawa, Ken, Elleflot, Tucker, Eriksen, Hans K., Errard, Josquin, Essinger-Hileman, Thomas, Finelli, Fabio, Flauger, Raphael, Franceschet, Cristian, Fuskeland, Unni, Galloway, Mathew, Ganga, Ken, Gao, Jian R., Genova-Santos, Ricardo, Gerbino, Martina, Gervasi, Massimo, Ghigna, Tommaso, Gjerløw, Eirik, Gradziel, Marcin L., Grain, Julien, Grupp, Frank, Gruppuso, Alessandro, de Haan, Tijmen, Halverson, Nils W., Hargrave, Peter, Hasebe, Takashi, Hasegawa, Masaya, Hattori, Makoto, Hazumi, Masashi, Herman, Daniel, Herranz, Diego, Hill, Charles A., Hilton, Gene, Hirota, Yukimasa, Hivon, Eric, Hlozek, Renee A., Hoshino, Yurika, de la Hoz, Elena, Hubmayr, Johannes, Ichiki, Kiyotomo, Iida, Teruhito, Imada, Hiroaki, Ishimura, Kosei, Ishino, Hirokazu, Jaehnig, Greg, Kaga, Tooru, Kashima, Shingo, Katayama, Nobuhiko, Kato, Akihiro, Kawasaki, Takeo, Keskitalo, Reijo, Kisner, Theodore, Kobayashi, Yohei, Kogiso, Nozomu, Kogut, Alan, Kohri, Kazunori, Komatsu, Eiichiro, Komatsu, Kunimoto, Konishi, Kuniaki, Krachmalnicoff, Nicoletta, Kreykenbohm, Ingo, Kuo, Chao-Lin L., Kushino, Akihiro, Lanen, Jeff V., Lattanzi, Massimiliano, Lee, Adrian T., Leloup, Clément, Levrier, François, Linder, Eric, Louis, Thibaut, Luzzi, Gemma, Maciaszek, Thierry, Maino, Davide, Maki, Muneyoshi, Mandelli, Stefano, Martinez-Gonzalez, Enrique, Masi, Silvia, Matsumura, Tomotake, Mennella, Aniello, Migliaccio, Marina, Minami, Yuto, Mitsuda, Kazuhisa, Morgante, Gianluca, Murata, Yasuhiro, Murphy, John A., Nagai, Makoto, Nagano, Yuya, Nagasaki, Taketo, Nagata, Ryo, Nakamura, Shogo, Namikawa, Toshiya, Natoli, Paolo, Nerval, Simran, Nishibori, Toshiyuki, Nishino, Haruki, O'Sullivan, Créidhe, Ogawa, Hideo, Ogawa, Hiroyuki, Oguri, Shugo, Ohsaki, Hiroyuki, Ohta, Izumi S., Okada, Norio, Okada, Nozomi, Pagano, Luca, Paiella, Alessandro, Paoletti, Daniela, Patanchon, Guillaume, Peloton, Julien, Piacentini, Francesco, Polenta, Gianluca, Poletti, Davide, Puglisi, Giuseppe, Rambaud, Damien, Raum, Christopher, Realini, Sabrina, Reinecke, Martin, Remazeilles, Mathieu, Ritacco, Alessia, Roudil, Gilles, Rubino-Martin, Jose A., Sakurai, Haruyuki, Sakurai, Yuki, Sandri, Maura, Sasaki, Manami, Scott, Douglas, Seibert, Joseph, Sekimoto, Yutaro, Sherwin, Blake, Shinozaki, Keisuke, Shiraishi, Maresuke, Shirron, Peter, Signorelli, Giovanni, Smecher, Graeme, Stompor, Radek, Sugai, Hajime, Sugiyama, Shinya, Suzuki, Aritoki, Suzuki, Junichi, Svalheim, Trygve L., Switzer, Eric, Takaku, Ryota, Takakura, Hayato, Takakura, Satoru, Takase, Yusuke, Takeda, Youichi, Tartari, Andrea, Taylor, Ellen, Terao, Yutaka, Thommesen, Harald, Thorne, Ben, Toda, Takayuki, Tomasi, Maurizio, Tominaga, Mayu, Trappe, Neil, Tristram, Matthieu, Tsuji, Masatoshi, Ullom, Joe, Vermeulen, Gerard, Vielva, Patricio, Villa, Fabrizio, Vissers, Michael, Vittorio, Nicola, Wehus, Ingunn, Weller, Jochen, Wilms, Joern, Winter, Berend, Wollack, Edward J., Yamasaki, Noriko Y., Yoshida, Tetsuya, Yumoto, Junji, Zannoni, Mario, Zonca, Andrea, Lystrup, Makenzie, Montier, L, Mot, B, de Bernardis, P, Maffei, B, Pisano, G, Columbro, F, Gudmundsson, J, Henrot-Versillé, S, Lamagna, L, Montgomery, J, Prouvé, T, Russell, M, Savini, G, Stever, S, Thompson, K, Tsujimoto, M, Tucker, C, Westbrook, B, Ade, P, Adler, A, Allys, E, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Basak, S, Beall, J, Beck, D, Beckman, S, Bermejo, J, Bersanelli, M, Bonis, J, Borrill, J, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Campeti, P, Carones, A, Casas, F, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Cliche, J, Colombo, L, Cubas, J, Cukierman, A, Curtis, D, D'Alessandro, G, Dachlythra, N, De Petris, M, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Duband, L, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Finelli, F, Flauger, R, Franceschet, C, Fuskeland, U, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Gerbino, M, Gervasi, M, Ghigna, T, Gjerløw, E, Gradziel, M, Grain, J, Grupp, F, Gruppuso, A, de Haan, T, Halverson, N, Hargrave, P, Hasebe, T, Hasegawa, M, Hattori, M, Hazumi, M, Herman, D, Herranz, D, Hill, C, Hilton, G, Hirota, Y, Hivon, E, Hlozek, R, Hoshino, Y, de la Hoz, E, Hubmayr, J, Ichiki, K, Iida, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Kaga, T, Kashima, S, Katayama, N, Kato, A, Kawasaki, T, Keskitalo, R, Kisner, T, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kreykenbohm, I, Kuo, C, Kushino, A, Lanen, J, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Louis, T, Luzzi, G, Maciaszek, T, Maino, D, Maki, M, Mandelli, S, Martinez-Gonzalez, E, Masi, S, Matsumura, T, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Morgante, G, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Namikawa, T, Natoli, P, Nerval, S, Nishibori, T, Nishino, H, O'Sullivan, C, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Patanchon, G, Peloton, J, Piacentini, F, Polenta, G, Poletti, D, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Remazeilles, M, Ritacco, A, Roudil, G, Rubino-Martin, J, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Signorelli, G, Smecher, G, Stompor, R, Sugai, H, Sugiyama, S, Suzuki, A, Suzuki, J, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Taylor, E, Terao, Y, Thommesen, H, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Ullom, J, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wehus, I, Weller, J, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Zannoni, M, Zonca, A, Montier, Ludovic, Mot, Baptiste, de Bernardis, Paolo, Maffei, Bruno, Pisano, Giampaolo, Columbro, Fabio, Gudmundsson, Jon E., Henrot-Versillé, Sophie, Lamagna, Luca, Montgomery, Joshua, Prouvé, Thomas, Russell, Megan, Savini, Giorgio, Stever, Samantha, Thompson, Keith L., Tsujimoto, Masahiro, Tucker, Carole, Westbrook, Benjamin, Ade, Peter A., Adler, Alexandre, Allys, Erwan, Arnold, Kam, Auguste, Didier, Aumont, Jonathan, Aurlien, Ragnhild, Austermann, Jason, Baccigalupi, Carlo, Banday, Anthony J., Banerji, Ranajoy, Barreiro, Rita B., Basak, Soumen, Beall, Jim, Beck, Dominic, Beckman, Shawn, Bermejo, Juan, Bersanelli, Marco, Bonis, Julien, Borrill, Julian, Boulanger, Francois, Bounissou, Sophie, Brilenkov, Maksym, Brown, Michael, Bucher, Martin, Calabrese, Erminia, Campeti, Paolo, Carones, Alessandro, Casas, Francisco J., Challinor, Anthony, Chan, Victor, Cheung, Kolen, Chinone, Yuji, Cliche, Jean F., Colombo, Loris, Cubas, Javier, Cukierman, Ari, Curtis, David, D'Alessandro, Giuseppe, Dachlythra, Nadia, De Petris, Marco, Dickinson, Clive, Diego-Palazuelos, Patricia, Dobbs, Matt, Dotani, Tadayasu, Duband, Lionel, Duff, Shannon, Duval, Jean M., Ebisawa, Ken, Elleflot, Tucker, Eriksen, Hans K., Errard, Josquin, Essinger-Hileman, Thomas, Finelli, Fabio, Flauger, Raphael, Franceschet, Cristian, Fuskeland, Unni, Galloway, Mathew, Ganga, Ken, Gao, Jian R., Genova-Santos, Ricardo, Gerbino, Martina, Gervasi, Massimo, Ghigna, Tommaso, Gjerløw, Eirik, Gradziel, Marcin L., Grain, Julien, Grupp, Frank, Gruppuso, Alessandro, de Haan, Tijmen, Halverson, Nils W., Hargrave, Peter, Hasebe, Takashi, Hasegawa, Masaya, Hattori, Makoto, Hazumi, Masashi, Herman, Daniel, Herranz, Diego, Hill, Charles A., Hilton, Gene, Hirota, Yukimasa, Hivon, Eric, Hlozek, Renee A., Hoshino, Yurika, de la Hoz, Elena, Hubmayr, Johannes, Ichiki, Kiyotomo, Iida, Teruhito, Imada, Hiroaki, Ishimura, Kosei, Ishino, Hirokazu, Jaehnig, Greg, Kaga, Tooru, Kashima, Shingo, Katayama, Nobuhiko, Kato, Akihiro, Kawasaki, Takeo, Keskitalo, Reijo, Kisner, Theodore, Kobayashi, Yohei, Kogiso, Nozomu, Kogut, Alan, Kohri, Kazunori, Komatsu, Eiichiro, Komatsu, Kunimoto, Konishi, Kuniaki, Krachmalnicoff, Nicoletta, Kreykenbohm, Ingo, Kuo, Chao-Lin L., Kushino, Akihiro, Lanen, Jeff V., Lattanzi, Massimiliano, Lee, Adrian T., Leloup, Clément, Levrier, François, Linder, Eric, Louis, Thibaut, Luzzi, Gemma, Maciaszek, Thierry, Maino, Davide, Maki, Muneyoshi, Mandelli, Stefano, Martinez-Gonzalez, Enrique, Masi, Silvia, Matsumura, Tomotake, Mennella, Aniello, Migliaccio, Marina, Minami, Yuto, Mitsuda, Kazuhisa, Morgante, Gianluca, Murata, Yasuhiro, Murphy, John A., Nagai, Makoto, Nagano, Yuya, Nagasaki, Taketo, Nagata, Ryo, Nakamura, Shogo, Namikawa, Toshiya, Natoli, Paolo, Nerval, Simran, Nishibori, Toshiyuki, Nishino, Haruki, O'Sullivan, Créidhe, Ogawa, Hideo, Ogawa, Hiroyuki, Oguri, Shugo, Ohsaki, Hiroyuki, Ohta, Izumi S., Okada, Norio, Okada, Nozomi, Pagano, Luca, Paiella, Alessandro, Paoletti, Daniela, Patanchon, Guillaume, Peloton, Julien, Piacentini, Francesco, Polenta, Gianluca, Poletti, Davide, Puglisi, Giuseppe, Rambaud, Damien, Raum, Christopher, Realini, Sabrina, Reinecke, Martin, Remazeilles, Mathieu, Ritacco, Alessia, Roudil, Gilles, Rubino-Martin, Jose A., Sakurai, Haruyuki, Sakurai, Yuki, Sandri, Maura, Sasaki, Manami, Scott, Douglas, Seibert, Joseph, Sekimoto, Yutaro, Sherwin, Blake, Shinozaki, Keisuke, Shiraishi, Maresuke, Shirron, Peter, Signorelli, Giovanni, Smecher, Graeme, Stompor, Radek, Sugai, Hajime, Sugiyama, Shinya, Suzuki, Aritoki, Suzuki, Junichi, Svalheim, Trygve L., Switzer, Eric, Takaku, Ryota, Takakura, Hayato, Takakura, Satoru, Takase, Yusuke, Takeda, Youichi, Tartari, Andrea, Taylor, Ellen, Terao, Yutaka, Thommesen, Harald, Thorne, Ben, Toda, Takayuki, Tomasi, Maurizio, Tominaga, Mayu, Trappe, Neil, Tristram, Matthieu, Tsuji, Masatoshi, Ullom, Joe, Vermeulen, Gerard, Vielva, Patricio, Villa, Fabrizio, Vissers, Michael, Vittorio, Nicola, Wehus, Ingunn, Weller, Jochen, Wilms, Joern, Winter, Berend, Wollack, Edward J., Yamasaki, Noriko Y., Yoshida, Tetsuya, Yumoto, Junji, Zannoni, Mario, and Zonca, Andrea

