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1. Sensitivity Modeling for LiteBIRD

Author: Hasebe, T, Ade, P, Adler, A, Allys, E, Alonso, D, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Azzoni, S, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Bartolo, N, Basak, S, Battistelli, E, Bautista, L, Beall, J, Beck, D, Beckman, S, Benabed, K, Bermejo-Ballesteros, J, Bersanelli, M, Bonis, J, Borrill, J, Bouchet, F, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Calvo, M, Campeti, P, Carones, A, Casas, F, Catalano, A, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Cliche, J, Columbro, F, Coulton, W, Cubas, J, Cukierman, A, Curtis, D, D'Alessandro, G, Dachlythra, K, de Bernardis, P, de Haan, T, dela Hoz, E, De Petris, M, Torre, S, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Douillet, D, Duband, L, Ducout, A, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Finelli, F, Flauger, R, Franceschet, C, Fuskeland, U, Galli, S, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gjerlow, E, Gradziel, M, Grain, J, Grandsire, L, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, Hamilton, J, Hargrave, P, Hasegawa, M, Hattori, M, Hazumi, M, Henrot-Versille, S, Hergt, L, Herman, D, Herranz, D, Hill, C, Hilton, G, Hivon, E, Hlozek, R, Hoang, T, Hornsby, A, Hoshino, Y, Hubmayr, J, Ichiki, K, Iida, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Jones, M, 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, Lamagna, L, Lanen, J, Laquaniello, G, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Louis, T, Luzzi, G, Macias-Perez, J, Maciaszek, T, Maffei, B, Maino, D, Maki, M, Mandelli, S, Maris, M, Martinez-Gonzalez, E, Masi, S, Massa, M, Matarrese, S, Matsuda, F, Matsumura, T, Mele, L, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Moggi, A, Monfardini, A, Montgomery, J, Montier, L, Morgante, G, Mot, B, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Nakano, R, Namikawa, T, Nati, F, Natoli, P, Nerval, S, Nishibori, T, Nishino, H, Noviello, F, O'Sullivan, C, Odagiri, K, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Passerini, A, Patanchon, G, Pelgrim, V, Peloton, J, Piacentini, F, Piat, M, Pisano, G, Polenta, G, Poletti, D, Prouve, T, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Remazeilles, M, Ritacco, A, Roudil, G, Rubino-Martin, J, Russell, M, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Savini, G, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Signorelli, G, Smecher, G, Spinella, F, Stever, S, Stompor, R, Sugiyama, S, Sullivan, R, Suzuki, A, Suzuki, J, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Tavagnacco, D, Taylor, A, Taylor, E, Terao, Y, Thermeau, J, Thommesen, H, Thompson, K, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Tsujimoto, M, Tucker, C, Ullom, J, Vacher, L, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wandelt, B, Wang, W, Watanuki, K, Wehus, I, Weller, J, Westbrook, B, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Zacchei, A, Zannoni, M, Zonca, A, Hasebe T., Ade P. A. R., Adler A., Allys E., Alonso D., Arnold K., Auguste D., Aumont J., Aurlien R., Austermann J., Azzoni S., Baccigalupi C., Banday A. J., Banerji R., Barreiro R. B., Bartolo N., Basak S., Battistelli E., Bautista L., Beall J., Beck D., Beckman S., Benabed K., Bermejo-Ballesteros J., Bersanelli M., Bonis J., Borrill J., Bouchet F., Boulanger F., Bounissou S., Brilenkov M., Brown M. L., Bucher M., Calabrese E., Calvo M., Campeti P., Carones A., Casas F. J., Catalano A., Challinor A., Chan V., Cheung K., Chinone Y., Cliche J., Columbro F., Coulton W., Cubas J., Cukierman A., Curtis D., D'Alessandro G., Dachlythra K., de Bernardis P., de Haan T., dela Hoz E., De Petris M., Torre S. D., Dickinson C., Diego-Palazuelos P., Dobbs M., Dotani T., Douillet D., Duband L., Ducout A., Duff S., Duval J. M., Ebisawa K., Elleflot T., Eriksen H. K., Errard J., Essinger-Hileman T., Finelli F., Flauger R., Franceschet C., Fuskeland U., Galli S., Galloway M., Ganga K., Gao J. R., Genova-Santos R. T., Gerbino M., Gervasi M., Ghigna T., Giardiello S., Gjerlow E., Gradziel M. L., Grain J., Grandsire L., Grupp F., Gruppuso A., Gudmundsson J. E., Halverson N. W., Hamilton J., Hargrave P., Hasegawa M., Hattori M., Hazumi M., Henrot-Versille S., Hergt L. T., Herman D., Herranz D., Hill C. A., Hilton G., Hivon E., Hlozek R. A., Hoang T. D., Hornsby A. L., Hoshino Y., Hubmayr J., Ichiki K., Iida T., Imada H., Ishimura K., Ishino H., Jaehnig G., Jones M., 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. L., Kushino A., Lamagna L., Lanen J. V., Laquaniello G., Lattanzi M., Lee A. T., Leloup C., Levrier F., Linder E., Louis T., Luzzi G., Macias-Perez J., Maciaszek T., Maffei B., Maino D., Maki M., Mandelli S., Maris M., Martinez-Gonzalez E., Masi S., Massa M., Matarrese S., Matsuda F. T., Matsumura T., Mele L., Mennella A., Migliaccio M., Minami Y., Mitsuda K., Moggi A., Monfardini A., Montgomery J., Montier L., Morgante G., Mot B., Murata Y., Murphy J. A., Nagai M., Nagano Y., Nagasaki T., Nagata R., Nakamura S., Nakano R., Namikawa T., Nati F., Natoli P., Nerval S., Nishibori T., Nishino H., Noviello F., O'Sullivan C., Odagiri K., Ogawa H., Oguri S., Ohsaki H., Ohta I. S., Okada N., Pagano L., Paiella A., Paoletti D., Passerini A., Patanchon G., Pelgrim V., Peloton J., Piacentini F., Piat M., Pisano G., Polenta G., Poletti D., Prouve T., Puglisi G., Rambaud D., Raum C., Realini S., Reinecke M., Remazeilles M., Ritacco A., Roudil G., Rubino-Martin J., Russell M., Sakurai H., Sakurai Y., Sandri M., Sasaki M., Savini G., Scott D., Seibert J., Sekimoto Y., Sherwin B., Shinozaki K., Shiraishi M., Shirron P., Signorelli G., Smecher G., Spinella F., Stever S., Stompor R., Sugiyama S., Sullivan R., Suzuki A., Suzuki J., Svalheim T. L., Switzer E., Takaku R., Takakura H., Takakura S., Takase Y., Takeda Y., Tartari A., Tavagnacco D., Taylor A., Taylor E., Terao Y., Thermeau J., Thommesen H., Thompson K. L., Thorne B., Toda T., Tomasi M., Tominaga M., Trappe N., Tristram M., Tsuji M., Tsujimoto M., Tucker C., Ullom J., Vacher L., Vermeulen G., Vielva P., Villa F., Vissers M., Vittorio N., Wandelt B., Wang W., Watanuki K., Wehus I. K., Weller J., Westbrook B., Wilms J., Winter B., Wollack E. J., Yamasaki N. Y., Yoshida T., Yumoto J., Zacchei A., Zannoni M., Zonca A., Hasebe, T, Ade, P, Adler, A, Allys, E, Alonso, D, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Azzoni, S, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Bartolo, N, Basak, S, Battistelli, E, Bautista, L, Beall, J, Beck, D, Beckman, S, Benabed, K, Bermejo-Ballesteros, J, Bersanelli, M, Bonis, J, Borrill, J, Bouchet, F, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Calvo, M, Campeti, P, Carones, A, Casas, F, Catalano, A, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Cliche, J, Columbro, F, Coulton, W, Cubas, J, Cukierman, A, Curtis, D, D'Alessandro, G, Dachlythra, K, de Bernardis, P, de Haan, T, dela Hoz, E, De Petris, M, Torre, S, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Douillet, D, Duband, L, Ducout, A, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Finelli, F, Flauger, R, Franceschet, C, Fuskeland, U, Galli, S, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gjerlow, E, Gradziel, M, Grain, J, Grandsire, L, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, Hamilton, J, Hargrave, P, Hasegawa, M, Hattori, M, Hazumi, M, Henrot-Versille, S, Hergt, L, Herman, D, Herranz, D, Hill, C, Hilton, G, Hivon, E, Hlozek, R, Hoang, T, Hornsby, A, Hoshino, Y, Hubmayr, J, Ichiki, K, Iida, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Jones, M, 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, Lamagna, L, Lanen, J, Laquaniello, G, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Louis, T, Luzzi, G, Macias-Perez, J, Maciaszek, T, Maffei, B, Maino, D, Maki, M, Mandelli, S, Maris, M, Martinez-Gonzalez, E, Masi, S, Massa, M, Matarrese, S, Matsuda, F, Matsumura, T, Mele, L, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Moggi, A, Monfardini, A, Montgomery, J, Montier, L, Morgante, G, Mot, B, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Nakano, R, Namikawa, T, Nati, F, Natoli, P, Nerval, S, Nishibori, T, Nishino, H, Noviello, F, O'Sullivan, C, Odagiri, K, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Passerini, A, Patanchon, G, Pelgrim, V, Peloton, J, Piacentini, F, Piat, M, Pisano, G, Polenta, G, Poletti, D, Prouve, T, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Remazeilles, M, Ritacco, A, Roudil, G, Rubino-Martin, J, Russell, M, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Savini, G, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Signorelli, G, Smecher, G, Spinella, F, Stever, S, Stompor, R, Sugiyama, S, Sullivan, R, Suzuki, A, Suzuki, J, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Tavagnacco, D, Taylor, A, Taylor, E, Terao, Y, Thermeau, J, Thommesen, H, Thompson, K, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Tsujimoto, M, Tucker, C, Ullom, J, Vacher, L, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wandelt, B, Wang, W, Watanuki, K, Wehus, I, Weller, J, Westbrook, B, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Zacchei, A, Zannoni, M, Zonca, A, Hasebe T., Ade P. A. R., Adler A., Allys E., Alonso D., Arnold K., Auguste D., Aumont J., Aurlien R., Austermann J., Azzoni S., Baccigalupi C., Banday A. J., Banerji R., Barreiro R. B., Bartolo N., Basak S., Battistelli E., Bautista L., Beall J., Beck D., Beckman S., Benabed K., Bermejo-Ballesteros J., Bersanelli M., Bonis J., Borrill J., Bouchet F., Boulanger F., Bounissou S., Brilenkov M., Brown M. L., Bucher M., Calabrese E., Calvo M., Campeti P., Carones A., Casas F. J., Catalano A., Challinor A., Chan V., Cheung K., Chinone Y., Cliche J., Columbro F., Coulton W., Cubas J., Cukierman A., Curtis D., D'Alessandro G., Dachlythra K., de Bernardis P., de Haan T., dela Hoz E., De Petris M., Torre S. D., Dickinson C., Diego-Palazuelos P., Dobbs M., Dotani T., Douillet D., Duband L., Ducout A., Duff S., Duval J. M., Ebisawa K., Elleflot T., Eriksen H. K., Errard J., Essinger-Hileman T., Finelli F., Flauger R., Franceschet C., Fuskeland U., Galli S., Galloway M., Ganga K., Gao J. R., Genova-Santos R. T., Gerbino M., Gervasi M., Ghigna T., Giardiello S., Gjerlow E., Gradziel M. L., Grain J., Grandsire L., Grupp F., Gruppuso A., Gudmundsson J. E., Halverson N. W., Hamilton J., Hargrave P., Hasegawa M., Hattori M., Hazumi M., Henrot-Versille S., Hergt L. T., Herman D., Herranz D., Hill C. A., Hilton G., Hivon E., Hlozek R. A., Hoang T. D., Hornsby A. L., Hoshino Y., Hubmayr J., Ichiki K., Iida T., Imada H., Ishimura K., Ishino H., Jaehnig G., Jones M., 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. L., Kushino A., Lamagna L., Lanen J. V., Laquaniello G., Lattanzi M., Lee A. T., Leloup C., Levrier F., Linder E., Louis T., Luzzi G., Macias-Perez J., Maciaszek T., Maffei B., Maino D., Maki M., Mandelli S., Maris M., Martinez-Gonzalez E., Masi S., Massa M., Matarrese S., Matsuda F. T., Matsumura T., Mele L., Mennella A., Migliaccio M., Minami Y., Mitsuda K., Moggi A., Monfardini A., Montgomery J., Montier L., Morgante G., Mot B., Murata Y., Murphy J. A., Nagai M., Nagano Y., Nagasaki T., Nagata R., Nakamura S., Nakano R., Namikawa T., Nati F., Natoli P., Nerval S., Nishibori T., Nishino H., Noviello F., O'Sullivan C., Odagiri K., Ogawa H., Oguri S., Ohsaki H., Ohta I. S., Okada N., Pagano L., Paiella A., Paoletti D., Passerini A., Patanchon G., Pelgrim V., Peloton J., Piacentini F., Piat M., Pisano G., Polenta G., Poletti D., Prouve T., Puglisi G., Rambaud D., Raum C., Realini S., Reinecke M., Remazeilles M., Ritacco A., Roudil G., Rubino-Martin J., Russell M., Sakurai H., Sakurai Y., Sandri M., Sasaki M., Savini G., Scott D., Seibert J., Sekimoto Y., Sherwin B., Shinozaki K., Shiraishi M., Shirron P., Signorelli G., Smecher G., Spinella F., Stever S., Stompor R., Sugiyama S., Sullivan R., Suzuki A., Suzuki J., Svalheim T. L., Switzer E., Takaku R., Takakura H., Takakura S., Takase Y., Takeda Y., Tartari A., Tavagnacco D., Taylor A., Taylor E., Terao Y., Thermeau J., Thommesen H., Thompson K. L., Thorne B., Toda T., Tomasi M., Tominaga M., Trappe N., Tristram M., Tsuji M., Tsujimoto M., Tucker C., Ullom J., Vacher L., Vermeulen G., Vielva P., Villa F., Vissers M., Vittorio N., Wandelt B., Wang W., Watanuki K., Wehus I. K., Weller J., Westbrook B., Wilms J., Winter B., Wollack E. J., Yamasaki N. Y., Yoshida T., Yumoto J., Zacchei A., Zannoni M., and Zonca A.
Abstract: LiteBIRD is a future satellite mission designed to observe the polarization of the cosmic microwave background radiation in order to probe the inflationary universe. LiteBIRD is set to observe the sky using three telescopes with transition-edge sensor bolometers. In this work we estimated the LiteBIRD instrumental sensitivity using its current design. We estimated the detector noise due to the optical loadings using physical optics and ray-tracing simulations. The noise terms associated with thermal carrier and readout noise were modeled in the detector noise calculation. We calculated the observational sensitivities over fifteen bands designed for the LiteBIRD telescopes using assumed observation time efficiency.
Published: 2023

