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1. Observation of Fine Time Structures in the Cosmic Proton and Helium Fluxes with the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Ali Cavasonza, L, Alpat, B, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeǧmez-Du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, De Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Chen, Y, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, Von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D'Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Z, Light, C, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Luo, X, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palermo, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Popkow, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Schulz Von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoǧlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Aguilar, M., Ali Cavasonza, L., Alpat, B., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeǧmez-Du Pree, S., Battarbee, M., Battiston, R., Becker, U., Behlmann, M., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., De Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Burger, J., Cadoux, F., Cai, X. D., Capell, M., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, A. I., Chen, G. M., Chen, H. S., Chen, Y., Cheng, L., Chou, H. Y., Choumilov, E., Choutko, V., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dadzie, K., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., Von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D'Urso, D., Egorov, A., Eline, A., Eronen, T., Feng, J., Fiandrini, E., Fisher, P., Formato, V., Galaktionov, Y., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Heil, M., Hoffman, J., Hsieh, T. H., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jia, Yi, Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., Kounina, O., Kounine, A., Koutsenko, V., Kulemzin, A., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lebedev, A., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Z. H., Li, Z. Y., Light, C., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, Hu, Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Luo, X., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Phan, H. D., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Plyaskin, V., Pohl, M., Poireau, V., Popkow, A., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozhkov, A., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Schulz Von Dratzig, A., Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Ting, Samuel C. C., Ting, S. M., Tomassetti, N., Torsti, J., Türkoǧlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X., Wang, X. Q., Wang, Z. X., Wei, C. C., Weng, Z. L., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Xu, W., Yan, Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J., Zhang, J. H., Zhang, S. W., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., Zuccon, P., Aguilar, M, Ali Cavasonza, L, Alpat, B, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeǧmez-Du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, De Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Chen, Y, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, Von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D'Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Z, Light, C, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Luo, X, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palermo, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Popkow, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Schulz Von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoǧlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Aguilar, M., Ali Cavasonza, L., Alpat, B., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeǧmez-Du Pree, S., Battarbee, M., Battiston, R., Becker, U., Behlmann, M., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., De Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Burger, J., Cadoux, F., Cai, X. D., Capell, M., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, A. I., Chen, G. M., Chen, H. S., Chen, Y., Cheng, L., Chou, H. Y., Choumilov, E., Choutko, V., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dadzie, K., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., Von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D'Urso, D., Egorov, A., Eline, A., Eronen, T., Feng, J., Fiandrini, E., Fisher, P., Formato, V., Galaktionov, Y., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Heil, M., Hoffman, J., Hsieh, T. H., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jia, Yi, Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., Kounina, O., Kounine, A., Koutsenko, V., Kulemzin, A., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lebedev, A., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Z. H., Li, Z. Y., Light, C., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, Hu, Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Luo, X., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Phan, H. D., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Plyaskin, V., Pohl, M., Poireau, V., Popkow, A., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozhkov, A., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Schulz Von Dratzig, A., Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Ting, Samuel C. C., Ting, S. M., Tomassetti, N., Torsti, J., Türkoǧlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X., Wang, X. Q., Wang, Z. X., Wei, C. C., Weng, Z. L., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Xu, W., Yan, Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J., Zhang, J. H., Zhang, S. W., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., and Zuccon, P.
Abstract: We present the precision measurement from May 2011 to May 2017 (79 Bartels rotations) of the proton fluxes at rigidities from 1 to 60 GV and the helium fluxes from 1.9 to 60 GV based on a total of 1×109 events collected with the Alpha Magnetic Spectrometer aboard the International Space Station. This measurement is in solar cycle 24, which has the solar maximum in April 2014. We observed that, below 40 GV, the proton flux and the helium flux show nearly identical fine structures in both time and relative amplitude. The amplitudes of the flux structures decrease with increasing rigidity and vanish above 40 GV. The amplitudes of the structures are reduced during the time period, which started one year after solar maximum, when the proton and helium fluxes steadily increase. Above ∼3 GV the p/He flux ratio is time independent. We observed that below ∼3 GV the ratio has a long-term decrease coinciding with the period during which the fluxes start to rise
Published: 2018

2. Observation of Complex Time Structures in the Cosmic-Ray Electron and Positron Fluxes with the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Cavasonza, L, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeǧmez-Du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, De Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Chen, Y, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, Von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D'Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palermo, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoǧlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Aguilar, M., Cavasonza, L. Ali, Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeǧmez-Du Pree, S., Battarbee, M., Battiston, R., Becker, U., Behlmann, M., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., De Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Burger, J., Cadoux, F., Cai, X. D., Capell, M., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, A. I., Chen, G. M., Chen, H. S., Chen, Y., Cheng, L., Chou, H. Y., Choumilov, E., Choutko, V., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dadzie, K., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., Von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D'Urso, D., Egorov, A., Eline, A., Eronen, T., Feng, J., Fiandrini, E., Fisher, P., Formato, V., Galaktionov, Y., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Heil, M., Hsieh, T. H., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jia, Yi, Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., Kounina, O., Kounine, A., Koutsenko, V., Kulemzin, A., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lebedev, A., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, Hu, Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Phan, H. D., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Plyaskin, V., Pohl, M., Poireau, V., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozhkov, A., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Von Dratzig, A. Schulz, Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Ting, Samuel C. C., Ting, S. M., Tomassetti, N., Torsti, J., Türkoǧlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X., Wang, X. Q., Wang, Z. X., Wei, C. C., Weng, Z. L., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Xu, W., Yan, Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J., Zhang, J. H., Zhang, S. W., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., Zuccon, P., Aguilar, M, Cavasonza, L, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeǧmez-Du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, De Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Chen, Y, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, Von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D'Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palermo, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoǧlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Aguilar, M., Cavasonza, L. Ali, Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeǧmez-Du Pree, S., Battarbee, M., Battiston, R., Becker, U., Behlmann, M., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., De Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Burger, J., Cadoux, F., Cai, X. D., Capell, M., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, A. I., Chen, G. M., Chen, H. S., Chen, Y., Cheng, L., Chou, H. Y., Choumilov, E., Choutko, V., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dadzie, K., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., Von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D'Urso, D., Egorov, A., Eline, A., Eronen, T., Feng, J., Fiandrini, E., Fisher, P., Formato, V., Galaktionov, Y., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Heil, M., Hsieh, T. H., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jia, Yi, Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., Kounina, O., Kounine, A., Koutsenko, V., Kulemzin, A., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lebedev, A., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, Hu, Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Phan, H. D., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Plyaskin, V., Pohl, M., Poireau, V., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozhkov, A., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Von Dratzig, A. Schulz, Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Ting, Samuel C. C., Ting, S. M., Tomassetti, N., Torsti, J., Türkoǧlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X., Wang, X. Q., Wang, Z. X., Wei, C. C., Weng, Z. L., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Xu, W., Yan, Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J., Zhang, J. H., Zhang, S. W., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., and Zuccon, P.
Abstract: We present high-statistics, precision measurements of the detailed time and energy dependence of the primary cosmic-ray electron flux and positron flux over 79 Bartels rotations from May 2011 to May 2017 in the energy range from 1 to 50 GeV. For the first time, the charge-sign dependent modulation during solar maximum has been investigated in detail by leptons alone. Based on 23.5×106 events, we report the observation of short-term structures on the timescale of months coincident in both the electron flux and the positron flux. These structures are not visible in the e+/e- flux ratio. The precision measurements across the solar polarity reversal show that the ratio exhibits a smooth transition over 830±30 days from one value to another. The midpoint of the transition shows an energy dependent delay relative to the reversal and changes by 260±30 days from 1 to 6 GeV
Published: 2018