Abstract

LiteBIRD is a JAXA-led Strategic Large-Class mission designed to search for the existence of the primordial gravitational waves produced during the inflationary phase of the Universe, through the measurements of their imprint onto the polarization of the cosmic microwave background (CMB). These measurements, requiring unprecedented sensitivity, will be performed over the full sky, at large angular scales, and over 15 frequency bands from 34 GHz to 448 GHz. The LiteBIRD instruments consist of three telescopes, namely the Low-, Medium-and High-Frequency Telescope (respectively LFT, MFT and HFT). We present in this paper an overview of the design of the Medium-Frequency Telescope (89{224 GHz) and the High-Frequency Telescope (166{448 GHz), the so-called MHFT, under European responsibility, which are two cryogenic refractive telescopes cooled down to 5 K. They include a continuous rotating half-wave plate as the first optical element, two high-density polyethylene (HDPE) lenses and more than three thousand transition-edge sensor (TES) detectors cooled to 100 mK. We provide an overview of the concept design and the remaining specific challenges that we have to face in order to achieve the scientific goals of LiteBIRD.

Published
2020

10. LiteBIRD satellite: JAXA's new strategic L-class mission for all-sky surveys of cosmic microwave background polarization

Author

Hazumi, Masashi, primary, Ade, Peter A., additional, Adler, Alexandre, additional, Allys, Erwan, additional, Arnold, Kam, additional, Auguste, Didier, additional, Aumont, Jonathan, additional, Aurlien, Ragnhild, additional, Austermann, Jason, additional, Baccigalupi, Carlo, additional, Banday, Anthony J., additional, Banjeri, R., additional, Barreiro, Rita B., additional, Basak, Soumen, additional, Beall, Jim, additional, Beck, Dominic, additional, Beckman, Shawn, additional, Bermejo, Juan, additional, de Bernardis, Paolo, additional, Bersanelli, Marco, additional, Bonis, Julien, additional, Borrill, Julian, additional, Boulanger, Francois, additional, Bounissou, Sophie, additional, Brilenkov, Maksym, additional, Brown, Michael, additional, Bucher, Martin, additional, Calabrese, Erminia, additional, Campeti, Paolo, additional, Carones, Alessandro, additional, Casas, Francisco J., additional, Challinor, Anthony, additional, Chan, Victor, additional, Cheung, Kolen, additional, Chinone, Yuji, additional, Cliche, Jean F., additional, Colombo, Loris, additional, Columbro, Fabio, additional, Cubas, Javier, additional, Cukierman, Ari, additional, Curtis, David, additional, D'Alessandro, Giuseppe, additional, Dachlythra, Nadia, additional, De Petris, Marco, additional, Dickinson, Clive, additional, Diego-Palazuelos, Patricia, additional, Dobbs, Matt, additional, Dotani, Tadayasu, additional, Duband, Lionel, additional, Duff, Shannon, additional, Duval, Jean M., additional, Ebisawa, Ken, additional, Elleflot, Tucker, additional, Eriksen, Hans K., additional, Errard, Josquin, additional, Essinger-Hileman, Thomas, additional, Finelli, Fabio, additional, Flauger, Raphael, additional, Franceschet, Cristian, additional, Fuskeland, Unni, additional, Galloway, Mathew, additional, Ganga, Ken, additional, Gao, Jian R., additional, Genova-Santos, Ricardo, additional, Gerbino, Martina, additional, Gervasi, Massimo, additional, Ghigna, Tommaso, additional, Gjerløw, Eirik, additional, Gradziel, Marcin L., additional, Grain, Julien, additional, Grupp, Frank, additional, Gruppuso, Alessandro, additional, Gudmundsson, Jon E., additional, de Haan, Tijmen, additional, Halverson, Nils W., additional, Hargrave, Peter, additional, Hasebe, Takashi, additional, Hasegawa, Masaya, additional, Hattori, Makoto, additional, Henrot-Versillé, Sophie, additional, Herman, Daniel, additional, Herranz, Diego, additional, Hill, Charles A., additional, Hilton, Gene, additional, Hirota, Yukimasa, additional, Hivon, Eric, additional, Hlozek, Renee A., additional, Hoshino, Yurika, additional, de la Hoz, Elena, additional, Hubmayr, Johannes, additional, Ichiki, Kiyotomo, additional, Iida, Teruhito, additional, Imada, Hiroaki, additional, Ishimura, Kosei, additional, Ishino, Hirokazu, additional, Jaehnig, Greg, additional, Kaga, Tooru, additional, Kashima, Shingo, additional, Katayama, Nobuhiko, additional, Kato, Akihiro, additional, Kawasaki, Takeo, additional, Keskitalo, Reijo, additional, Kisner, Theodore, additional, Kobayashi, Yohei, additional, Kogiso, Nozomu, additional, Kogut, Alan, additional, Kohri, Kazunori, additional, Komatsu, Eiichiro, additional, Komatsu, Kunimoto, additional, Konishi, Kuniaki, additional, Krachmalnicoff, Nicoletta, additional, Kreykenbohm, Ingo, additional, Kuo, Chao-Lin L., additional, Kushino, Akihiro, additional, Lamagna, Luca, additional, Lanen, Jeff V., additional, Lattanzi, Massimiliano, additional, Lee, Adrian T., additional, Leloup, Clément, additional, Levrier, François, additional, Linder, Eric, additional, Louis, Thibaut, additional, Luzzi, Gemma, additional, Maciaszek, Thierry, additional, Maffei, Bruno, additional, Maino, Davide, additional, Maki, Muneyoshi, additional, Mandelli, Stefano, additional, Martinez-Gonzalez, Enrique, additional, Masi, Silvia, additional, Matsumura, Tomotake, additional, Mennella, Aniello, additional, Migliaccio, Marina, additional, Minami, Yuto, additional, Mitsuda, Kazuhisa, additional, Montgomery, Joshua, additional, Montier, Ludovic, additional, Morgante, Gianluca, additional, Mot, Baptiste, additional, Murata, Yasuhiro, additional, Murphy, John A., additional, Nagai, Makoto, additional, Nagano, Yuya, additional, Nagasaki, Taketo, additional, Nagata, Ryo, additional, Nakamura, Shogo, additional, Namikawa, Toshiya, additional, Natoli, Paolo, additional, Nerval, Simran, additional, Nishibori, Toshiyuki, additional, Nishino, Haruki, additional, Noviello, Fabio, additional, O'Sullivan, Créidhe, additional, Ogawa, Hideo, additional, Ogawa, Hiroyuki, additional, Oguri, Shugo, additional, Ohsaki, Hiroyuki, additional, Ohta, Izumi S., additional, Okada, Norio, additional, Okada, Nozomi, additional, Pagano, Luca, additional, Paiella, Alessandro, additional, Paoletti, Daniela, additional, Patanchon, Guillaume, additional, Peloton, Julien, additional, Piacentini, Francesco, additional, Pisano, Giampaolo, additional, Polenta, Gianluca, additional, Poletti, Davide, additional, Prouvé, Thomas, additional, Puglisi, Giuseppe, additional, Rambaud, Damien, additional, Raum, Christopher, additional, Realini, Sabrina, additional, Reinecke, Martin, additional, Remazeilles, Mathieu, additional, Ritacco, Alessia, additional, Roudil, Gilles, additional, Rubino-Martin, Jose A., additional, Russell, Megan, additional, Sakurai, Haruyuki, additional, Sakurai, Yuki, additional, Sandri, Maura, additional, Sasaki, Manami, additional, Savini, Giorgio, additional, Scott, Douglas, additional, Seibert, Joseph, additional, Sekimoto, Yutaro, additional, Sherwin, Blake, additional, Shinozaki, Keisuke, additional, Shiraishi, Maresuke, additional, Shirron, Peter, additional, Signorelli, Giovanni, additional, Smecher, Graeme, additional, Stever, Samantha, additional, Stompor, Radek, additional, Sugai, Hajime, additional, Sugiyama, Shinya, additional, Suzuki, Aritoki, additional, Suzuki, Junichi, additional, Svalheim, Trygve L., additional, Switzer, Eric, additional, Takaku, Ryota, additional, Takakura, Hayato, additional, Takakura, Satoru, additional, Takase, Yusuke, additional, Takeda, Youichi, additional, Tartari, Andrea, additional, Taylor, Ellen, additional, Terao, Yutaka, additional, Thommesen, Harald, additional, Thompson, Keith L., additional, Thorne, Ben, additional, Toda, Takayuki, additional, Tomasi, Maurizio, additional, Tominaga, Mayu, additional, Trappe, Neil, additional, Tristram, Matthieu, additional, Tsuji, Masatoshi, additional, Tsujimoto, Masahiro, additional, Tucker, Carole, additional, Ullom, Joe, additional, Vermeulen, Gerard, additional, Vielva, Patricio, additional, Villa, Fabrizio, additional, Vissers, Michael, additional, Vittorio, Nicola, additional, Wehus, Ingunn, additional, Weller, Jochen, additional, Westbrook, Benjamin, additional, Wilms, Joern, additional, Winter, Berend, additional, Wollack, Edward J., additional, Yamasaki, Noriko Y., additional, Yoshida, Tetsuya, additional, Yumoto, Junji, additional, Zannoni, Mario, additional, and Zonca, Andrea, additional

Published
2020
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11. Concept design of low frequency telescope for CMB B-mode polarization satellite LiteBIRD