2. Optical Characterization of OMT-Coupled TES Bolometers for LiteBIRD

Author: Hubmayr, J, Ade, P, Adler, A, Allys, E, Alonso, D, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Azzoni, S, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Bartolo, N, Basak, S, Battistelli, E, Bautista, L, Beall, J, Beck, D, Beckman, S, Benabed, K, Bermejo-Ballesteros, J, Bersanelli, M, Bonis, J, Borrill, J, Bouchet, F, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Calvo, M, Campeti, P, Carones, A, Casas, F, Catalano, A, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Chiocchetta, C, Clark, S, Clermont, L, Clesse, S, Cliche, J, Columbro, F, Connors, J, Coppolecchia, A, Coulton, W, Cubas, J, Cukierman, A, Curtis, D, Cuttaia, F, D’Alessandro, G, Dachlythra, K, de Bernardis, P, de Haan, T, de la Hoz, E, De Petris, M, Della Torre, S, Daz Garca, J, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Douillet, D, Doumayrou, E, Duband, L, Ducout, A, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Farrens, S, Finelli, F, Flauger, R, Fleury-Frenette, K, Franceschet, C, Fuskeland, U, Galli, L, Galli, S, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Georges, M, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gjerlw, E, Gonzles, R, Gradziel, M, Grain, J, Grandsire, L, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, Hamilton, J, Hargrave, P, Hasebe, T, Hasegawa, M, Hattori, M, Hazumi, M, Henrot-Versill, S, Hensley, B, Herman, D, Herranz, D, Hilton, G, Hivon, E, Hlozek, R, Hoang, D, Hornsby, A, Hoshino, Y, Ichiki, K, Iida, T, Ikemoto, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Jones, M, Kaga, T, Kashima, S, Katayama, N, Kato, A, Kawasaki, T, Keskitalo, R, Kintziger, C, Kisner, T, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kreykenbohm, I, Kuo, C, Kushino, A, Lamagna, L, Lanen, J, Laquaniello, G, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Link, M, Lonappan, A, Louis, T, Luzzi, G, Macias-Perez, J, Maciaszek, T, Maffei, B, Maino, D, Maki, M, Mandelli, S, Maris, M, Marquet, B, Martnez-Gonzlez, E, Martire, F, Masi, S, Massa, M, Masuzawa, M, Matarrese, S, Matsuda, F, Matsumura, T, Mele, L, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Moggi, A, Monelli, M, Monfardini, A, Montgomery, J, Montier, L, Morgante, G, Mot, B, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Nakano, R, Namikawa, T, Nati, F, Natoli, P, Nerval, S, Neto Godry Farias, N, Nishibori, T, Nishino, H, Noviello, F, O’Neil, G, O’Sullivan, C, Odagiri, K, Ochi, H, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Pascual Cisneros, G, Passerini, A, Patanchon, G, Pelgrim, V, Peloton, J, Pettorino, V, Piacentini, F, Piat, M, Piccirilli, G, Pinsard, F, Pisano, G, Plesseria, J, Polenta, G, Poletti, D, Prouv, T, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Reintsema, C, Remazeilles, M, Ritacco, A, Rosier, P, Roudil, G, Rubino-Martin, J, Russell, M, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Savini, G, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Shitvov, A, Signorelli, G, Smecher, G, Spinella, F, Starck, J, Stever, S, Stompor, R, Sudiwala, R, Sugiyama, S, Sullivan, R, Suzuki, A, Suzuki, J, Suzuki, T, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Tavagnacco, D, Taylor, A, Taylor, E, Terao, Y, Terenzi, L, Thermeau, J, Thommesen, H, Thompson, K, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Tsujimoto, M, Tucker, C, Ueki, R, Ullom, J, Umemori, K, Vacher, L, Van Lanen, J, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wandelt, B, Wang, W, Wehus, I, Weller, J, Westbrook, B, Weymann-Despres, G, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Watanuki, K, Zacchei, A, Zannoni, M, Zonca, A, Hubmayr, J., Ade, P. A. R., Adler, A., Allys, E., Alonso, D., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J. E., Azzoni, S., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., Bartolo, N., Basak, S., Battistelli, E., Bautista, L., Beall, J. A., Beck, D., Beckman, S., Benabed, K., Bermejo-Ballesteros, J., Bersanelli, M., Bonis, J., Borrill, J., Bouchet, F., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M. L., Bucher, M., Calabrese, E., Calvo, M., Campeti, P., Carones, A., Casas, F. J., Catalano, A., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Chiocchetta, C., Clark, S. E., Clermont, L., Clesse, S., Cliche, J., Columbro, F., Connors, J. A., Coppolecchia, A., Coulton, W., Cubas, J., Cukierman, A., Curtis, D., Cuttaia, F., D’Alessandro, G., Dachlythra, K., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Daz Garca, J. J., Dickinson, C., Diego-Palazuelos, P., Dobbs, M., Dotani, T., Douillet, D., Doumayrou, E., Duband, L., Ducout, A., Duff, S. M., Duval, J. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Farrens, S., Finelli, F., Flauger, R., Fleury-Frenette, K., Franceschet, C., Fuskeland, U., Galli, L., Galli, S., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R. T., Georges, M., Gerbino, M., Gervasi, M., Ghigna, T., Giardiello, S., Gjerlw, E., Gonzles, R. Gonzlez, Gradziel, M. L., Grain, J., Grandsire, L., Grupp, F., Gruppuso, A., Gudmundsson, J. E., Halverson, N. W., Hamilton, J., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versill, S., Hensley, B., Herman, D., Herranz, D., Hilton, G. C., Hivon, E., Hlozek, R. A., Hoang, D., Hornsby, A. L., Hoshino, Y., Ichiki, K., Iida, T., Ikemoto, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G., Jones, M., Kaga, T., Kashima, S., Katayama, N., Kato, A., Kawasaki, T., Keskitalo, R., Kintziger, C., Kisner, T., Kobayashi, Y., Kogiso, N., Kogut, A., Kohri, K., Komatsu, E., Komatsu, K., Konishi, K., Krachmalnicoff, N., Kreykenbohm, I., Kuo, C. L., Kushino, A., Lamagna, L., Lanen, J. V., Laquaniello, G., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Link, M. J., Lonappan, A. I., Louis, T., Luzzi, G., Macias-Perez, J., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Maris, M., Marquet, B., Martnez-Gonzlez, E., Martire, F. A., Masi, S., Massa, M., Masuzawa, M., Matarrese, S., Matsuda, F. T., Matsumura, T., Mele, L., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Moggi, A., Monelli, M., Monfardini, A., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Nakano, R., Namikawa, T., Nati, F., Natoli, P., Nerval, S., Neto Godry Farias, N., Nishibori, T., Nishino, H., Noviello, F., O’Neil, G. C., O’Sullivan, C., Odagiri, K., Ochi, H., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Pascual Cisneros, G., Passerini, A., Patanchon, G., Pelgrim, V., Peloton, J., Pettorino, V., Piacentini, F., Piat, M., Piccirilli, G., Pinsard, F., Pisano, G., Plesseria, J., Polenta, G., Poletti, D., Prouv, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Reintsema, C. D., Remazeilles, M., Ritacco, A., Rosier, P., Roudil, G., Rubino-Martin, J., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Shitvov, A., Signorelli, G., Smecher, G., Spinella, F., Starck, J., Stever, S., Stompor, R., Sudiwala, R., Sugiyama, S., Sullivan, R., Suzuki, A., Suzuki, J., Suzuki, T., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Tavagnacco, D., Taylor, A., Taylor, E., Terao, Y., Terenzi, L., Thermeau, J., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ueki, R., Ullom, J. N., Umemori, K., Vacher, L., Van Lanen, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M. R., Vittorio, N., Wandelt, B., Wang, W., Wehus, I. K., Weller, J., Westbrook, B., Weymann-Despres, G., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Watanuki, K., Zacchei, A., Zannoni, M., Zonca, A., Hubmayr, J, Ade, P, Adler, A, Allys, E, Alonso, D, Arnold, K, Auguste, D, Aumont, J, Aurlien, R, Austermann, J, Azzoni, S, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Bartolo, N, Basak, S, Battistelli, E, Bautista, L, Beall, J, Beck, D, Beckman, S, Benabed, K, Bermejo-Ballesteros, J, Bersanelli, M, Bonis, J, Borrill, J, Bouchet, F, Boulanger, F, Bounissou, S, Brilenkov, M, Brown, M, Bucher, M, Calabrese, E, Calvo, M, Campeti, P, Carones, A, Casas, F, Catalano, A, Challinor, A, Chan, V, Cheung, K, Chinone, Y, Chiocchetta, C, Clark, S, Clermont, L, Clesse, S, Cliche, J, Columbro, F, Connors, J, Coppolecchia, A, Coulton, W, Cubas, J, Cukierman, A, Curtis, D, Cuttaia, F, D’Alessandro, G, Dachlythra, K, de