3. Observation of New Properties of Secondary Cosmic Rays Lithium, Beryllium, and Boron by the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Ali Cavasonza, L, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeğmez-du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Burger, W, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palermo, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Schulz von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Aguilar, M., Ali Cavasonza, L., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeğmez-du Pree, S., Battarbee, M., Battiston, R., Becker, U., Behlmann, M., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. .F., Bindi, V., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. .J., Bourquin, M., Bueno, E. .F., Burger, J., Burger, W. .J., Cadoux, F., Cai, X. .D., Capell, M., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. .J., Chang, Y. .H., Chen, A. .I., Chen, G. .M., Chen, H. .S., Cheng, L., Chou, H. .Y., Choumilov, E., Choutko, V., Chung, C. .H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dadzie, K., Dai, Y. .M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. .B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D’Urso, D., Egorov, A., Eline, A., Eronen, T., Feng, J., Fiandrini, E., Fisher, P., Formato, V., Galaktionov, Y., Gallucci, G., García-López, R. .J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. .M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. .H., Haino, S., Han, K. .C., He, Z. .H., Heil, M., Hsieh, T. .H., Huang, H., Huang, Z. .C., Huh, C., Incagli, M., Ionica, M., Jang, W. .Y., Jia, Yi, Jinchi, H., Kang, S. .C., Kanishev, K., Khiali, B., Kim, G. .N., Kim, K. .S., Kirn, T.h., Konak, C., Kounina, O., Kounine, A., Koutsenko, V., Kulemzin, A., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lebedev, A., Lee, H. .T., Lee, S. .C., Leluc, C., Li, H. .S., Li, J. .Q., Li, Q., Li, T. .X., Li, Y., Li, Z. .H., Li, Z. .Y., Lim, S., Lin, C. .H., Lipari, P., Lippert, T., Liu, D., Liu, Hu, Lordello, V. .D., Lu, S. .Q., Lu, Y. .S., Luebelsmeyer, K., Luo, F., Luo, J. .Z., Lyu, S. .S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. .M., Mo, D. .C., Mott, P., Nelson, T., Ni, J. .Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Phan, H. .D., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Plyaskin, V., Pohl, M., Poireau, V., Quadrani, L., Qi, X. .M., Qin, X., Qu, Z. .Y., Räihä, T., Rancoita, P. .G., Rapin, D., Ricol, J. .S., Rosier-Lees, S., Rozhkov, A., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. .M., Schulz von Dratzig, A., Schwering, G., Seo, E. .S., Shan, B. .S., Shi, J. .Y., Siedenburg, T., Son, D., Song, J. .W., Tacconi, M., Tang, X. .W., Tang, Z. .C., Tescaro, D., Ting, Samuel C. .C., Ting, S. .M., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. .P., Vitale, V., Wang, L. .Q., Wang, N. .H., Wang, Q. .L., Wang, X., Wang, X. .Q., Wang, Z. .X., Wei, C. .C., Weng, Z. .L., Whitman, K., Wu, H., Wu, X., Xiong, R. .Q., Xu, W., Yan, Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. .J., Yu, Z. .Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J., Zhang, J. .H., Zhang, S. .W., Zhang, Z., Zheng, Z. .M., Zhuang, H. .L., Zhukov, V., Zichichi, A., Zimmermann, N., Zuccon, P., Aguilar, M, Ali Cavasonza, L, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeğmez-du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Burger, W, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palermo, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Schulz von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Aguilar, M., Ali Cavasonza, L., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeğmez-du Pree, S., Battarbee, M., Battiston, R., Becker, U., Behlmann, M., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. .F., Bindi, V., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. .J., Bourquin, M., Bueno, E. .F., Burger, J., Burger, W. .J., Cadoux, F., Cai, X. .D., Capell, M., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. .J., Chang, Y. .H., Chen, A. .I., Chen, G. .M., Chen, H. .S., Cheng, L., Chou, H. .Y., Choumilov, E., Choutko, V., Chung, C. .H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dadzie, K., Dai, Y. .M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. .B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D’Urso, D., Egorov, A., Eline, A., Eronen, T., Feng, J., Fiandrini, E., Fisher, P., Formato, V., Galaktionov, Y., Gallucci, G., García-López, R. .J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. .M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. .H., Haino, S., Han, K. .C., He, Z. .H., Heil, M., Hsieh, T. .H., Huang, H., Huang, Z. .C., Huh, C., Incagli, M., Ionica, M., Jang, W. .Y., Jia, Yi, Jinchi, H., Kang, S. .C., Kanishev, K., Khiali, B., Kim, G. .N., Kim, K. .S., Kirn, T.h., Konak, C., Kounina, O., Kounine, A., Koutsenko, V., Kulemzin, A., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lebedev, A., Lee, H. .T., Lee, S. .C., Leluc, C., Li, H. .S., Li, J. .Q., Li, Q., Li, T. .X., Li, Y., Li, Z. .H., Li, Z. .Y., Lim, S., Lin, C. .H., Lipari, P., Lippert, T., Liu, D., Liu, Hu, Lordello, V. .D., Lu, S. .Q., Lu, Y. .S., Luebelsmeyer, K., Luo, F., Luo, J. .Z., Lyu, S. .S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. .M., Mo, D. .C., Mott, P., Nelson, T., Ni, J. .Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Phan, H. .D., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Plyaskin, V., Pohl, M., Poireau, V., Quadrani, L., Qi, X. .M., Qin, X., Qu, Z. .Y., Räihä, T., Rancoita, P. .G., Rapin, D., Ricol, J. .S., Rosier-Lees, S., Rozhkov, A., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. .M., Schulz von Dratzig, A., Schwering, G., Seo, E. .S., Shan, B. .S., Shi, J. .Y., Siedenburg, T., Son, D., Song, J. .W., Tacconi, M., Tang, X. .W., Tang, Z. .C., Tescaro, D., Ting, Samuel C. .C., Ting, S. .M., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. .P., Vitale, V., Wang, L. .Q., Wang, N. .H., Wang, Q. .L., Wang, X., Wang, X. .Q., Wang, Z. .X., Wei, C. .C., Weng, Z. .L., Whitman, K., Wu, H., Wu, X., Xiong, R. .Q., Xu, W., Yan, Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. .J., Yu, Z. .Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J., Zhang, J. .H., Zhang, S. .W., Zhang, Z., Zheng, Z. .M., Zhuang, H. .L., Zhukov, V., Zichichi, A., Zimmermann, N., and Zuccon, P.
Abstract: We report on the observation of new properties of secondary cosmic rays Li, Be, and B measured in the rigidity (momentum per unit charge) range 1.9 GV to 3.3 TV with a total of 5.4 × 106 nuclei collected by AMS during the first five years of operation aboard the International Space Station. The Li and B fluxes have an identical rigidity dependence above 7 GVand all three fluxes have an identical rigidity dependence above 30 GV with the Li/Be flux ratio of 2.0 +/- 0.1. The three fluxes deviate from a single power law above 200 GV in an identical way. This behavior of secondary cosmic rays has also been observed in the AMS measurement of primary cosmic rays He, C, and O but the rigidity dependences of primary cosmic rays and of secondary cosmic rays are distinctly different. In particular, above 200 GV, the secondary cosmic rays harden more than the primary cosmic rays
Published: 2018