Author

Sekimoto, Yutaro, primary, Ade, Peter, additional, Adler, Alexandre, additional, Allys, Erwan, additional, Arnold, Kam, additional, Auguste, Didier, additional, Aumont, Jonathan, additional, Aurlien, Ragnhild, additional, Austermann, Jason, additional, Baccigalupi, Carlo, additional, Banday, Anthony, additional, Banerji, Ranajoy, additional, Barreiro, Rita, additional, Basak, Soumen, additional, Beall, Jim, additional, Beck, Dominic, additional, Beckman, Shawn, additional, Bermejo, Juan, additional, de Bernardis, Paolo, additional, Bersanelli, Marco, additional, Bonis, Julien, additional, Borrill, Julian, additional, Boulanger, Francois, additional, Bounissou, Sophie, additional, Brilenkov, Maksym, additional, Brown, Michael, additional, Bucher, Martin, additional, Calabrese, Erminia, additional, Campeti, Paolo, additional, Carones, Alessandro, additional, Casas, Francisco, additional, Challinor, Anthony, additional, Chan, Victor, additional, Cheung, Kolen, additional, Chinone, Yuji, additional, Cliche, Jean, additional, Colombo, Loris, additional, Columbro, Fabio, additional, Cubas, Javier, additional, Cukierman, Ari, additional, Curtis, David, additional, D'Alessandro, Giuseppe, additional, Dachlythra, Nadia, additional, De Petris, Marco, additional, Dickinson, Clive, additional, Diego-Palazuelos, Patricia, additional, Dobbs, Matt, additional, Dotani, Tadayasu, additional, Duband, Lionel, additional, Duff, Shannon, additional, Duval, Jean, additional, Ebisawa, Ken, additional, Elleflot, Tucker, additional, Eriksen, Hans, additional, Errard, Josquin, additional, Essinger-Hileman, Thomas, additional, Finelli, Fabio, additional, Flauger, Raphael, additional, Franceschet, Cristian, additional, Fuskeland, Unni, additional, Galloway, Mathew, additional, Ganga, Ken, additional, Gao, Jian, additional, Genova-Santos, Ricardo, additional, Gerbino, Martina, additional, Gervasi, Massimo, additional, Ghigna, Tommaso, additional, Gjerløw, Eirik, additional, Gradziel, Marcin, additional, Grain, Julien, additional, Grupp, Frank, additional, Gruppuso, Alessandro, additional, Gudmundsson, Jon, additional, de Haan, Tijmen, additional, Halverson, Nils, additional, Hargrave, Peter, additional, Hasebe, Takashi, additional, Hasegawa, Masaya, additional, Hattori, Makoto, additional, Hazumi, Masashi, additional, Henrot-Versillé, Sophie, additional, Herman, Daniel, additional, Herranz, Diego, additional, Hill, Charles, additional, Hilton, Gene, additional, Hirota, Yukimasa, additional, hivon, Eric, additional, Hlozek, Renee, additional, Hoshino, Yurika, additional, de la Hoz, Elena, additional, Hubmayr, Johannes, additional, Ichiki, Kiyotomo, additional, iida, Teruhito, additional, Imada, Hiroaki, additional, Ishimura, Kosei, additional, Ishino, Hirokazu, additional, Jaehnig, Greg, additional, Kaga, Tooru, additional, Kashima, Shingo, additional, Katayama, Nobuhiko, additional, Kato, Akihiro, additional, Kawasaki, Takeo, additional, Keskitalo, Reijo, additional, Kisner, Theodore, additional, Kobayashi, Yohei, additional, Kogiso, Nozomu, additional, Kogut, Alan, additional, Kohri, Kazunori, additional, Komatsu, Eiichiro, additional, Komatsu, Kunimoto, additional, Konishi, Kuniaki, additional, Krachmalnicoff, Nicoletta, additional, Kreykenbohm, Ingo, additional, Kuo, Chao-Lin, additional, Kushino, Akihiro, additional, Lamagna, Luca, additional, Lanen, Jeff, additional, Lattanzi, Massimiliano, additional, Lee, Adrien, additional, Leloup, Clément, additional, Levrier, François, additional, Linder, Eric, additional, Louis, Thibaut, additional, Luzzi, Gemma, additional, Maciaszek, Thierry, additional, Maffei, Bruno, additional, Maino, Davide, additional, Maki, Muneyoshi, additional, Mandelli, Stefano, additional, Martinez-Gonzalez, Enrique, additional, Masi, Silvia, additional, Matsumura, Tomotake, additional, Mennella, Aniello, additional, Migliaccio, Marina, additional, Minanmi, Yuto, additional, Mitsuda, Kazuhisa, additional, Montgomery, Josua, additional, Montier, Ludovic, additional, Morgante, Gianluca, additional, Mot, Baptise, additional, Murata, Yasuhiro, additional, Murphy, John, additional, Nagai, Makoto, additional, Nagano, Yuya, additional, Nagasaki, Takeo, additional, Nagata, Ryo, additional, Nakamura, Shogo, additional, Namikawa, Toshiya, additional, Natoli, Paolo, additional, Nerval, Simran, additional, Nishibori, Toshiyuki, additional, Nishino, Haruki, additional, O'Sullivan, Créidhe, additional, Ogawa, Hideo, additional, Ogawa, Hiroyuki, additional, Oguri, Shogo, additional, Osaki, Hiroyuki, additional, Ohta, Izumi, additional, Okada, Norio, additional, Okada, Nozomi, additional, Pagano, Luca, additional, Paiella, Alessandro, additional, Paoletti, Daniela, additional, Patanchon, Guillaume, additional, Peloton, Julien, additional, Piacentini, Francesco, additional, Pisano, Giampaolo, additional, Polenta, Gianluca, additional, Poletti, Davide, additional, Prouvé, Thomas, additional, Puglisi, Giuseppe, additional, Tambaud, Damien, additional, Raum, Christopher, additional, Realini, Sabrina, additional, Reinecke, Martin, additional, Remazeilles, Mathieu, additional, Ritacco, Alessa, additional, Roudil, Gilles, additional, Rubino-Martin, Jose, additional, Russell, Megan, additional, Sakurai, Haruyuki, additional, Sakurai, Yuki, additional, Sandri, Maura, additional, Sasaki, Manami, additional, Savini, Giorgio, additional, Scott, Douglas, additional, Seibert, Joseph, additional, Sherwin, Blake, additional, Shinozaki, Keisuke, additional, Shiraishi, Maresuke, additional, Shirron, Peter, additional, Signorelli, Giovanni, additional, Smecher, Graeme, additional, Stever, Samantha, additional, Stompor, Radek, additional, Sugai, Hajime, additional, Sugiyama, Shinya, additional, Suzuki, aritoki, additional, Suzuki, Junichi, additional, Svalheim, Trygve, additional, Switzer, Eric, additional, Takaku, Ryota, additional, Takakura, hayato, additional, Takakura, satoru, additional, Takase, Yusuke, additional, Takeda, Youichi, additional, Tartari, Andrea, additional, Taylor, Ellen, additional, Terao, Yutaka, additional, Thommesen, Harald, additional, Thompson, Keith L., additional, Thorne, Ben, additional, Toda, Takayuki, additional, Tomasi, Maurizio, additional, Tominaga, Mayu, additional, Trappe, Neil, additional, Tristram, Matthieu, additional, Tsuji, Masatoshi, additional, Tsujimoto, Masahiro, additional, Tucker, Carole, additional, Ullom, Joe, additional, Vermeulen, Gerard, additional, Vielva, Patricio, additional, Villa, Fabrizio, additional, Vissers, Michael, additional, Vittorio, Nicola, additional, Wehus, Ingunn, additional, Weller, Jochen, additional, Westbrook, Benjamin, additional, Wilms, Joern, additional, Winter, Berend, additional, Wollack, Edward, additional, Yamasaki, Noriko Y., additional, Yoshida, Tetsuya, additional, Yumoto, Junji, additional, Zannoni, Mario, additional, and Zonca, Andrea, additional

Published
2020
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12. Overview of the medium and high frequency telescopes of the LiteBIRD space mission