Bernardis, P, de Haan, T, de la Hoz, E, De Petris, M, Della Torre, S, Daz Garca, J, Dickinson, C, Diego-Palazuelos, P, Dobbs, M, Dotani, T, Douillet, D, Doumayrou, E, Duband, L, Ducout, A, Duff, S, Duval, J, Ebisawa, K, Elleflot, T, Eriksen, H, Errard, J, Essinger-Hileman, T, Farrens, S, Finelli, F, Flauger, R, Fleury-Frenette, K, Franceschet, C, Fuskeland, U, Galli, L, Galli, S, Galloway, M, Ganga, K, Gao, J, Genova-Santos, R, Georges, M, Gerbino, M, Gervasi, M, Ghigna, T, Giardiello, S, Gjerlw, E, Gonzles, R, Gradziel, M, Grain, J, Grandsire, L, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, Hamilton, J, Hargrave, P, Hasebe, T, Hasegawa, M, Hattori, M, Hazumi, M, Henrot-Versill, S, Hensley, B, Herman, D, Herranz, D, Hilton, G, Hivon, E, Hlozek, R, Hoang, D, Hornsby, A, Hoshino, Y, Ichiki, K, Iida, T, Ikemoto, T, Imada, H, Ishimura, K, Ishino, H, Jaehnig, G, Jones, M, Kaga, T, Kashima, S, Katayama, N, Kato, A, Kawasaki, T, Keskitalo, R, Kintziger, C, Kisner, T, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kreykenbohm, I, Kuo, C, Kushino, A, Lamagna, L, Lanen, J, Laquaniello, G, Lattanzi, M, Lee, A, Leloup, C, Levrier, F, Linder, E, Link, M, Lonappan, A, Louis, T, Luzzi, G, Macias-Perez, J, Maciaszek, T, Maffei, B, Maino, D, Maki, M, Mandelli, S, Maris, M, Marquet, B, Martnez-Gonzlez, E, Martire, F, Masi, S, Massa, M, Masuzawa, M, Matarrese, S, Matsuda, F, Matsumura, T, Mele, L, Mennella, A, Migliaccio, M, Minami, Y, Mitsuda, K, Moggi, A, Monelli, M, Monfardini, A, Montgomery, J, Montier, L, Morgante, G, Mot, B, Murata, Y, Murphy, J, Nagai, M, Nagano, Y, Nagasaki, T, Nagata, R, Nakamura, S, Nakano, R, Namikawa, T, Nati, F, Natoli, P, Nerval, S, Neto Godry Farias, N, Nishibori, T, Nishino, H, Noviello, F, O’Neil, G, O’Sullivan, C, Odagiri, K, Ochi, H, Ogawa, H, Oguri, S, Ohsaki, H, Ohta, I, Okada, N, Pagano, L, Paiella, A, Paoletti, D, Pascual Cisneros, G, Passerini, A, Patanchon, G, Pelgrim, V, Peloton, J, Pettorino, V, Piacentini, F, Piat, M, Piccirilli, G, Pinsard, F, Pisano, G, Plesseria, J, Polenta, G, Poletti, D, Prouv, T, Puglisi, G, Rambaud, D, Raum, C, Realini, S, Reinecke, M, Reintsema, C, Remazeilles, M, Ritacco, A, Rosier, P, Roudil, G, Rubino-Martin, J, Russell, M, Sakurai, H, Sakurai, Y, Sandri, M, Sasaki, M, Savini, G, Scott, D, Seibert, J, Sekimoto, Y, Sherwin, B, Shinozaki, K, Shiraishi, M, Shirron, P, Shitvov, A, Signorelli, G, Smecher, G, Spinella, F, Starck, J, Stever, S, Stompor, R, Sudiwala, R, Sugiyama, S, Sullivan, R, Suzuki, A, Suzuki, J, Suzuki, T, Svalheim, T, Switzer, E, Takaku, R, Takakura, H, Takakura, S, Takase, Y, Takeda, Y, Tartari, A, Tavagnacco, D, Taylor, A, Taylor, E, Terao, Y, Terenzi, L, Thermeau, J, Thommesen, H, Thompson, K, Thorne, B, Toda, T, Tomasi, M, Tominaga, M, Trappe, N, Tristram, M, Tsuji, M, Tsujimoto, M, Tucker, C, Ueki, R, Ullom, J, Umemori, K, Vacher, L, Van Lanen, J, Vermeulen, G, Vielva, P, Villa, F, Vissers, M, Vittorio, N, Wandelt, B, Wang, W, Wehus, I, Weller, J, Westbrook, B, Weymann-Despres, G, Wilms, J, Winter, B, Wollack, E, Yamasaki, N, Yoshida, T, Yumoto, J, Watanuki, K, Zacchei, A, Zannoni, M, Zonca, A, Hubmayr, J., Ade, P. A. R., Adler, A., Allys, E., Alonso, D., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J. E., Azzoni, S., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., Bartolo, N., Basak, S., Battistelli, E., Bautista, L., Beall, J. A., Beck, D., Beckman, S., Benabed, K., Bermejo-Ballesteros, J., Bersanelli, M., Bonis, J., Borrill, J., Bouchet, F., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M. L., Bucher, M., Calabrese, E., Calvo, M., Campeti, P., Carones, A., Casas, F. J., Catalano, A., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Chiocchetta, C., Clark, S. E., Clermont, L., Clesse, S., Cliche, J., Columbro, F., Connors, J. A., Coppolecchia, A., Coulton, W., Cubas, J., Cukierman, A., Curtis, D., Cuttaia, F., D’Alessandro, G., Dachlythra, K., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Daz Garca, J. J., Dickinson, C., Diego-Palazuelos, P., Dobbs, M., Dotani, T., Douillet, D., Doumayrou, E., Duband, L., Ducout, A., Duff, S. M., Duval, J. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Farrens, S., Finelli, F., Flauger, R., Fleury-Frenette, K., Franceschet, C., Fuskeland, U., Galli, L., Galli, S., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R. T., Georges, M., Gerbino, M., Gervasi, M., Ghigna, T., Giardiello, S., Gjerlw, E., Gonzles, R. Gonzlez, Gradziel, M. L., Grain, J., Grandsire, L., Grupp, F., Gruppuso, A., Gudmundsson, J. E., Halverson, N. W., Hamilton, J., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versill, S., Hensley, B., Herman, D., Herranz, D., Hilton, G. C., Hivon, E., Hlozek, R. A., Hoang, D., Hornsby, A. L., Hoshino, Y., Ichiki, K., Iida, T., Ikemoto, T., Imada, H., Ishimura, K., Ishino, H., Jaehnig, G., Jones, M., Kaga, T., Kashima, S., Katayama, N., Kato, A., Kawasaki, T., Keskitalo, R., Kintziger, C., Kisner, T., Kobayashi, Y., Kogiso, N., Kogut, A., Kohri, K., Komatsu, E., Komatsu, K., Konishi, K., Krachmalnicoff, N., Kreykenbohm, I., Kuo, C. L., Kushino, A., Lamagna, L., Lanen, J. V., Laquaniello, G., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Link, M. J., Lonappan, A. I., Louis, T., Luzzi, G., Macias-Perez, J., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Maris, M., Marquet, B., Martnez-Gonzlez, E., Martire, F. A., Masi, S., Massa, M., Masuzawa, M., Matarrese, S., Matsuda, F. T., Matsumura, T., Mele, L., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Moggi, A., Monelli, M., Monfardini, A., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Nakano, R., Namikawa, T., Nati, F., Natoli, P., Nerval, S., Neto Godry Farias, N., Nishibori, T., Nishino, H., Noviello, F., O’Neil, G. C., O’Sullivan, C., Odagiri, K., Ochi, H., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Pascual Cisneros, G., Passerini, A., Patanchon, G., Pelgrim, V., Peloton, J., Pettorino, V., Piacentini, F., Piat, M., Piccirilli, G., Pinsard, F., Pisano, G., Plesseria, J., Polenta, G., Poletti, D., Prouv, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Reintsema, C. D., Remazeilles, M., Ritacco, A., Rosier, P., Roudil, G., Rubino-Martin, J., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Shitvov, A., Signorelli, G., Smecher, G., Spinella, F., Starck, J., Stever, S., Stompor, R., Sudiwala, R., Sugiyama, S., Sullivan, R., Suzuki, A., Suzuki, J., Suzuki, T., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Tavagnacco, D., Taylor, A., Taylor, E., Terao, Y., Terenzi, L., Thermeau, J., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ueki, R., Ullom, J. N., Umemori, K., Vacher, L., Van Lanen, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M. R., Vittorio, N., Wandelt, B., Wang, W., Wehus, I. K., Weller, J., Westbrook, B., Weymann-Despres, G., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Watanuki, K., Zacchei, A., Zannoni, M., and Zonca, A.
Abstract: Feedhorn- and orthomode transducer- (OMT) coupled transition edge sensor (TES) bolometers have been designed and micro-fabricated to meet the optical specifications of the LiteBIRD high frequency telescope (HFT) focal plane. We discuss the design and optical characterization of two LiteBIRD HFT detector types: dual-polarization, dual-frequency-band pixels with 195/280 GHz and 235/337 GHz band centers. Results show well-matched passbands between orthogonal polarization channels and frequency centers within 3% of the design values. The optical efficiency of each frequency channel is conservatively reported to be within the range 0.64−0.72, determined from the response to a cryogenic, temperature-controlled thermal source. These values are in good agreement with expectations and either exceed or are within 10% of the values used in the LiteBIRD sensitivity forecast. Lastly, we report a measurement of loss in Nb/SiNx/Nb microstrip at 100 mK and over the frequency range 200–350 GHz, which is comparable to values previously reported in the literature
Published: 2022