4. Application of the independent component analysis to the iKAGRA data

Author: KAGRA Collaboration, Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Bae, Y., Baiotti, L., Bajpai, R., Barton, M. A., Cannon, K., Capocasa, E., Chan, M., Chen, C., Chen, K., Chen, Y., Chu, H., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Eguchi, S., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Ge, G., Hagiwara, A., Haino, S., Hasegawa, K., Hashino, K., Hayakawa, H., Hayama, K., Himemoto, Y., Hiranuma, Y., Hirata, N., Hirobayashi, S., Hirose, E., Hong, Z., Hsieh, B. H., Huang, G-Z., Huang, P., Huang, Y., Ikenoue, B., Imam, S., Inayoshi, K., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Jung, K., Jung, P., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawaguchi, K., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kita, N., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozakai, C., Kozu, R., Kumar, R., Kume, J., Kuo, C., Kuo, H-S., Kuroyanagi, S., Kusayanagi, K., Kwak, K., Lee, H. K., Lee, H. M., Lee, H. W., Lee, R., Leonardi, M., Lin, C., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Luo, L., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyazaki, Y., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Nakashima, R., Narikawa, T., Naticchioni, L., Negishi, R., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Obuchi, Y., Ochi, T., Ogaki, W., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Oohara, K., Ooi, C. P., Oshino, S., Pan, K., Pang, H., Park, J., Arellano, F. E. Pena, Pinto, I., Sago, N., Saijo, M., Saito, S., Saito, Y., Sakai, K., Sakai, Y., Sakuno, Y., Sasaki, M., Sasaki, Y., Sato, S., Sato, T., Sawada, T., Sekiguchi, T., Sekiguchi, Y., Seto, N., Shibagaki, S., Shibata, M., Shimizu, R., Shimoda, T., Shimode, K., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Sotani, H., Suemasa, A., Sugimoto, R., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takano, S., Takeda, H., Takeda, M., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Telada, S., Tomaru, T., Tomigami, Y., Tomura, T., Travasso, F., Trozzo, L., Tsang, T., Tsubono, K., Tsuchida, S., Tsuzuki, T., Tuyenbayev, D., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueki, S., Ueno, K., Ueshima, G., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Wang, J., Wu, C., Wu, H., Wu, S., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhao, Y., Zhu, Z. -H., KAGRA Collaboration, Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Bae, Y., Baiotti, L., Bajpai, R., Barton, M. A., Cannon, K., Capocasa, E., Chan, M., Chen, C., Chen, K., Chen, Y., Chu, H., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Eguchi, S., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Ge, G., Hagiwara, A., Haino, S., Hasegawa, K., Hashino, K., Hayakawa, H., Hayama, K., Himemoto, Y., Hiranuma, Y., Hirata, N., Hirobayashi, S., Hirose, E., Hong, Z., Hsieh, B. H., Huang, G-Z., Huang, P., Huang, Y., Ikenoue, B., Imam, S., Inayoshi, K., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Jung, K., Jung, P., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawaguchi, K., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kita, N., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozakai, C., Kozu, R., Kumar, R., Kume, J., Kuo, C., Kuo, H-S., Kuroyanagi, S., Kusayanagi, K., Kwak, K., Lee, H. K., Lee, H. M., Lee, H. W., Lee, R., Leonardi, M., Lin, C., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Luo, L., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyazaki, Y., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Nakashima, R., Narikawa, T., Naticchioni, L., Negishi, R., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Obuchi, Y., Ochi, T., Ogaki, W., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Oohara, K., Ooi, C. P., Oshino, S., Pan, K., Pang, H., Park, J., Arellano, F. E. Pena, Pinto, I., Sago, N., Saijo, M., Saito, S., Saito, Y., Sakai, K., Sakai, Y., Sakuno, Y., Sasaki, M., Sasaki, Y., Sato, S., Sato, T., Sawada, T., Sekiguchi, T., Sekiguchi, Y., Seto, N., Shibagaki, S., Shibata, M., Shimizu, R., Shimoda, T., Shimode, K., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Sotani, H., Suemasa, A., Sugimoto, R., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takano, S., Takeda, H., Takeda, M., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Telada, S., Tomaru, T., Tomigami, Y., Tomura, T., Travasso, F., Trozzo, L., Tsang, T., Tsubono, K., Tsuchida, S., Tsuzuki, T., Tuyenbayev, D., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueki, S., Ueno, K., Ueshima, G., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Wang, J., Wu, C., Wu, H., Wu, S., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhao, Y., and Zhu, Z. -H.
Abstract: We apply the independent component analysis (ICA) to the real data from a gravitational wave detector for the first time. Specifically we use the iKAGRA data taken in April 2016, and calculate the correlations between the gravitational wave strain channel and 35 physical environmental channels. Using a couple of seismic channels which are found to be strongly correlated with the strain, we perform ICA. Injecting a sinusoidal continuous signal in the strain channel, we find that ICA recovers correct parameters with enhanced signal-to-noise ratio, which demonstrates usefulness of this method. Among the two implementations of ICA used here, we find the correlation method yields the optimal result for the case environmental noises act on the strain channel linearly., Comment: 27 pages, 12 figures : published in PTEP with added discussion about the relation between ICA and Wiener filtering
Published: 2019
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5. First cryogenic test operation of underground km-scale gravitational-wave observatory KAGRA