Author

Montier, Ludovic, primary, Mot, Baptiste, additional, de Bernardis, Paolo, additional, Maffei, Bruno, additional, Pisano, Giampaolo, additional, Columbro, Fabio, additional, Gudmundsson, Jon E., additional, Henrot-Versillé, Sophie, additional, Lamagna, Luca, additional, Montgomery, Joshua, additional, Prouvé, Thomas, additional, Russell, Megan, additional, Savini, Giorgio, additional, Stever, Samantha, additional, Thompson, Keith L., additional, Tsujimoto, Masahiro, additional, Tucker, Carole, additional, Westbrook, Benjamin, additional, Ade, Peter A., additional, Adler, Alexandre, additional, Allys, Erwan, additional, Arnold, Kam, additional, Auguste, Didier, additional, Aumont, Jonathan, additional, Aurlien, Ragnhild, additional, Austermann, Jason, additional, Baccigalupi, Carlo, additional, Banday, Anthony J., additional, Banerji, Ranajoy, additional, Barreiro, Rita B., additional, Basak, Soumen, additional, Beall, Jim, additional, Beck, Dominic, additional, Beckman, Shawn, additional, Bermejo, Juan, additional, Bersanelli, Marco, additional, Bonis, Julien, additional, Borrill, Julian, additional, Boulanger, Francois, additional, Bounissou, Sophie, additional, Brilenkov, Maksym, additional, Brown, Michael, additional, Bucher, Martin, additional, Calabrese, Erminia, additional, Campeti, Paolo, additional, Carones, Alessandro, additional, Casas, Francisco J., additional, Challinor, Anthony, additional, Chan, Victor, additional, Cheung, Kolen, additional, Chinone, Yuji, additional, Cliche, Jean F., additional, Colombo, Loris, additional, Cubas, Javier, additional, Cukierman, Ari, additional, Curtis, David, additional, D'Alessandro, Giuseppe, additional, Dachlythra, Nadia, additional, De Petris, Marco, additional, Dickinson, Clive, additional, Diego-Palazuelos, Patricia, additional, Dobbs, Matt, additional, Dotani, Tadayasu, additional, Duband, Lionel, additional, Duff, Shannon, additional, Duval, Jean M., additional, Ebisawa, Ken, additional, Elleflot, Tucker, additional, Eriksen, Hans K., additional, Errard, Josquin, additional, Essinger-Hileman, Thomas, additional, Finelli, Fabio, additional, Flauger, Raphael, additional, Franceschet, Cristian, additional, Fuskeland, Unni, additional, Galloway, Mathew, additional, Ganga, Ken, additional, Gao, Jian R., additional, Genova-Santos, Ricardo, additional, Gerbino, Martina, additional, Gervasi, Massimo, additional, Ghigna, Tommaso, additional, Gjerløw, Eirik, additional, Gradziel, Marcin L., additional, Grain, Julien, additional, Grupp, Frank, additional, Gruppuso, Alessandro, additional, de Haan, Tijmen, additional, Halverson, Nils W., additional, Hargrave, Peter, additional, Hasebe, Takashi, additional, Hasegawa, Masaya, additional, Hattori, Makoto, additional, Hazumi, Masashi, additional, Herman, Daniel, additional, Herranz, Diego, additional, Hill, Charles A., additional, Hilton, Gene, additional, Hirota, Yukimasa, additional, Hivon, Eric, additional, Hlozek, Renee A., additional, Hoshino, Yurika, additional, de la Hoz, Elena, additional, Hubmayr, Johannes, additional, Ichiki, Kiyotomo, additional, Iida, Teruhito, additional, Imada, Hiroaki, additional, Ishimura, Kosei, additional, Ishino, Hirokazu, additional, Jaehnig, Greg, additional, Kaga, Tooru, additional, Kashima, Shingo, additional, Katayama, Nobuhiko, additional, Kato, Akihiro, additional, Kawasaki, Takeo, additional, Keskitalo, Reijo, additional, Kisner, Theodore, additional, Kobayashi, Yohei, additional, Kogiso, Nozomu, additional, Kogut, Alan, additional, Kohri, Kazunori, additional, Komatsu, Eiichiro, additional, Komatsu, Kunimoto, additional, Konishi, Kuniaki, additional, Krachmalnicoff, Nicoletta, additional, Kreykenbohm, Ingo, additional, Kuo, Chao-Lin L., additional, Kushino, Akihiro, additional, Lanen, Jeff V., additional, Lattanzi, Massimiliano, additional, Lee, Adrian T., additional, Leloup, Clément, additional, Levrier, François, additional, Linder, Eric, additional, Louis, Thibaut, additional, Luzzi, Gemma, additional, Maciaszek, Thierry, additional, Maino, Davide, additional, Maki, Muneyoshi, additional, Mandelli, Stefano, additional, Martinez-Gonzalez, Enrique, additional, Masi, Silvia, additional, Matsumura, Tomotake, additional, Mennella, Aniello, additional, Migliaccio, Marina, additional, Minami, Yuto, additional, Mitsuda, Kazuhisa, additional, Morgante, Gianluca, additional, Murata, Yasuhiro, additional, Murphy, John A., additional, Nagai, Makoto, additional, Nagano, Yuya, additional, Nagasaki, Taketo, additional, Nagata, Ryo, additional, Nakamura, Shogo, additional, Namikawa, Toshiya, additional, Natoli, Paolo, additional, Nerval, Simran, additional, Nishibori, Toshiyuki, additional, Nishino, Haruki, additional, O'Sullivan, Créidhe, additional, Ogawa, Hideo, additional, Ogawa, Hiroyuki, additional, Oguri, Shugo, additional, Ohsaki, Hiroyuki, additional, Ohta, Izumi S., additional, Okada, Norio, additional, Okada, Nozomi, additional, Pagano, Luca, additional, Paiella, Alessandro, additional, Paoletti, Daniela, additional, Patanchon, Guillaume, additional, Peloton, Julien, additional, Piacentini, Francesco, additional, Polenta, Gianluca, additional, Poletti, Davide, additional, Puglisi, Giuseppe, additional, Rambaud, Damien, additional, Raum, Christopher, additional, Realini, Sabrina, additional, Reinecke, Martin, additional, Remazeilles, Mathieu, additional, Ritacco, Alessia, additional, Roudil, Gilles, additional, Rubino-Martin, Jose A., additional, Sakurai, Haruyuki, additional, Sakurai, Yuki, additional, Sandri, Maura, additional, Sasaki, Manami, additional, Scott, Douglas, additional, Seibert, Joseph, additional, Sekimoto, Yutaro, additional, Sherwin, Blake, additional, Shinozaki, Keisuke, additional, Shiraishi, Maresuke, additional, Shirron, Peter, additional, Signorelli, Giovanni, additional, Smecher, Graeme, additional, Stompor, Radek, additional, Sugai, Hajime, additional, Sugiyama, Shinya, additional, Suzuki, Aritoki, additional, Suzuki, Junichi, additional, Svalheim, Trygve L., additional, Switzer, Eric, additional, Takaku, Ryota, additional, Takakura, Hayato, additional, Takakura, Satoru, additional, Takase, Yusuke, additional, Takeda, Youichi, additional, Tartari, Andrea, additional, Taylor, Ellen, additional, Terao, Yutaka, additional, Thommesen, Harald, additional, Thorne, Ben, additional, Toda, Takayuki, additional, Tomasi, Maurizio, additional, Tominaga, Mayu, additional, Trappe, Neil, additional, Tristram, Matthieu, additional, Tsuji, Masatoshi, additional, Ullom, Joe, additional, Vermeulen, Gerard, additional, Vielva, Patricio, additional, Villa, Fabrizio, additional, Vissers, Michael, additional, Vittorio, Nicola, additional, Wehus, Ingunn, additional, Weller, Jochen, additional, Wilms, Joern, additional, Winter, Berend, additional, Wollack, Edward J., additional, Yamasaki, Noriko Y., additional, Yoshida, Tetsuya, additional, Yumoto, Junji, additional, Zannoni, Mario, additional, and Zonca, Andrea, additional

Published
2020
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19. Development of Helium-3 Compressors and Integration Test of Closed-Cycle Dilution Refrigerator System