3. Updated Design of the CMB Polarization Experiment Satellite LiteBIRD

Author: Sugai, H, Ade, P, Akiba, Y, Alonso, D, Arnold, K, Aumont, J, Austermann, J, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Basak, S, Beall, J, Beckman, S, Bersanelli, M, Borrill, J, Boulanger, F, Brown, M, Bucher, M, Buzzelli, A, Calabrese, E, Casas, F, Challinor, A, Chan, V, Chinone, Y, Cliche, J, 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, Ebisawa, K, Elleflot, T, Enokida, H, Eriksen, H, Errard, J, Essinger-Hileman, T, Finelli, F, Flauger, R, Franceschet, C, Fuskeland, U, Ganga, K, Gao, J, Génova-Santos, R, Ghigna, T, Gomez, A, Gradziel, M, Grain, J, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, 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, 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, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kuo, C, Kurinsky, N, Kushino, A, Kuwata-Gonokami, M, Lamagna, L, Lattanzi, M, Lee, A, 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, 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, Ohsaki, H, Ohta, I, 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, 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, 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, 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, Yanagisawa, M, Yoshida, T, Yumoto, J, Zannoni, M, Zonca, A, 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., Ohsaki, H., Ohta, I., 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., Sugai, H, Ade, P, Akiba, Y, Alonso, D, Arnold, K, Aumont, J, Austermann, J, Baccigalupi, C, Banday, A, Banerji, R, Barreiro, R, Basak, S, Beall, J, Beckman, S, Bersanelli, M, Borrill, J, Boulanger, F, Brown, M, Bucher, M, Buzzelli, A, Calabrese, E, Casas, F, Challinor, A, Chan, V, Chinone, Y, Cliche, J, 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, Ebisawa, K, Elleflot, T, Enokida, H, Eriksen, H, Errard, J, Essinger-Hileman, T, Finelli, F, Flauger, R, Franceschet, C, Fuskeland, U, Ganga, K, Gao, J, Génova-Santos, R, Ghigna, T, Gomez, A, Gradziel, M, Grain, J, Grupp, F, Gruppuso, A, Gudmundsson, J, Halverson, N, 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, 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, Kobayashi, Y, Kogiso, N, Kogut, A, Kohri, K, Komatsu, E, Komatsu, K, Konishi, K, Krachmalnicoff, N, Kuo, C, Kurinsky, N, Kushino, A, Kuwata-Gonokami, M, Lamagna, L, Lattanzi, M, Lee, A, 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, 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, Ohsaki, H, Ohta, I, 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, 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, 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, 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, Yanagisawa, M, Yoshida, T, Yumoto, J, Zannoni, M, Zonca, A, 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., Ohsaki, H., Ohta, I., 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.
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.
Published: 2020