Author: KAGRA Collaboration, Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Baiotti, L., Barton, M. A., Cannon, K., Capocasa, E., Chen, C-S., Chiu, T-W., Cho, K., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Hagiwara, A., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Huang, C-Z., Ikenoue, B., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozu, R., Kumar, R., Kuo, H-S., Kuroyanagi, S., Lee, H. K., Lee, H. M., Lee, H. W., Leonardi, M., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Murakami, I., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Namai, Y., Narikawa, T., Naticchioni, L., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Obuchi, Y., Ochi, T., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Ono, K., Oohara, K., Ooi, C. P., Pan, S-S., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Saitou, S., Sakai, K., Sakai, Y., Sasai, M., Sasaki, M., Sasaki, Y., Sato, N., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Suemasa, A., Suzuki, T., Tagoshi, H., Tahara, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Terashima, S., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueki, S., Ueno, K., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Watanabe, Y., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhu, Z. -H., KAGRA Collaboration, Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Baiotti, L., Barton, M. A., Cannon, K., Capocasa, E., Chen, C-S., Chiu, T-W., Cho, K., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Hagiwara, A., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Huang, C-Z., Ikenoue, B., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozu, R., Kumar, R., Kuo, H-S., Kuroyanagi, S., Lee, H. K., Lee, H. M., Lee, H. W., Leonardi, M., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Murakami, I., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Namai, Y., Narikawa, T., Naticchioni, L., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Obuchi, Y., Ochi, T., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Ono, K., Oohara, K., Ooi, C. P., Pan, S-S., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Saitou, S., Sakai, K., Sakai, Y., Sasai, M., Sasaki, M., Sasaki, Y., Sato, N., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Suemasa, A., Suzuki, T., Tagoshi, H., Tahara, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Terashima, S., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueki, S., Ueno, K., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Watanabe, Y., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., and Zhu, Z. -H.
Abstract: KAGRA is a second-generation interferometric gravitational-wave detector with 3-km arms constructed at Kamioka, Gifu in Japan. It is now in its final installation phase, which we call bKAGRA (baseline KAGRA), with scientific observations expected to begin in late 2019. One of the advantages of KAGRA is its underground location of at least 200 m below the ground surface, which brings small seismic motion at low frequencies and high stability of the detector. Another advantage is that it cools down the sapphire test mass mirrors to cryogenic temperatures to reduce thermal noise. In April-May 2018, we have operated a 3-km Michelson interferometer with a cryogenic test mass for 10 days, which was the first time that km-scale interferometer was operated at cryogenic temperatures. In this article, we report the results of this "bKAGRA Phase 1" operation. We have demonstrated the feasibility of 3-km interferometer alignment and control with cryogenic mirrors., Comment: 23 pages, 11 figures
Published: 2019
Full Text: View/download PDF