Author

Shinozaki, Keisuke, Sawada, Kenichiro, Sato, Yoichi, Sugita, Hiroyuki, Mitsuda, Kazuhisa, Nakagawa, Takao, Tsunematsu, Shoji, Narasaki, Katsuhiro, Vermeulen, Gerard, Camus, Philippe, Triqueneaux, Sebastien, Martin, Sylvain, D'Escrivan, Stephane, 篠崎, 慶亮, 澤田, 健一郎, 佐藤, 洋一, 杉田, 寛之, 満田, 和久, 中川, 貴雄, 恒松, 正二, 楢崎, 勝弘, Shinozaki, Keisuke, Sawada, Kenichiro, Sato, Yoichi, Sugita, Hiroyuki, Mitsuda, Kazuhisa, Nakagawa, Takao, Tsunematsu, Shoji, Narasaki, Katsuhiro, Vermeulen, Gerard, Camus, Philippe, Triqueneaux, Sebastien, Martin, Sylvain, D'Escrivan, Stephane, 篠崎, 慶亮, 澤田, 健一郎, 佐藤, 洋一, 杉田, 寛之, 満田, 和久, 中川, 貴雄, 恒松, 正二, and 楢崎, 勝弘

Abstract

著者人数: 13名

Published
2017

21. Development of Helium-3 Compressors and Integration Test of Closed-Cycle Dilution Refrigerator System

Author

Vermeulen, Gerard, Camus, Philippe, Triqueneaux, Sebastien, Martin, Sylvain, D'Escrivan, Stephane, Shinozaki, Keisuke, Sawada, Kenichiro, Sato, Yoichi, Sugita, Hiroyuki, Mitsuda, Kazuhisa, Nakagawa, Takao, Tsunematsu, Shoji, and Narasaki, Katsuhiro

Subjects
Integration testing, Nuclear engineering, Compressor, Refrigerator car, Dilution, 01 natural sciences, Low Temperature, 010309 optics, Closed Cycle, Refrigerator, Helium-3, 0103 physical sciences, Environmental science, Dilution refrigerator, 010306 general physics, Gas compressor
Abstract

著者人数: 13名, 資料番号: SA1160301000

Published
2016

27. Development of the cold end of a gravity-insensitive closed cycle dilution refrigerator.

Author

Chaudhry, Gunaranjan, Volpe, Angela, Camus, Philippe, Triqueneaux, Sebastian, and Vermeulen, Gerard

Subjects
THERMODYNAMIC cycles, GRAVITY, REFRIGERATORS, PHYSICS experiments, MATHEMATICAL models, HEAT exchangers, TEMPERATURE effect
Abstract

This work presents the experimental results and analytical modelling of the cold end of a closed-cycle gravity-insensitive dilution refrigerator adapted from the open-cycle dilution refrigerator used for the Planck mission. The refrigerator is designed to provide 1 μW of cooling at a temperature of 50 mK. The cold end of the refrigerator comprises a counterflow heat exchanger (which pre-cools the 3He and 4He components down from a temperature of about 1 K to below 100 mK), a mixing chamber and a load heat exchanger at about 50 mK. We discuss the counterflow heat exchanger designs that were considered and present experimental results. The best configuration shows a cooling power of 1 μW at 45 mK. We develop analytical models for the heat exchangers and the mixing chamber and compare them with experimental data. [ABSTRACT FROM AUTHOR]

Published
2012
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29. A closed cycle 3He–4He dilution refrigerator insensitive to gravity

Author

Martin, Florian, Vermeulen, Gerard, Camus, Philippe, and Benoit, Alain

Subjects
*LOW temperature engineering, *SPACE astronomy, *GRAVITY, *REFRIGERATORS, *DILUTION, *HELIUM isotopes, *ARTIFICIAL satellites, *PROTOTYPES, *COOLING systems
Abstract

Abstract: The cooling power and the lifetime of an open cycle dilution refrigerator as developed for the Planck mission (100nW at 100mK during 30 months) are limited by the quantity of the helium isotopes carried on the satellite at launch, because the helium mixture obtained after the dilution process is rejected into space. Future space missions require to increase the cooling power and lifetime significantly (1μW at 50mK during 5 years). Therefore we are extending the open cycle dilution refrigerator with a helium isotope separator operating at 1K to close the cycle. A first prototype to demonstrate the principle of the closed cycle dilution refrigerator has been tested and a cooling power of 1μW at temperatures below 60mK has been obtained. We present the apparatus and the experimental results and give some elements for its integration in a complete cooling chain. The advantages (continuous operation, absence of magnetic field, less weight) of a closed cycle dilution refrigerator with respect to an adiabatic demagnetization refrigerator are also discussed. [ABSTRACT FROM AUTHOR]

Published
2010
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31. Phase equilibrium in a polarized saturated3He—4He mixture.

Author

Rodrigues, Alexandre and Vermeulen, Gerard

Abstract

We present experimental results on the phase equilibrium of a saturated3He−4He mixture, which has been cooled to a temperature of 10–15 mK and polarized in a4He circulating dilution refrigerator to a stationary polarization of 15%, 7 times higher than the equilibrium polarization in the external field of 7 T. The pressure dependence of the polarization enhancement in the refrigerator shows that the molar susceptibilities of the concentrated and dilute phase of a saturared3He-4He mixture are equal at p=2.60±0.04 bar. This result affects the Fermi liquid parameters of the dilute phase. The osmotic pressure in the dilute phase has been measured as a function of the polarization of the coexisting concentrated phase up to 15%. We find that the osmotic pressure at low polarization (<7%) agrees well with thermodynamics using the new Fermi liquid parameters of the dilute phase. [ABSTRACT FROM AUTHOR]

Published
1997
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32. Gonad histology and plasma steroid profiles in wild New Zealand freshwater eels (Anguilla dieffenbachiiand A. australis) before and at the onset of the natural spawning migration. I. Females*

Author

Lokman, P., Vermeulen, Gerard, Lambert, Jan, and Young, Graham

Abstract

To determine steroid profiles in immature and maturing female eels from the wild, non-migratory and migratory New Zealand longfinned (Anguilla dieffenbachii) and shortfinned (A. australis) eels were caught and blood and ovarian samples collected. Plasma steroid levels were determined and related to the developmental stage of the ovary. Ovaries of non-migrants contained oogonia and previtellogenic oocytes. Vitellogenic oocytes were never observed in these groups, but instead were very common among migrants (up to 88% of oocytes). Concentrations of both androgens (androstenedione (AD), testosterone (T)) and estradiol-17β (E2) were higher in migrants than in non-migrants. Among migrants, T levels were higher in shortfins (2.27 ± 0.14 ng ml−1) than in longfins (0.82 ± 0.10 ng ml−1), whereas E2 levels were higher in longfins (mean 2.46 ng ml−1) than in shortfins. Levels of sex steroids were generally low in non-migrants. In contrast, plasma levels of 17-hydroxyprogesterone were significantly higher in non-migrants than in migrants. Similarly, cortisol levels were higher in non-migrating than in migrating shortfinned, but not longfinned, females. 17,20β-Dihydroxy-4-pregnen-3-one, the putative maturation-inducing steroid in anguillids, was near minimum-detectable levels for all animals examined. Surprisingly, very high levels of 11-ketotestosterone (KT) were found in migrants, averaging nearly 3 ng ml−1 in longfins and over 20 ng ml−1 in shortfins. The identity of KT and several 5-reduced androgens was confirmed using gas chromatography - mass spectrometry. The function of KT in females is not known, but we suggest that this steroid hormone may play a role in preparing maturing animals for their spawning migration.