4. 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

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

Author: Hazumi, M., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banjeri, R., Barreiro, R. B., Basak, S., Beall, J., Beck, D., Beckman, S., Bermejo, J., de Bernardis, P., Bersanelli, M., Bonis, J., Borrill, J., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M., Bucher, M., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., Colombo, L., Columbro, F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Henrot-Versillé, S., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lamagna, L., Lanen, J. V., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Louis, T., Luzzi, G., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Martinez-Gonzalez, E., Masi, S., Matsumura, T., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Noviello, F., O'Sullivan, C., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Peloton, J., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Remazeilles, M., Ritacco, A., Roudil, G., Rubino-Martin, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Stever, S., Stompor, R., Sugai, H., Sugiyama, S., Suzuki, A., Suzuki, J., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Taylor, E., Terao, Y., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Wehus, I., Weller, J., Westbrook, B., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., Zonca, A., Hazumi, M., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banjeri, R., Barreiro, R. B., Basak, S., Beall, J., Beck, D., Beckman, S., Bermejo, J., de Bernardis, P., Bersanelli, M., Bonis, J., Borrill, J., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M., Bucher, M., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., Colombo, L., Columbro, F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Henrot-Versillé, S., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lamagna, L., Lanen, J. V., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Louis, T., Luzzi, G., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Martinez-Gonzalez, E., Masi, S., Matsumura, T., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Noviello, F., O'Sullivan, C., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Peloton, J., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Remazeilles, M., Ritacco, A., Roudil, G., Rubino-Martin, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Stever, S., Stompor, R., Sugai, H., Sugiyama, S., Suzuki, A., Suzuki, J., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Taylor, E., Terao, Y., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Wehus, I., Weller, J., Westbrook, B., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., and Zonca, A.
Abstract: LiteBIRD, the Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission for primordial cosmology and fundamental physics. JAXA selected LiteBIRD in May 2019 as a strategic large-class (L-class) mission, with its expected launch in the late 2020s using JAXA's H3 rocket. LiteBIRD plans to map the cosmic microwave background (CMB) polarization over the full sky with unprecedented precision. Its main scientific objective is to carry out a definitive search for the signal from cosmic inflation, either making a discovery or ruling out well-motivated inflationary models. The measurements of LiteBIRD will also provide us with an insight into the quantum nature of gravity and other new physics beyond the standard models of particle physics and cosmology. To this end, LiteBIRD will perform full-sky surveys for three years at the Sun-Earth Lagrangian point L2 for 15 frequency bands between 34 and 448 GHz with three telescopes, to achieve a total sensitivity of 2.16 micro K-arcmin with a typical angular resolution of 0.5 deg. at 100GHz. We provide an overview of the LiteBIRD project, including scientific objectives, mission requirements, top-level system requirements, operation concept, and expected scientific outcomes., Comment: 20 pages, 9 figures
Published: 2021
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6. LiteBIRD: JAXA's new strategic L-class mission for all-sky surveys of cosmic microwave background polarization

Author: Hazumi, M., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banjeri, R., Barreiro, R. B., Basak, S., Beall, J., Beck, D., Beckman, S., Bermejo, J., de Bernardis, P., Bersanelli, M., Bonis, J., Borrill, J., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M., Bucher, M., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., Colombo, L., Columbro, F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Henrot-Versillé, S., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lamagna, L., Lanen, J. V., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Louis, T., Luzzi, G., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Martinez-Gonzalez, E., Masi, S., Matsumura, T., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Noviello, F., O'Sullivan, C., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Peloton, J., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Remazeilles, M., Ritacco, A., Roudil, G., Rubino-Martin, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Stever, S., Stompor, R., Sugai, H., Sugiyama, S., Suzuki, A., Suzuki, J., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Taylor, E., Terao, Y., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Wehus, I., Weller, J., Westbrook, B., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., Zonca, A., Hazumi, M., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banjeri, R., Barreiro, R. B., Basak, S., Beall, J., Beck, D., Beckman, S., Bermejo, J., de Bernardis, P., Bersanelli, M., Bonis, J., Borrill, J., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M., Bucher, M., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., Colombo, L., Columbro, F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Henrot-Versillé, S., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lamagna, L., Lanen, J. V., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Louis, T., Luzzi, G., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Martinez-Gonzalez, E., Masi, S., Matsumura, T., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Noviello, F., O'Sullivan, C., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Peloton, J., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Remazeilles, M., Ritacco, A., Roudil, G., Rubino-Martin, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Stever, S., Stompor, R., Sugai, H., Sugiyama, S., Suzuki, A., Suzuki, J., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Taylor, E., Terao, Y., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Wehus, I., Weller, J., Westbrook, B., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., and Zonca, A.
Abstract: LiteBIRD, the Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission for primordial cosmology and fundamental physics. JAXA selected LiteBIRD in May 2019 as a strategic large-class (L-class) mission, with its expected launch in the late 2020s using JAXA's H3 rocket. LiteBIRD plans to map the cosmic microwave background (CMB) polarization over the full sky with unprecedented precision. Its main scientific objective is to carry out a definitive search for the signal from cosmic inflation, either making a discovery or ruling out well-motivated inflationary models. The measurements of LiteBIRD will also provide us with an insight into the quantum nature of gravity and other new physics beyond the standard models of particle physics and cosmology. To this end, LiteBIRD will perform full-sky surveys for three years at the Sun-Earth Lagrangian point L2 for 15 frequency bands between 34 and 448 GHz with three telescopes, to achieve a total sensitivity of 2.16 micro K-arcmin with a typical angular resolution of 0.5 deg. at 100GHz. We provide an overview of the LiteBIRD project, including scientific objectives, mission requirements, top-level system requirements, operation concept, and expected scientific outcomes., Comment: 20 pages, 9 figures
Published: 2021
Full Text: View/download PDF

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

Author: Hazumi, M., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banjeri, R., Barreiro, R. B., Basak, S., Beall, J., Beck, D., Beckman, S., Bermejo, J., de Bernardis, P., Bersanelli, M., Bonis, J., Borrill, J., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M., Bucher, M., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., Colombo, L., Columbro, F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Henrot-Versillé, S., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lamagna, L., Lanen, J. V., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Louis, T., Luzzi, G., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Martinez-Gonzalez, E., Masi, S., Matsumura, T., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Noviello, F., O'Sullivan, C., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Peloton, J., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Remazeilles, M., Ritacco, A., Roudil, G., Rubino-Martin, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Stever, S., Stompor, R., Sugai, H., Sugiyama, S., Suzuki, A., Suzuki, J., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Taylor, E., Terao, Y., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Wehus, I., Weller, J., Westbrook, B., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., Zonca, A., Hazumi, M., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banjeri, R., Barreiro, R. B., Basak, S., Beall, J., Beck, D., Beckman, S., Bermejo, J., de Bernardis, P., Bersanelli, M., Bonis, J., Borrill, J., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M., Bucher, M., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., Colombo, L., Columbro, F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Henrot-Versillé, S., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lamagna, L., Lanen, J. V., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Louis, T., Luzzi, G., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Martinez-Gonzalez, E., Masi, S., Matsumura, T., Mennella, A., Migliaccio, M., Minami, Y., Mitsuda, K., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., Nagai, M., Nagano, Y., Nagasaki, T., Nagata, R., Nakamura, S., Namikawa, T., Natoli, P., Nerval, S., Nishibori, T., Nishino, H., Noviello, F., O'Sullivan, C., Ogawa, H., Oguri, S., Ohsaki, H., Ohta, I. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Peloton, J., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Remazeilles, M., Ritacco, A., Roudil, G., Rubino-Martin, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sekimoto, Y., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Stever, S., Stompor, R., Sugai, H., Sugiyama, S., Suzuki, A., Suzuki, J., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Taylor, E., Terao, Y., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Wehus, I., Weller, J., Westbrook, B., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., and Zonca, A.
Abstract: LiteBIRD, the Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission for primordial cosmology and fundamental physics. JAXA selected LiteBIRD in May 2019 as a strategic large-class (L-class) mission, with its expected launch in the late 2020s using JAXA's H3 rocket. LiteBIRD plans to map the cosmic microwave background (CMB) polarization over the full sky with unprecedented precision. Its main scientific objective is to carry out a definitive search for the signal from cosmic inflation, either making a discovery or ruling out well-motivated inflationary models. The measurements of LiteBIRD will also provide us with an insight into the quantum nature of gravity and other new physics beyond the standard models of particle physics and cosmology. To this end, LiteBIRD will perform full-sky surveys for three years at the Sun-Earth Lagrangian point L2 for 15 frequency bands between 34 and 448 GHz with three telescopes, to achieve a total sensitivity of 2.16 micro K-arcmin with a typical angular resolution of 0.5 deg. at 100GHz. We provide an overview of the LiteBIRD project, including scientific objectives, mission requirements, top-level system requirements, operation concept, and expected scientific outcomes., Comment: 20 pages, 9 figures
Published: 2021
Full Text: View/download PDF