6. First cryogenic test operation of underground km-scale gravitational-wave observatory KAGRA

Author: KAGRA Collaboration, Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Baiotti, L., Barton, M. A., Cannon, K., Capocasa, E., Chen, C-S., Chiu, T-W., Cho, K., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Hagiwara, A., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Huang, C-Z., Ikenoue, B., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozu, R., Kumar, R., Kuo, H-S., Kuroyanagi, S., Lee, H. K., Lee, H. M., Lee, H. W., Leonardi, M., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Murakami, I., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Namai, Y., Narikawa, T., Naticchioni, L., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Obuchi, Y., Ochi, T., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Ono, K., Oohara, K., Ooi, C. P., Pan, S-S., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Saitou, S., Sakai, K., Sakai, Y., Sasai, M., Sasaki, M., Sasaki, Y., Sato, N., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Suemasa, A., Suzuki, T., Tagoshi, H., Tahara, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Terashima, S., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueki, S., Ueno, K., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Watanabe, Y., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhu, Z. -H., KAGRA Collaboration, Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Baiotti, L., Barton, M. A., Cannon, K., Capocasa, E., Chen, C-S., Chiu, T-W., Cho, K., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Hagiwara, A., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Huang, C-Z., Ikenoue, B., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozu, R., Kumar, R., Kuo, H-S., Kuroyanagi, S., Lee, H. K., Lee, H. M., Lee, H. W., Leonardi, M., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Murakami, I., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Namai, Y., Narikawa, T., Naticchioni, L., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Obuchi, Y., Ochi, T., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Ono, K., Oohara, K., Ooi, C. P., Pan, S-S., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Saitou, S., Sakai, K., Sakai, Y., Sasai, M., Sasaki, M., Sasaki, Y., Sato, N., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Suemasa, A., Suzuki, T., Tagoshi, H., Tahara, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Terashima, S., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueki, S., Ueno, K., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Watanabe, Y., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., and Zhu, Z. -H.
Abstract: KAGRA is a second-generation interferometric gravitational-wave detector with 3-km arms constructed at Kamioka, Gifu in Japan. It is now in its final installation phase, which we call bKAGRA (baseline KAGRA), with scientific observations expected to begin in late 2019. One of the advantages of KAGRA is its underground location of at least 200 m below the ground surface, which brings small seismic motion at low frequencies and high stability of the detector. Another advantage is that it cools down the sapphire test mass mirrors to cryogenic temperatures to reduce thermal noise. In April-May 2018, we have operated a 3-km Michelson interferometer with a cryogenic test mass for 10 days, which was the first time that km-scale interferometer was operated at cryogenic temperatures. In this article, we report the results of this "bKAGRA Phase 1" operation. We have demonstrated the feasibility of 3-km interferometer alignment and control with cryogenic mirrors., Comment: 23 pages, 11 figures
Published: 2019
Full Text: View/download PDF

7. Application of the independent component analysis to the iKAGRA data

Author: KAGRA Collaboration, Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Bae, Y., Baiotti, L., Bajpai, R., Barton, M. A., Cannon, K., Capocasa, E., Chan, M., Chen, C., Chen, K., Chen, Y., Chu, H., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Eguchi, S., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Ge, G., Hagiwara, A., Haino, S., Hasegawa, K., Hashino, K., Hayakawa, H., Hayama, K., Himemoto, Y., Hiranuma, Y., Hirata, N., Hirobayashi, S., Hirose, E., Hong, Z., Hsieh, B. H., Huang, G-Z., Huang, P., Huang, Y., Ikenoue, B., Imam, S., Inayoshi, K., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Jung, K., Jung, P., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawaguchi, K., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kita, N., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozakai, C., Kozu, R., Kumar, R., Kume, J., Kuo, C., Kuo, H-S., Kuroyanagi, S., Kusayanagi, K., Kwak, K., Lee, H. K., Lee, H. M., Lee, H. W., Lee, R., Leonardi, M., Lin, C., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Luo, L., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyazaki, Y., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Nakashima, R., Narikawa, T., Naticchioni, L., Negishi, R., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Obuchi, Y., Ochi, T., Ogaki, W., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Oohara, K., Ooi, C. P., Oshino, S., Pan, K., Pang, H., Park, J., Arellano, F. E. Pena, Pinto, I., Sago, N., Saijo, M., Saito, S., Saito, Y., Sakai, K., Sakai, Y., Sakuno, Y., Sasaki, M., Sasaki, Y., Sato, S., Sato, T., Sawada, T., Sekiguchi, T., Sekiguchi, Y., Seto, N., Shibagaki, S., Shibata, M., Shimizu, R., Shimoda, T., Shimode, K., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Sotani, H., Suemasa, A., Sugimoto, R., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takano, S., Takeda, H., Takeda, M., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Telada, S., Tomaru, T., Tomigami, Y., Tomura, T., Travasso, F., Trozzo, L., Tsang, T., Tsubono, K., Tsuchida, S., Tsuzuki, T., Tuyenbayev, D., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueki, S., Ueno, K., Ueshima, G., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Wang, J., Wu, C., Wu, H., Wu, S., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhao, Y., Zhu, Z. -H., KAGRA Collaboration, Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Bae, Y., Baiotti, L., Bajpai, R., Barton, M. A., Cannon, K., Capocasa, E., Chan, M., Chen, C., Chen, K., Chen, Y., Chu, H., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Eguchi, S., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Ge, G., Hagiwara, A., Haino, S., Hasegawa, K., Hashino, K., Hayakawa, H., Hayama, K., Himemoto, Y., Hiranuma, Y., Hirata, N., Hirobayashi, S., Hirose, E., Hong, Z., Hsieh, B. H., Huang, G-Z., Huang, P., Huang, Y., Ikenoue, B., Imam, S., Inayoshi, K., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Jung, K., Jung, P., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawaguchi, K., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kita, N., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozakai, C., Kozu, R., Kumar, R., Kume, J., Kuo, C., Kuo, H-S., Kuroyanagi, S., Kusayanagi, K., Kwak, K., Lee, H. K., Lee, H. M., Lee, H. W., Lee, R., Leonardi, M., Lin, C., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Luo, L., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyazaki, Y., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Nakashima, R., Narikawa, T., Naticchioni, L., Negishi, R., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Obuchi, Y., Ochi, T., Ogaki, W., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Oohara, K., Ooi, C. P., Oshino, S., Pan, K., Pang, H., Park, J., Arellano, F. E. Pena, Pinto, I., Sago, N., Saijo, M., Saito, S., Saito, Y., Sakai, K., Sakai, Y., Sakuno, Y., Sasaki, M., Sasaki, Y., Sato, S., Sato, T., Sawada, T., Sekiguchi, T., Sekiguchi, Y., Seto, N., Shibagaki, S., Shibata, M., Shimizu, R., Shimoda, T., Shimode, K., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Sotani, H., Suemasa, A., Sugimoto, R., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takano, S., Takeda, H., Takeda, M., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Telada, S., Tomaru, T., Tomigami, Y., Tomura, T., Travasso, F., Trozzo, L., Tsang, T., Tsubono, K., Tsuchida, S., Tsuzuki, T., Tuyenbayev, D., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueki, S., Ueno, K., Ueshima, G., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Wang, J., Wu, C., Wu, H., Wu, S., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhao, Y., and Zhu, Z. -H.
Abstract: We apply the independent component analysis (ICA) to the real data from a gravitational wave detector for the first time. Specifically we use the iKAGRA data taken in April 2016, and calculate the correlations between the gravitational wave strain channel and 35 physical environmental channels. Using a couple of seismic channels which are found to be strongly correlated with the strain, we perform ICA. Injecting a sinusoidal continuous signal in the strain channel, we find that ICA recovers correct parameters with enhanced signal-to-noise ratio, which demonstrates usefulness of this method. Among the two implementations of ICA used here, we find the correlation method yields the optimal result for the case environmental noises act on the strain channel linearly., Comment: 27 pages, 12 figures : published in PTEP with added discussion about the relation between ICA and Wiener filtering
Published: 2019
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8. KAGRA: 2.5 Generation Interferometric Gravitational Wave Detector