Published
1998
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33. Heat conduction in spin-polarized gaseous3He at low temperature

Author

Larat, Christian, Leduc, Michèle, Nacher, Pierre-Jean, Tastevin, Geneviève, and Vermeulen, Gerard

Abstract

A dilute gas of3He exhibits an interesting dependence of its transport properties on the nuclear spin polarization, resulting from the indistinguishability of the fermions during binary collisions. This article reports experimental results on the heat conductivity of gaseous3He in the 1.2–4.2 K range, the gas being polarized by laser optical pumping. The heat conductivity is found to change with the nuclear polarization. Compared to preliminary data already reported, the present work has been carried out with more care to control all the heat fluxes reaching the measurement cell, and the temperature range has been extended. The results are compared to recently improved calculations. The temperature dependence of the effect is now found to be in satisfactory agreement with theory.

Published
1990
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34. Polarized liquid3He in a4He circulating dilution refrigerator

Author

Rodrigues, Alexandre and Vermeulen, Gerard

Abstract

We have used a4He circulating dilution refrigerator to produce cold liquid3He with a steady state out-of-equilibrium nuclear spin polarization. Polarizations on the order of 15% (more than 7 times higher than the equilibrium polarization in the external field of 6.6 T) have been obtained in the mixing chamber of the refrigerator at temperatures between 10 and 15 mK. The polarization is enhanced at high pressure because the molar susceptibility of concentrated3He is larger than that of the dilute phase. The polarization exchange between the dilute and concentrated phases (in direct contact in the heat exchanger of the refrigerator) amplifies the enhancement. The polarization diminishes below a pressure of 2.6 bar. This allows us to scale and reinterpret susceptibility data of the dilute phase1 in combination with the effective mass deduced from osmotic pressure measurements2. We find 1+F0a = 0.89±1% on the phase separation line in the pressure range 0–20 bar.

Published
1995
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35. Overview of the medium and high frequency telescopes of the LiteBIRD space mission