8. Overview of the Medium and High Frequency Telescopes of the LiteBIRD satellite mission

Author: Montier, L., Mot, B., de Bernardis, P., Maffei, B., Pisano, G., Columbro, F., Gudmundsson, J. E., Henrot-Versillé, S., Lamagna, L., Montgomery, J., Prouvé, T., Russell, M., Savini, G., Stever, S., Thompson, K. L., Tsujimoto, M., Tucker, C., Westbrook, B., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., 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. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lanen, J. V., Lattanzi, M., Lee, A. T., 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. A., 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. S., 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. A., 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. L., 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. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., Zonca, A., Montier, L., Mot, B., de Bernardis, P., Maffei, B., Pisano, G., Columbro, F., Gudmundsson, J. E., Henrot-Versillé, S., Lamagna, L., Montgomery, J., Prouvé, T., Russell, M., Savini, G., Stever, S., Thompson, K. L., Tsujimoto, M., Tucker, C., Westbrook, B., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., 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. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lanen, J. V., Lattanzi, M., Lee, A. T., 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. A., 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. S., 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. A., 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. L., 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. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., and Zonca, A.
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 34GHz to 448GHz. 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 (89-224GHz) and the High-Frequency Telescope (166-448GHz), the so-called MHFT, under European responsibility, which are two cryogenic refractive telescopes cooled down to 5K. 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 100mK. 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., Comment: SPIE Conference
Published: 2021
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9. Concept Design of Low Frequency Telescope for CMB B-mode Polarization satellite LiteBIRD

Author: Sekimoto, Y., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., Basak, S., Beall, J., Beck, D., Beckman, S., Bermejo, J., de Bernardis, P., Bersanelli, M., Bonis, J., Borrill, J., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M., Bucher, M., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., Colombo, L., Columbro, F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versillé, S., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lamagna, L., Lanen, J. V., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Louis, T., Luzzi, G., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Martinez-Gonzalez, E., Masi, S., Matsumura, T., Mennella, A., Migliaccio, M., Minanmi, Y., Mitsuda, K., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., 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. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Peloton, J., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Remazeilles, M., Ritacco, A., Roudil, G., Rubino-Martin, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Stever, S., Stompor, R., Sugai, H., Sugiyama, S., Suzuki, A., Suzuki, J., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Taylor, E., Terao, Y., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Wehus, I., Weller, J., Westbrook, B., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., Zonca, A., Sekimoto, Y., Ade, P. A. R., Adler, A., Allys, E., Arnold, K., Auguste, D., Aumont, J., Aurlien, R., Austermann, J., Baccigalupi, C., Banday, A. J., Banerji, R., Barreiro, R. B., Basak, S., Beall, J., Beck, D., Beckman, S., Bermejo, J., de Bernardis, P., Bersanelli, M., Bonis, J., Borrill, J., Boulanger, F., Bounissou, S., Brilenkov, M., Brown, M., Bucher, M., Calabrese, E., Campeti, P., Carones, A., Casas, F. J., Challinor, A., Chan, V., Cheung, K., Chinone, Y., Cliche, J. F., Colombo, L., Columbro, F., 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. M., Ebisawa, K., Elleflot, T., Eriksen, H. K., Errard, J., Essinger-Hileman, T., Finelli, F., Flauger, R., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gao, J. R., Genova-Santos, R., Gerbino, M., Gervasi, M., Ghigna, T., Gjerløw, E., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, J. E., de Haan, T., Halverson, N. W., Hargrave, P., Hasebe, T., Hasegawa, M., Hattori, M., Hazumi, M., Henrot-Versillé, S., Herman, D., Herranz, D., Hill, C. A., Hilton, G., Hirota, Y., Hivon, E., Hlozek, R. A., 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. L., Kushino, A., Lamagna, L., Lanen, J. V., Lattanzi, M., Lee, A. T., Leloup, C., Levrier, F., Linder, E., Louis, T., Luzzi, G., Maciaszek, T., Maffei, B., Maino, D., Maki, M., Mandelli, S., Martinez-Gonzalez, E., Masi, S., Matsumura, T., Mennella, A., Migliaccio, M., Minanmi, Y., Mitsuda, K., Montgomery, J., Montier, L., Morgante, G., Mot, B., Murata, Y., Murphy, J. A., 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. S., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Peloton, J., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouvé, T., Puglisi, G., Rambaud, D., Raum, C., Realini, S., Reinecke, M., Remazeilles, M., Ritacco, A., Roudil, G., Rubino-Martin, J. A., Russell, M., Sakurai, H., Sakurai, Y., Sandri, M., Sasaki, M., Savini, G., Scott, D., Seibert, J., Sherwin, B., Shinozaki, K., Shiraishi, M., Shirron, P., Signorelli, G., Smecher, G., Stever, S., Stompor, R., Sugai, H., Sugiyama, S., Suzuki, A., Suzuki, J., Svalheim, T. L., Switzer, E., Takaku, R., Takakura, H., Takakura, S., Takase, Y., Takeda, Y., Tartari, A., Taylor, E., Terao, Y., Thommesen, H., Thompson, K. L., Thorne, B., Toda, T., Tomasi, M., Tominaga, M., Trappe, N., Tristram, M., Tsuji, M., Tsujimoto, M., Tucker, C., Ullom, J., Vermeulen, G., Vielva, P., Villa, F., Vissers, M., Vittorio, N., Wehus, I., Weller, J., Westbrook, B., Wilms, J., Winter, B., Wollack, E. J., Yamasaki, N. Y., Yoshida, T., Yumoto, J., Zannoni, M., and Zonca, A.
Abstract: LiteBIRD has been selected as JAXA's strategic large mission in the 2020s, to observe the cosmic microwave background (CMB) $B$-mode polarization over the full sky at large angular scales. The challenges of LiteBIRD are the wide field-of-view (FoV) and broadband capabilities of millimeter-wave polarization measurements, which are derived from the system requirements. The possible paths of stray light increase with a wider FoV and the far sidelobe knowledge of $-56$ dB is a challenging optical requirement. A crossed-Dragone configuration was chosen for the low frequency telescope (LFT : 34--161 GHz), one of LiteBIRD's onboard telescopes. It has a wide field-of-view ($18^\circ \times 9^\circ$) with an aperture of 400 mm in diameter, corresponding to an angular resolution of about 30 arcminutes around 100 GHz. The focal ratio f/3.0 and the crossing angle of the optical axes of 90$^\circ$ are chosen after an extensive study of the stray light. The primary and secondary reflectors have rectangular shapes with serrations to reduce the diffraction pattern from the edges of the mirrors. The reflectors and structure are made of aluminum to proportionally contract from warm down to the operating temperature at $5\,$K. A 1/4 scaled model of the LFT has been developed to validate the wide field-of-view design and to demonstrate the reduced far sidelobes. A polarization modulation unit (PMU), realized with a half-wave plate (HWP) is placed in front of the aperture stop, the entrance pupil of this system. A large focal plane with approximately 1000 AlMn TES detectors and frequency multiplexing SQUID amplifiers is cooled to 100 mK. The lens and sinuous antennas have broadband capability. Performance specifications of the LFT and an outline of the proposed verification plan are presented., Comment: 21 pages, 14 figures
Published: 2021
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10. Updated Design of the CMB Polarization Experiment Satellite LiteBIRD

Author: 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, Adri, 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., Ghigna, T., Gomez, A., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, Jón 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., 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. 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., Ohsaki, H., Ohta, I., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouve, 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. 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., 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, Adri, 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., Ghigna, T., Gomez, A., Gradziel, M. L., Grain, J., Grupp, F., Gruppuso, A., Gudmundsson, Jón 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., 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. 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., Ohsaki, H., Ohta, I., Okada, N., Pagano, L., Paiella, A., Paoletti, D., Patanchon, G., Piacentini, F., Pisano, G., Polenta, G., Poletti, D., Prouve, 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. 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.
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.
Published: 2020
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11. Updated design of the CMB polarization experiment satellite LiteBIRD