Author: Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Baiotti, L., Barton, M. A., Cannon, K., Capocasa, E., Chen, C-S., Chiu, T-W., Cho, K., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Huang, C-Z., Ikenoue, B., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozu, R., Kumar, R., Kuo, H-S., Kuroyanagi, S., Lee, H. K., Lee, H. M., Lee, H. W., Leonardi, M., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Narikawa, T., Naticchioni, L., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Ochi, T., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Ono, K., Oohara, K., Ooi, C. P., Pan, S-S., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Sakai, K., Sakai, Y., Sasai, M., Sasaki, M., Sasaki, Y., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Suemasa, A., Suzuki, T., Tagoshi, H., Tahara, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Uehara, T., Ueki, S., Ueno, K., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Watanabe, Y., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhu, Z. -H., Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Baiotti, L., Barton, M. A., Cannon, K., Capocasa, E., Chen, C-S., Chiu, T-W., Cho, K., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Huang, C-Z., Ikenoue, B., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozu, R., Kumar, R., Kuo, H-S., Kuroyanagi, S., Lee, H. K., Lee, H. M., Lee, H. W., Leonardi, M., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Narikawa, T., Naticchioni, L., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Ochi, T., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Ono, K., Oohara, K., Ooi, C. P., Pan, S-S., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Sakai, K., Sakai, Y., Sasai, M., Sasaki, M., Sasaki, Y., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Suemasa, A., Suzuki, T., Tagoshi, H., Tahara, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Uehara, T., Ueki, S., Ueno, K., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Watanabe, Y., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., and Zhu, Z. -H.
Abstract: The recent detections of gravitational waves (GWs) reported by LIGO/Virgo collaborations have made significant impact on physics and astronomy. A global network of GW detectors will play a key role to solve the unknown nature of the sources in coordinated observations with astronomical telescopes and detectors. Here we introduce KAGRA (former name LCGT; Large-scale Cryogenic Gravitational wave Telescope), a new GW detector with two 3-km baseline arms arranged in the shape of an "L", located inside the Mt. Ikenoyama, Kamioka, Gifu, Japan. KAGRA's design is similar to those of the second generations such as Advanced LIGO/Virgo, but it will be operating at the cryogenic temperature with sapphire mirrors. This low temperature feature is advantageous for improving the sensitivity around 100 Hz and is considered as an important feature for the third generation GW detector concept (e.g. Einstein Telescope of Europe or Cosmic Explorer of USA). Hence, KAGRA is often called as a 2.5 generation GW detector based on laser interferometry. The installation and commissioning of KAGRA is underway and its cryogenic systems have been successfully tested in May, 2018. KAGRA's first observation run is scheduled in late 2019, aiming to join the third observation run (O3) of the advanced LIGO/Virgo network. In this work, we describe a brief history of KAGRA and highlights of main feature. We also discuss the prospects of GW observation with KAGRA in the era of O3. When operating along with the existing GW detectors, KAGRA will be helpful to locate a GW source more accurately and to determine the source parameters with higher precision, providing information for follow-up observations of a GW trigger candidate., Comment: 6 pages, 3 figures (quality of some figures has been reduced)
Published: 2018
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9. Observation of Fine Time Structures in the Cosmic Proton and Helium Fluxes with the Alpha Magnetic Spectrometer on the International Space Station

Author: Massachusetts Institute of Technology. Department of Nuclear Science and Engineering, Becker, Ulrich J, Behlmann, Matthew Daniel, Burger, Joseph D, Cai, Xudong, Capell, Michael H, Chen, Andrew I, Choumilov, Evgueni, Choutko, Vitali, Dadzie, K., Egorov, Alexander, Eline, Alexandre, Feng, Jie, Fisher, Peter H, Galaktionov, Y., Heil, Melanie, Hsieh, Timothy Hwa-wei, Jia, Yi, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Kulemzin, Alexander, Lebedev, Alexei, Liu, Hu, Phan, Huy Duc, Plyaskin, Vasily, Qin, Xiaoting, Rozhkov, Andrey B., Ting, Samuel, Ting, S. M., Wang, X., Weng, Zhili, Xu, Wang, Yan, Qi, Zhang, Jing, Zhang, Zhan, Zuccon, Paolo, Aguilar, M., Ali Cavasonza, L., Alpat, B., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeğmez-du Pree, S., Battarbee, M., Battiston, R., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Cadoux, F., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, G. M., Chen, H. S., Chen, Y., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D’Urso, D., Eronen, T., Fiandrini, E., Formato, V., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Z. H., Li, Z. Y., Light, C., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Luo, X., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Pohl, M., Poireau, V., Popkow, A., Quadrani, L., Qi, X. M., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Schulz von Dratzig, A., Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X. Q., Wang, Z. X., Wei, C. C., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J. H., Zhang, S. W., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., AMS Collaboration, Massachusetts Institute of Technology. Department of Nuclear Science and Engineering, Becker, Ulrich J, Behlmann, Matthew Daniel, Burger, Joseph D, Cai, Xudong, Capell, Michael H, Chen, Andrew I, Choumilov, Evgueni, Choutko, Vitali, Dadzie, K., Egorov, Alexander, Eline, Alexandre, Feng, Jie, Fisher, Peter H, Galaktionov, Y., Heil, Melanie, Hsieh, Timothy Hwa-wei, Jia, Yi, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Kulemzin, Alexander, Lebedev, Alexei, Liu, Hu, Phan, Huy Duc, Plyaskin, Vasily, Qin, Xiaoting, Rozhkov, Andrey B., Ting, Samuel, Ting, S. M., Wang, X., Weng, Zhili, Xu, Wang, Yan, Qi, Zhang, Jing, Zhang, Zhan, Zuccon, Paolo, Aguilar, M., Ali Cavasonza, L., Alpat, B., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeğmez-du Pree, S., Battarbee, M., Battiston, R., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Cadoux, F., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, G. M., Chen, H. S., Chen, Y., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D’Urso, D., Eronen, T., Fiandrini, E., Formato, V., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Z. H., Li, Z. Y., Light, C., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Luo, X., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Pohl, M., Poireau, V., Popkow, A., Quadrani, L., Qi, X. M., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Schulz von Dratzig, A., Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X. Q., Wang, Z. X., Wei, C. C., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J. H., Zhang, S. W., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., and AMS Collaboration
Abstract: We present the precision measurement from May 2011 to May 2017 (79 Bartels rotations) of the proton fluxes at rigidities from 1 to 60 GV and the helium fluxes from 1.9 to 60 GV based on a total of 1×10⁹ events collected with the Alpha Magnetic Spectrometer aboard the International Space Station. This measurement is in solar cycle 24, which has the solar maximum in April 2014. We observed that, below 40 GV, the proton flux and the helium flux show nearly identical fine structures in both time and relative amplitude. The amplitudes of the flux structures decrease with increasing rigidity and vanish above 40 GV. The amplitudes of the structures are reduced during the time period, which started one year after solar maximum, when the proton and helium fluxes steadily increase. Above ∼3 GV the p/He flux ratio is time independent. We observed that below ∼3 GV the ratio has a long-term decrease coinciding with the period during which the fluxes start to rise.
Published: 2018