Author

Montier, Ludovic, Mot, Baptiste, de Bernardis, Paolo, Maffei, Bruno, Pisano, Giampaolo, Columbro, Fabio, Gudmundsson, Jon E., Henrot-Versillé, Sophie, Lamagna, Luca, Montgomery, Joshua, Prouvé, Thomas, Russell, Megan, Savini, Giorgio, Stever, Samantha, Thompson, Keith L., Tsujimoto, Masahiro, Tucker, Carole, Westbrook, Benjamin, Ade, Peter A., Adler, Alexandre, Allys, Erwan, Arnold, Kam, Auguste, Didier, Aumont, Jonathan, Aurlien, Ragnhild, Austermann, Jason, Baccigalupi, Carlo, Banday, Anthony J., Banerji, Ranajoy, Barreiro, Rita B., Basak, Soumen, Beall, Jim, Beck, Dominic, Beckman, Shawn, Bermejo, Juan, Bersanelli, Marco, Bonis, Julien, Borrill, Julian, Boulanger, Francois, Bounissou, Sophie, Brilenkov, Maksym, Brown, Michael, Bucher, Martin, Calabrese, Erminia, Campeti, Paolo, Carones, Alessandro, Casas, Francisco J., Challinor, Anthony, Chan, Victor, Cheung, Kolen, Chinone, Yuji, Cliche, Jean F., Colombo, Loris, Cubas, Javier, Cukierman, Ari, Curtis, David, D'Alessandro, Giuseppe, Dachlythra, Nadia, De Petris, Marco, Dickinson, Clive, Diego-Palazuelos, Patricia, Dobbs, Matt, Dotani, Tadayasu, Duband, Lionel, Duff, Shannon, Duval, Jean M., Ebisawa, Ken, Elleflot, Tucker, Eriksen, Hans K., Errard, Josquin, Essinger-Hileman, Thomas, Finelli, Fabio, Flauger, Raphael, Franceschet, Cristian, Fuskeland, Unni, Galloway, Mathew, Ganga, Ken, Gao, Jian R., Genova-Santos, Ricardo, Gerbino, Martina, Gervasi, Massimo, Ghigna, Tommaso, Gjerløw, Eirik, Gradziel, Marcin L., Grain, Julien, Grupp, Frank, Gruppuso, Alessandro, de Haan, Tijmen, Halverson, Nils W., Hargrave, Peter, Hasebe, Takashi, Hasegawa, Masaya, Hattori, Makoto, Hazumi, Masashi, Herman, Daniel, Herranz, Diego, Hill, Charles A., Hilton, Gene, Hirota, Yukimasa, Hivon, Eric, Hlozek, Renee A., Hoshino, Yurika, de la Hoz, Elena, Hubmayr, Johannes, Ichiki, Kiyotomo, Iida, Teruhito, Imada, Hiroaki, Ishimura, Kosei, Ishino, Hirokazu, Jaehnig, Greg, Kaga, Tooru, Kashima, Shingo, Katayama, Nobuhiko, Kato, Akihiro, Kawasaki, Takeo, Keskitalo, Reijo, Kisner, Theodore, Kobayashi, Yohei, Kogiso, Nozomu, Kogut, Alan, Kohri, Kazunori, Komatsu, Eiichiro, Komatsu, Kunimoto, Konishi, Kuniaki, Krachmalnicoff, Nicoletta, Kreykenbohm, Ingo, Kuo, Chao-Lin L., Kushino, Akihiro, Lanen, Jeff V., Lattanzi, Massimiliano, Lee, Adrian T., Leloup, Clément, Levrier, François, Linder, Eric, Louis, Thibaut, Luzzi, Gemma, Maciaszek, Thierry, Maino, Davide, Maki, Muneyoshi, Mandelli, Stefano, Martinez-Gonzalez, Enrique, Masi, Silvia, Matsumura, Tomotake, Mennella, Aniello, Migliaccio, Marina, Minami, Yuto, Mitsuda, Kazuhisa, Morgante, Gianluca, Murata, Yasuhiro, Murphy, John A., Nagai, Makoto, Nagano, Yuya, Nagasaki, Taketo, Nagata, Ryo, Nakamura, Shogo, Namikawa, Toshiya, Natoli, Paolo, Nerval, Simran, Nishibori, Toshiyuki, Nishino, Haruki, O'Sullivan, Créidhe, Ogawa, Hideo, Ogawa, Hiroyuki, Oguri, Shugo, Ohsaki, Hiroyuki, Ohta, Izumi S., Okada, Norio, Okada, Nozomi, Pagano, Luca, Paiella, Alessandro, Paoletti, Daniela, Patanchon, Guillaume, Peloton, Julien, Piacentini, Francesco, Polenta, Gianluca, Poletti, Davide, Puglisi, Giuseppe, Rambaud, Damien, Raum, Christopher, Realini, Sabrina, Reinecke, Martin, Remazeilles, Mathieu, Ritacco, Alessia, Roudil, Gilles, Rubino-Martin, Jose A., Sakurai, Haruyuki, Sakurai, Yuki, Sandri, Maura, Sasaki, Manami, Scott, Douglas, Seibert, Joseph, Sekimoto, Yutaro, Sherwin, Blake, Shinozaki, Keisuke, Shiraishi, Maresuke, Shirron, Peter, Signorelli, Giovanni, Smecher, Graeme, Stompor, Radek, Sugai, Hajime, Sugiyama, Shinya, Suzuki, Aritoki, Suzuki, Junichi, Svalheim, Trygve L., Switzer, Eric, Takaku, Ryota, Takakura, Hayato, Takakura, Satoru, Takase, Yusuke, Takeda, Youichi, Tartari, Andrea, Taylor, Ellen, Terao, Yutaka, Thommesen, Harald, Thorne, Ben, Toda, Takayuki, Tomasi, Maurizio, Tominaga, Mayu, Trappe, Neil, Tristram, Matthieu, Tsuji, Masatoshi, Ullom, Joe, Vermeulen, Gerard, Vielva, Patricio, Villa, Fabrizio, Vissers, Michael, Vittorio, Nicola, Wehus, Ingunn, Weller, Jochen, Wilms, Joern, Winter, Berend, Wollack, Edward J., Yamasaki, Noriko Y., Yoshida, Tetsuya, Yumoto, Junji, Zannoni, Mario, Zonca, Andrea, Lystrup, Makenzie, Batalha, Natalie, Tong, Edward C., Siegler, Nicholas, Perrin, Marshall D., Montier, Ludovic, Mot, Baptiste, de Bernardis, Paolo, Maffei, Bruno, Pisano, Giampaolo, Columbro, Fabio, Gudmundsson, Jon E., Henrot-Versillé, Sophie, Lamagna, Luca, Montgomery, Joshua, Prouvé, Thomas, Russell, Megan, Savini, Giorgio, Stever, Samantha, Thompson, Keith L., Tsujimoto, Masahiro, Tucker, Carole, Westbrook, Benjamin, Ade, Peter A., Adler, Alexandre, Allys, Erwan, Arnold, Kam, Auguste, Didier, Aumont, Jonathan, Aurlien, Ragnhild, Austermann, Jason, Baccigalupi, Carlo, Banday, Anthony J., Banerji, Ranajoy, Barreiro, Rita