Author: 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., Nerva, S., Nishibori, T., Nishino, H., Nomura, Y., Noviello, F., O'Sullivan, C., Ochi, H., Ogawa, H., Ohsaki, H., Ohta, I., 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., 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., Nerva, S., Nishibori, T., Nishino, H., Nomura, Y., Noviello, F., O'Sullivan, C., Ochi, H., Ogawa, H., Ohsaki, H., Ohta, I., 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.
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 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 cosmic microwave background (CMB) by the primordial gravitational waves predicted in cosmic inflation. The total wide frequency coverage between 34GHz and 448GHz 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 5Kelvin 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 three years. An international collaboration between Japan, USA, Canada, and Europe is sharing various roles. In May 2019, the Institute of Space and Astronautical Science (ISAS), JAXA selected LiteBIRD as the strategic large mission No. 2., Comment: Journal of Low Temperature Physics, in press
Published: 2020
Full Text: View/download PDF

12. Updated Design of the CMB Polarization Experiment Satellite LiteBIRD

Author: 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., Ohsaki, H., Ohta, I., 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., Zonca, A., 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., Ohsaki, H., Ohta, I., 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.
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.
Published: 2020

13. Updated Design of the CMB Polarization Experiment Satellite LiteBIRD

Author: 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., Ohsaki, H., Ohta, I., 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., Zonca, A., 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., Ohsaki, H., Ohta, I., 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.
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.
Published: 2020

14. Updated design of the CMB polarization experiment satellite LiteBIRD

Author: 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., Nerva, S., Nishibori, T., Nishino, H., Nomura, Y., Noviello, F., O'Sullivan, C., Ochi, H., Ogawa, H., Ohsaki, H., Ohta, I., 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., 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., Nerva, S., Nishibori, T., Nishino, H., Nomura, Y., Noviello, F., O'Sullivan, C., Ochi, H., Ogawa, H., Ohsaki, H., Ohta, I., 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.
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 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 cosmic microwave background (CMB) by the primordial gravitational waves predicted in cosmic inflation. The total wide frequency coverage between 34GHz and 448GHz 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 5Kelvin 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 three years. An international collaboration between Japan, USA, Canada, and Europe is sharing various roles. In May 2019, the Institute of Space and Astronautical Science (ISAS), JAXA selected LiteBIRD as the strategic large mission No. 2., Comment: Journal of Low Temperature Physics, in press
Published: 2020
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15. 次期赤外線天文衛星SPICAの極低温冷却システム

Author: Sugita, Hiroyuki, Kushino, Akihiro, Nakagawa, Takao, Murakami, Hiroshi, Matsumoto, Toshio, Hirabayashi, Masayuki, 杉田寛之, 久志野彰寛, 中川貴雄, 村上浩, 松本敏雄, 平林誠之, Sugita, Hiroyuki, Kushino, Akihiro, Nakagawa, Takao, Murakami, Hiroshi, Matsumoto, Toshio, Hirabayashi, Masayuki, 杉田寛之, 久志野彰寛, 中川貴雄, 村上浩, 松本敏雄, and 平林誠之
Published: 2015

16. 固体ディスプレーサによる熱音響発振器の自励振動特性

Author: 小林, 啓志, 大西, 孝明, 櫻沢, 真人, 載, 巍, 松原, 洋一, 杉田, 寛之, 久志野, 彰寛, Kobayashi, Hiroshi, Ohnishi, Takaaki, Sakurazawa, Masato, Dai, Wei, Matsubara, Youichi, Sugita, Hiroyuki, Kushino, Akihiro, 小林, 啓志, 大西, 孝明, 櫻沢, 真人, 載, 巍, 松原, 洋一, 杉田, 寛之, 久志野, 彰寛, Kobayashi, Hiroshi, Ohnishi, Takaaki, Sakurazawa, Masato, Dai, Wei, Matsubara, Youichi, Sugita, Hiroyuki, and Kushino, Akihiro
Published: 2015

17. ASCA study of the X-ray background spectrum I. Observation, analysis and the galactic distribution

Author: 石崎, 欣尚, 久志野, 彰寛, 森田, うめ代, 山崎, 典子, 石田, 学, 大橋, 隆哉, 上田, 佳宏, Ishisaki, Yoshitaka, Kushino, Akihiro, Morita, Umeyo, Yamasaki, Noriko. Y., Ishida, Manabu, Ohashi, Takaya, Ueda, Yoshihiro, 石崎, 欣尚, 久志野, 彰寛, 森田, うめ代, 山崎, 典子, 石田, 学, 大橋, 隆哉, 上田, 佳宏, Ishisaki, Yoshitaka, Kushino, Akihiro, Morita, Umeyo, Yamasaki, Noriko. Y., Ishida, Manabu, Ohashi, Takaya, and Ueda, Yoshihiro
Published: 2015

18. Performances of series-connected STJs as an imaging X-ray detector

Author: 久志野, 彰寛, 菊池, 健一, 山崎, 典子, 大橋, 隆哉, 倉門, 雅彦, Kushino, A., Kikuchi, K., Yamasaki, Noriko. Y., Ohashi, T., Kurakado, M., 久志野, 彰寛, 菊池, 健一, 山崎, 典子, 大橋, 隆哉, 倉門, 雅彦, Kushino, A., Kikuchi, K., Yamasaki, Noriko. Y., Ohashi, T., and Kurakado, M.
Published: 2015

19. Study of the X-Ray Background Spectrum and its Large-Scale Fluctuation with ASCA

Author: Kushino, Akihiro, Ishisaki, Yoshitaka, Morita, Umeyo, Yamasaki, Noriko Y., Ishida, Manabu, Ohashi, Takaya, Ueda, Yoshihiro, Kushino, Akihiro, Ishisaki, Yoshitaka, Morita, Umeyo, Yamasaki, Noriko Y., Ishida, Manabu, Ohashi, Takaya, and Ueda, Yoshihiro
Abstract: We studied the energy spectrum and the large-scale fluctuation of the X-ray background with the ASCA GIS based on the ASCA MSS and LSS observations. A total of 91 fields with Galactic latitude |b|>10 deg were selected with a sky coverage of 50 deg^2 and 4.2 Ms of exposure. For each field, sources brighter than \sim 2\times 10^{-13}\ergs (2-10 keV) were eliminated. Spectral fits with a single power-law model for the individual 0.7-10 keV spectra showed a significant excess below \sim 2 keV, which could be expressed by an additional thermal model with kT\simeq 0.4 keV or a steep power-law model with photon index GS\simeq 6. The 0.5-2 keV intensities of the soft thermal component varied significantly by 1\sigma=52^{+4}_{-5}%, and showed a maximum toward the Galactic Center. This component is considered to be entirely Galactic. As for the hard power-law component, an average photon index of 91 fields was obtained to be GH = 1.412\pm 0.007\pm 0.025 and the average 2-10 keV intensity was calculated as FH = (6.38\pm 0.04\pm 0.64)\times 10^{-8} \ergss. The Galactic component is marginally detected in the hard band. The 2-10 keV intensities shows a 1\sigma deviation of 6.49^{+0.56}_{-0.61}%, while deviation due to the NXB is 3.2%. The observed deviation can be explained by the Poisson noise of source count in the f.o.v. (\sim 0.5 deg^2), even assuming a single \logn relation on the whole sky. Based on the observed fluctuation and the absolute intensity, an acceptable region of the \logn relation was derived, showing a consistent feature with the recent Chandra and XMM-Newton results. Fluctuation of the spectral index was also examined, and it implied a large amount of hard sources and a substantial variation in the intrinsic source spectra (GS\simeq 1.1\pm 1.0)., Comment: 27 pages, 20 figures, accepted for publication in PASJ, amended figure8 and figure17
Published: 2002
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20. Study of the X-Ray Background Spectrum and its Large-Scale Fluctuation with ASCA

Author: Kushino, Akihiro, Ishisaki, Yoshitaka, Morita, Umeyo, Yamasaki, Noriko Y., Ishida, Manabu, Ohashi, Takaya, Ueda, Yoshihiro, Kushino, Akihiro, Ishisaki, Yoshitaka, Morita, Umeyo, Yamasaki, Noriko Y., Ishida, Manabu, Ohashi, Takaya, and Ueda, Yoshihiro
Abstract: We studied the energy spectrum and the large-scale fluctuation of the X-ray background with the ASCA GIS based on the ASCA MSS and LSS observations. A total of 91 fields with Galactic latitude |b|>10 deg were selected with a sky coverage of 50 deg^2 and 4.2 Ms of exposure. For each field, sources brighter than \sim 2\times 10^{-13}\ergs (2-10 keV) were eliminated. Spectral fits with a single power-law model for the individual 0.7-10 keV spectra showed a significant excess below \sim 2 keV, which could be expressed by an additional thermal model with kT\simeq 0.4 keV or a steep power-law model with photon index GS\simeq 6. The 0.5-2 keV intensities of the soft thermal component varied significantly by 1\sigma=52^{+4}_{-5}%, and showed a maximum toward the Galactic Center. This component is considered to be entirely Galactic. As for the hard power-law component, an average photon index of 91 fields was obtained to be GH = 1.412\pm 0.007\pm 0.025 and the average 2-10 keV intensity was calculated as FH = (6.38\pm 0.04\pm 0.64)\times 10^{-8} \ergss. The Galactic component is marginally detected in the hard band. The 2-10 keV intensities shows a 1\sigma deviation of 6.49^{+0.56}_{-0.61}%, while deviation due to the NXB is 3.2%. The observed deviation can be explained by the Poisson noise of source count in the f.o.v. (\sim 0.5 deg^2), even assuming a single \logn relation on the whole sky. Based on the observed fluctuation and the absolute intensity, an acceptable region of the \logn relation was derived, showing a consistent feature with the recent Chandra and XMM-Newton results. Fluctuation of the spectral index was also examined, and it implied a large amount of hard sources and a substantial variation in the intrinsic source spectra (GS\simeq 1.1\pm 1.0)., Comment: 27 pages, 20 figures, accepted for publication in PASJ, amended figure8 and figure17
Published: 2002
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21. Chemical recycling of mixture of waste plastics using a new reactor system with stirred heat medium particles in steam atmosphere