10. KAGRA: 2.5 Generation Interferometric Gravitational Wave Detector

Author: Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Baiotti, L., Barton, M. A., Cannon, K., Capocasa, E., Chen, C-S., Chiu, T-W., Cho, K., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Huang, C-Z., Ikenoue, B., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozu, R., Kumar, R., Kuo, H-S., Kuroyanagi, S., Lee, H. K., Lee, H. M., Lee, H. W., Leonardi, M., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Narikawa, T., Naticchioni, L., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Ochi, T., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Ono, K., Oohara, K., Ooi, C. P., Pan, S-S., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Sakai, K., Sakai, Y., Sasai, M., Sasaki, M., Sasaki, Y., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Suemasa, A., Suzuki, T., Tagoshi, H., Tahara, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Uehara, T., Ueki, S., Ueno, K., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Watanabe, Y., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhu, Z. -H., Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Bae, S., Baiotti, L., Barton, M. A., Cannon, K., Capocasa, E., Chen, C-S., Chiu, T-W., Cho, K., Chu, Y-K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Fukunaga, M., Fukushima, M., Furuhata, T., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Huang, C-Z., Ikenoue, B., Inoue, Y., Ioka, K., Itoh, Y., Izumi, K., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozu, R., Kumar, R., Kuo, H-S., Kuroyanagi, S., Lee, H. K., Lee, H. M., Lee, H. W., Leonardi, M., Lin, C-Y., Lin, F-L., Liu, G. C., Liu, Y., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyamoto, T., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, K., Nagano, S., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Narikawa, T., Naticchioni, L., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Ochi, T., Oh, J. J., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Ono, K., Oohara, K., Ooi, C. P., Pan, S-S., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Sakai, K., Sakai, Y., Sasai, M., Sasaki, M., Sasaki, Y., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Suemasa, A., Suzuki, T., Tagoshi, H., Tahara, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tanioka, S., Martin, E. N. Tapia San, Tatsumi, D., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Uehara, T., Ueki, S., Ueno, K., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Watanabe, Y., Xu, W-R., Yamada, T., Yamamoto, A., Yamamoto, K., Yamamoto, S., Yamamoto, T., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yoshioka, T., Yuzurihara, H., Zeidler, S., and Zhu, Z. -H.
Abstract: The recent detections of gravitational waves (GWs) reported by LIGO/Virgo collaborations have made significant impact on physics and astronomy. A global network of GW detectors will play a key role to solve the unknown nature of the sources in coordinated observations with astronomical telescopes and detectors. Here we introduce KAGRA (former name LCGT; Large-scale Cryogenic Gravitational wave Telescope), a new GW detector with two 3-km baseline arms arranged in the shape of an "L", located inside the Mt. Ikenoyama, Kamioka, Gifu, Japan. KAGRA's design is similar to those of the second generations such as Advanced LIGO/Virgo, but it will be operating at the cryogenic temperature with sapphire mirrors. This low temperature feature is advantageous for improving the sensitivity around 100 Hz and is considered as an important feature for the third generation GW detector concept (e.g. Einstein Telescope of Europe or Cosmic Explorer of USA). Hence, KAGRA is often called as a 2.5 generation GW detector based on laser interferometry. The installation and commissioning of KAGRA is underway and its cryogenic systems have been successfully tested in May, 2018. KAGRA's first observation run is scheduled in late 2019, aiming to join the third observation run (O3) of the advanced LIGO/Virgo network. In this work, we describe a brief history of KAGRA and highlights of main feature. We also discuss the prospects of GW observation with KAGRA in the era of O3. When operating along with the existing GW detectors, KAGRA will be helpful to locate a GW source more accurately and to determine the source parameters with higher precision, providing information for follow-up observations of a GW trigger candidate., Comment: 6 pages, 3 figures (quality of some figures has been reduced)
Published: 2018
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11. Observation of New Properties of Secondary Cosmic Rays Lithium, Beryllium, and Boron by the Alpha Magnetic Spectrometer on the International Space Station