B., Basak, Soumen, Beall, Jim, Beck, Dominic, Beckman, Shawn, Bermejo, Juan, Bersanelli, Marco, Bonis, Julien, Borrill, Julian, Boulanger, Francois, Bounissou, Sophie, Brilenkov, Maksym, Brown, Michael, Bucher, Martin, Calabrese, Erminia, Campeti, Paolo, Carones, Alessandro, Casas, Francisco J., Challinor, Anthony, Chan, Victor, Cheung, Kolen, Chinone, Yuji, Cliche, Jean F., Colombo, Loris, Cubas, Javier, Cukierman, Ari, Curtis, David, D'Alessandro, Giuseppe, Dachlythra, Nadia, De Petris, Marco, Dickinson, Clive, Diego-Palazuelos, Patricia, Dobbs, Matt, Dotani, Tadayasu, Duband, Lionel, Duff, Shannon, Duval, Jean M., Ebisawa, Ken, Elleflot, Tucker, Eriksen, Hans K., Errard, Josquin, Essinger-Hileman, Thomas, Finelli, Fabio, Flauger, Raphael, Franceschet, Cristian, Fuskeland, Unni, Galloway, Mathew, Ganga, Ken, Gao, Jian R., Genova-Santos, Ricardo, Gerbino, Martina, Gervasi, Massimo, Ghigna, Tommaso, Gjerløw, Eirik, Gradziel, Marcin L., Grain, Julien, Grupp, Frank, Gruppuso, Alessandro, de Haan, Tijmen, Halverson, Nils W., Hargrave, Peter, Hasebe, Takashi, Hasegawa, Masaya, Hattori, Makoto, Hazumi, Masashi, Herman, Daniel, Herranz, Diego, Hill, Charles A., Hilton, Gene, Hirota, Yukimasa, Hivon, Eric, Hlozek, Renee A., Hoshino, Yurika, de la Hoz, Elena, Hubmayr, Johannes, Ichiki, Kiyotomo, Iida, Teruhito, Imada, Hiroaki, Ishimura, Kosei, Ishino, Hirokazu, Jaehnig, Greg, Kaga, Tooru, Kashima, Shingo, Katayama, Nobuhiko, Kato, Akihiro, Kawasaki, Takeo, Keskitalo, Reijo, Kisner, Theodore, Kobayashi, Yohei, Kogiso, Nozomu, Kogut, Alan, Kohri, Kazunori, Komatsu, Eiichiro, Komatsu, Kunimoto, Konishi, Kuniaki, Krachmalnicoff, Nicoletta, Kreykenbohm, Ingo, Kuo, Chao-Lin L., Kushino, Akihiro, Lanen, Jeff V., Lattanzi, Massimiliano, Lee, Adrian T., Leloup, Clément, Levrier, François, Linder, Eric, Louis, Thibaut, Luzzi, Gemma, Maciaszek, Thierry, Maino, Davide, Maki, Muneyoshi, Mandelli, Stefano, Martinez-Gonzalez, Enrique, Masi, Silvia, Matsumura, Tomotake, Mennella, Aniello, Migliaccio, Marina, Minami, Yuto, Mitsuda, Kazuhisa, Morgante, Gianluca, Murata, Yasuhiro, Murphy, John A., Nagai, Makoto, Nagano, Yuya, Nagasaki, Taketo, Nagata, Ryo, Nakamura, Shogo, Namikawa, Toshiya, Natoli, Paolo, Nerval, Simran, Nishibori, Toshiyuki, Nishino, Haruki, O'Sullivan, Créidhe, Ogawa, Hideo, Ogawa, Hiroyuki, Oguri, Shugo, Ohsaki, Hiroyuki, Ohta, Izumi S., Okada, Norio, Okada, Nozomi, Pagano, Luca, Paiella, Alessandro, Paoletti, Daniela, Patanchon, Guillaume, Peloton, Julien, Piacentini, Francesco, Polenta, Gianluca, Poletti, Davide, Puglisi, Giuseppe, Rambaud, Damien, Raum, Christopher, Realini, Sabrina, Reinecke, Martin, Remazeilles, Mathieu, Ritacco, Alessia, Roudil, Gilles, Rubino-Martin, Jose A., Sakurai, Haruyuki, Sakurai, Yuki, Sandri, Maura, Sasaki, Manami, Scott, Douglas, Seibert, Joseph, Sekimoto, Yutaro, Sherwin, Blake, Shinozaki, Keisuke, Shiraishi, Maresuke, Shirron, Peter, Signorelli, Giovanni, Smecher, Graeme, Stompor, Radek, Sugai, Hajime, Sugiyama, Shinya, Suzuki, Aritoki, Suzuki, Junichi, Svalheim, Trygve L., Switzer, Eric, Takaku, Ryota, Takakura, Hayato, Takakura, Satoru, Takase, Yusuke, Takeda, Youichi, Tartari, Andrea, Taylor, Ellen, Terao, Yutaka, Thommesen, Harald, Thorne, Ben, Toda, Takayuki, Tomasi, Maurizio, Tominaga, Mayu, Trappe, Neil, Tristram, Matthieu, Tsuji, Masatoshi, Ullom, Joe, Vermeulen, Gerard, Vielva, Patricio, Villa, Fabrizio, Vissers, Michael, Vittorio, Nicola, Wehus, Ingunn, Weller, Jochen, Wilms, Joern, Winter, Berend, Wollack, Edward J., Yamasaki, Noriko Y., Yoshida, Tetsuya, Yumoto, Junji, Zannoni, Mario, Zonca, Andrea, Lystrup, Makenzie, Batalha, Natalie, Tong, Edward C., Siegler, Nicholas, and Perrin, Marshall D.

Abstract

LiteBIRD is a JAXA-led Strategic Large-Class mission designed to search for the existence of the primordial gravitational waves produced during the inflationary phase of the Universe, through the measurements of their imprint onto the polarization of the cosmic microwave background (CMB). These measurements, requiring unprecedented sensitivity, will be performed over the full sky, at large angular scales, and over 15 frequency bands from 34 GHz to 448 GHz. The LiteBIRD instruments consist of three telescopes, namely the Low-, Medium-and High-Frequency Telescope (respectively LFT, MFT and HFT). We present in this paper an overview of the design of the Medium-Frequency Telescope (89{224 GHz) and the High-Frequency Telescope (166{448 GHz), the so-called MHFT, under European responsibility, which are two cryogenic refractive telescopes cooled down to 5 K. They include a continuous rotating half-wave plate as the first optical element, two high-density polyethylene (HDPE) lenses and more than three thousand transition-edge sensor (TES) detectors cooled to 100 mK. We provide an overview of the concept design and the remaining specific challenges that we have to face in order to achieve the scientific goals of LiteBIRD.

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