Author: Masuda, T, Kushino, T, Matsuda, T, Mukai, SR, Hashimoto, K, Yoshida, S, Masuda, T, Kushino, T, Matsuda, T, Mukai, SR, Hashimoto, K, and Yoshida, S
Published: 2001

22. Chemical recycling of mixture of waste plastics using a new reactor system with stirred heat medium particles in steam atmosphere

Author: Masuda, T, Kushino, T, Matsuda, T, Mukai, SR, Hashimoto, K, Yoshida, S, Masuda, T, Kushino, T, Matsuda, T, Mukai, SR, Hashimoto, K, and Yoshida, S
Published: 2001

23. Detection of an X-Ray Hot Region in the Virgo Cluster of Galaxies with ASCA

Author: Kikuchi, K., Itoh, C., Kushino, A., Furusho, T., Matsushita, K., Yamasaki, N. Y., Ohashi, T., Fukazawa, Y., Ikebe, Y., Boehringer, H., Matsumoto, H., Kikuchi, K., Itoh, C., Kushino, A., Furusho, T., Matsushita, K., Yamasaki, N. Y., Ohashi, T., Fukazawa, Y., Ikebe, Y., Boehringer, H., and Matsumoto, H.
Abstract: Based on mapping observations with ASCA, an unusual hot region with a spatial extent of 1 square degree was discovered between M87 and M49 at a center coordinate of R. A. = 12h 27m 36s and Dec. = $9^\circ18'$ (J2000). The X-ray emission from the region has a 2-10 keV flux of $1 \times 10^{-11}$ ergs s$^{-1}$ cm$^{-2}$ and a temperature of $kT \gtrsim 4$ keV, which is significantly higher than that in the surrounding medium of $\sim 2$ keV. The internal thermal energy in the hot region is estimated to be $V n k T \sim 10^{60}$ ergs with a gas density of $\sim 10^{-4}$ cm$^{-3}$. A power-law spectrum with a photon index $1.7-2.3$ is also allowed by the data. The hot region suggests there is an energy input due to a shock which is probably caused by the motion of the gas associated with M49, infalling toward the M87 cluster with a velocity $\gtrsim 1000$ km s$^{-1}$., Comment: 12 pages, 3 figures, accepted to ApJL
Published: 2000
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24. Detection of an X-Ray Hot Region in the Virgo Cluster of Galaxies with ASCA

Author: Kikuchi, K., Itoh, C., Kushino, A., Furusho, T., Matsushita, K., Yamasaki, N. Y., Ohashi, T., Fukazawa, Y., Ikebe, Y., Boehringer, H., Matsumoto, H., Kikuchi, K., Itoh, C., Kushino, A., Furusho, T., Matsushita, K., Yamasaki, N. Y., Ohashi, T., Fukazawa, Y., Ikebe, Y., Boehringer, H., and Matsumoto, H.
Abstract: Based on mapping observations with ASCA, an unusual hot region with a spatial extent of 1 square degree was discovered between M87 and M49 at a center coordinate of R. A. = 12h 27m 36s and Dec. = $9^\circ18'$ (J2000). The X-ray emission from the region has a 2-10 keV flux of $1 \times 10^{-11}$ ergs s$^{-1}$ cm$^{-2}$ and a temperature of $kT \gtrsim 4$ keV, which is significantly higher than that in the surrounding medium of $\sim 2$ keV. The internal thermal energy in the hot region is estimated to be $V n k T \sim 10^{60}$ ergs with a gas density of $\sim 10^{-4}$ cm$^{-3}$. A power-law spectrum with a photon index $1.7-2.3$ is also allowed by the data. The hot region suggests there is an energy input due to a shock which is probably caused by the motion of the gas associated with M49, infalling toward the M87 cluster with a velocity $\gtrsim 1000$ km s$^{-1}$., Comment: 12 pages, 3 figures, accepted to ApJL
Published: 2000
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25. 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.

26. Heart Mountain sentinel, vol. 4, no. 13 (March 24, 1945)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yamaoko, Eddie: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yamaoko, Eddie: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

27. Heart Mountain sentinel, vol. 3, no. 38 (September 16, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

28. Heart Mountain sentinel, vol. 3, no. 46 (November 11, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

29. Heart Mountain sentinel, vol. 3, no. 33 (August 12, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

30. Heart Mountain sentinel, vol. 4, no. 14 (March 31, 1945)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yamaoko, Eddie: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yamaoko, Eddie: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

31. Heart Mountain sentinel, vol. 3, no. 31 (July 29, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by "The Sentinel Trust at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

32. Heart Mountain sentinel, vol. 4, no. 8 (February 17, 1945)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yamaoko, Eddie: editor; Ikebe, Pat: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yamaoko, Eddie: editor; Ikebe, Pat: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

33. Heart Mountain sentinel, vol. 3, no. 36 (September 2, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

34. Heart Mountain sentinel, vol. 4, no. 5 (January 27, 1945)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

35. Heart Mountain sentinel, vol. 3, no. 39 (September 23, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yano, Ted: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yano, Ted: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

36. Heart Mountain sentinel, vol. 3, no. 37 (September 9, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

37. Heart Mountain sentinel, vol. 4, no. 14 (March 31, 1945)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yamaoko, Eddie: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kushino, Kay: editor; Yamaoko, Eddie: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

38. Heart Mountain sentinel, vol. 3, no. 34 (August 19, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

39. Heart Mountain sentinel, vol. 3, no. 35 (August 26, 1944)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Otani, Kunio: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

40. Heart Mountain sentinel, vol. 2, no. 45 (November 6, 1943)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming. Articles in the publication include: "New System Established For Court," "Mission Team Arrives Today," "40 Leaders Attend Training Class," "Harvest Hop Held by Block 24 Group," and "Heart Mountain Resident Visits Indian Reservation.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

41. Heart Mountain sentinel, vol. 2, no. 49 (December 4, 1943)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming. Articles in the publication include: "No Short Term Leaves Issued," "YWCA Secretary Plans Heart Mountain Visit," "California Paper Raps Grange Resolution as 'Out of Order,"' and "Farm Department Reorganized For Winter and Spring Program.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

42. Heart Mountain sentinel, vol. 2, no. 46 (November 13, 1943)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming. Articles in the publication include: "New Relocation Program Starts," "Juvenile Delinquency No Longer Center Problem," "Alphas Celebrate Year Anniversary," "Evacuees Harvest Sugar Beets in Denver Area," and "Volleyball Loop to Start Soon.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

43. Heart Mountain sentinel, vol. 2, no. 44 (October 30, 1943)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming. Articles in the publication include: "Volunteer Workers Save Farm Crops from Frost As Winter Threatens," "Local Organization Will Observe Girl Scout Week," "Eberharter Denounces Critics in House of Representatives," and "County War Boards to Assist in Sale of Farm Equipment.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

44. Heart Mountain sentinel, vol. 2, no. 48 (November 27, 1943)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming. Articles in the publication include: "Lack of Social Graces Causes Concern of Nisei," "Relocation Committee Formed To Aid Evacuees in Michigan," "Original Attire Featured at Dance," and "Farm Division Makes Plans for Next Year.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

45. Heart Mountain sentinel, vol. 2, no. 43 (October 23, 1943)

Author: Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor and Heart Mountain Relocation Center (Wyo.): issuing body; Imura, Haruo: editor; Kunitomi, Jack: editor; Kushino, Kay: editor
Abstract: Newspaper published weekly at the Heart Mountain incarceration camp by the "Community Enterprises at the office of the Cody Enterprise, Cody, Wyoming. Articles in the publication include: "Center to Concentrate On Harvesting Crops," "68 Heart Mountain Boy Scouts Get Awards at Court of Honor," and "Heavy Frost Damages Farm Crops.", The Heart Mountain Sentinel includes newspaper publications from 1943. The incarceration camp opened August 12, 1942, in Cody, Wyoming, six months after President Roosevelt issued Executive Order 9066. In October that same year, The Heart Mountain Sentinel published its first weekly tabloid. The newspaper focused on camp life and included official announcements, events, news from other camps, and additional information. The Heart Mountain Sentinel ran until July 28, 1945, after it was announced in July 1945 that the Heart Mountain incarceration camp would close November 15, 1945.

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