Author: Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Behlmann, Matthew Daniel, Burger, Joseph D, Cai, Xudong, Capell, Michael H, Chen, Andrew I, Choumilov, Evgueni, Choutko, Vitali, Dadzie, K., Egorov, Alexander, Eline, Alexandre, Feng, Jie, Fisher, Peter H, Galaktionov, Y., Heil, Melanie, Hsieh, Timothy Hwa-wei, Jia, Yi, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Kulemzin, Alexander, Lebedev, Alexei, Liu, Hu, Phan, Huy Duc, Plyaskin, Vasily, Qin, Xiaoting, Rozhkov, Andrey B., Ting, Samuel, Marks Ting, Susan Carol, Wang, Xiaozhen, Weng, Zhili, Xu, Weiwei, Yan, Qi, Zhang, J., Zhang, Zhan, Zuccon, Paolo, Aguilar, M., Ali Cavasonza, L., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeğmez-du Pree, S., Battarbee, M., Battiston, R., Becker, U., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Burger, W. J., Cadoux, F., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D’Urso, D., Eronen, T., Fiandrini, E., Formato, V., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Pohl, M., Poireau, V., Quadrani, L., Qi, X. M., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Schulz von Dratzig, A., Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X. Q., Wang, Z. X., Wei, C. C., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J. H., Zhang, S. W., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., Zuccon, P., Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Behlmann, Matthew Daniel, Burger, Joseph D, Cai, Xudong, Capell, Michael H, Chen, Andrew I, Choumilov, Evgueni, Choutko, Vitali, Dadzie, K., Egorov, Alexander, Eline, Alexandre, Feng, Jie, Fisher, Peter H, Galaktionov, Y., Heil, Melanie, Hsieh, Timothy Hwa-wei, Jia, Yi, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Kulemzin, Alexander, Lebedev, Alexei, Liu, Hu, Phan, Huy Duc, Plyaskin, Vasily, Qin, Xiaoting, Rozhkov, Andrey B., Ting, Samuel, Marks Ting, Susan Carol, Wang, Xiaozhen, Weng, Zhili, Xu, Weiwei, Yan, Qi, Zhang, J., Zhang, Zhan, Zuccon, Paolo, Aguilar, M., Ali Cavasonza, L., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeğmez-du Pree, S., Battarbee, M., Battiston, R., Becker, U., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Burger, W. J., Cadoux, F., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D’Urso, D., Eronen, T., Fiandrini, E., Formato, V., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palermo, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Pohl, M., Poireau, V., Quadrani, L., Qi, X. M., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Schulz von Dratzig, A., Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X. Q., Wang, Z. X., Wei, C. C., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J. H., Zhang, S. W., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., and Zuccon, P.
Abstract: We report on the observation of new properties of secondary cosmic rays Li, Be, and B measured in the rigidity (momentum per unit charge) range 1.9 GV to 3.3 TV with a total of 5.4×10[superscript 6] nuclei collected by AMS during the first five years of operation aboard the International Space Station. The Li and B fluxes have an identical rigidity dependence above 7 GV and all three fluxes have an identical rigidity dependence above 30 GV with the Li/Be flux ratio of 2.0±0.1. The three fluxes deviate from a single power law above 200 GV in an identical way. This behavior of secondary cosmic rays has also been observed in the AMS measurement of primary cosmic rays He, C, and O but the rigidity dependences of primary cosmic rays and of secondary cosmic rays are distinctly different. In particular, above 200 GV, the secondary cosmic rays harden more than the primary cosmic rays.
Published: 2018

12. The status of KAGRA underground cryogenic gravitational wave telescope

Author: KAGRA Collaboration, Akutsu, T., Ando, M., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Barton, M. A., Cannon, K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Furuhata, T., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Inoue, Y., Ioka, K., Itoh, Y., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kambara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kim, C., Kim, H., Kim, J., Kim, Y., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kojima, Y., Kokeyama, K., Komori, K., Kotake, K., Kumar, R., Lee, H., Liu, Y., Luca, N., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Miyakawa, O., Miyamoto, T., Miyamoto, A., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, S., Nagano, K., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Narikawa, T., Quynh, L. Nguyen, Ni, W. -T., Ochi, T., Oh, J., Oh, S., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Oohara, K., Alleano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Sakai, K., Sakai, Y., Sasaki, Y., Sasaki, M., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shoda, A., Somiya, K., Son, E., Suemasa, A., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tatsumi, D., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Uehara, T., Ueki, S., Ueno, K., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Yamada, T., Yamamoto, S., Yamamoto, T., Yamamoto, K., Yamamoto, A., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yuzurihara, H., Zeidler, S., Zhu, Z. -H., KAGRA Collaboration, Akutsu, T., Ando, M., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Barton, M. A., Cannon, K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Furuhata, T., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Inoue, Y., Ioka, K., Itoh, Y., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kambara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kim, C., Kim, H., Kim, J., Kim, Y., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kojima, Y., Kokeyama, K., Komori, K., Kotake, K., Kumar, R., Lee, H., Liu, Y., Luca, N., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Miyakawa, O., Miyamoto, T., Miyamoto, A., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, S., Nagano, K., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Narikawa, T., Quynh, L. Nguyen, Ni, W. -T., Ochi, T., Oh, J., Oh, S., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Oohara, K., Alleano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Sakai, K., Sakai, Y., Sasaki, Y., Sasaki, M., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shoda, A., Somiya, K., Son, E., Suemasa, A., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tatsumi, D., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Uehara, T., Ueki, S., Ueno, K., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Yamada, T., Yamamoto, S., Yamamoto, T., Yamamoto, K., Yamamoto, A., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yuzurihara, H., Zeidler, S., and Zhu, Z. -H.
Abstract: KAGRA is a 3-km interferometric gravitational wave telescope located in the Kamioka mine in Japan. It is the first km-class gravitational wave telescope constructed underground to reduce seismic noise, and the first km-class telescope to use cryogenic cooling of test masses to reduce thermal noise. The construction of the infrastructure to house the interferometer in the tunnel, and the initial phase operation of the interferometer with a simple 3-km Michelson configuration have been completed. The first cryogenic operation is expected in 2018, and the observing runs with a full interferometer are expected in 2020s. The basic interferometer configuration and the current status of KAGRA are described., Comment: 7 pages, 2 figures. Proceedings for XV International Conference on Topics in Astroparticle and Underground Physics (TAUP2017), Sudbury, July 24-28, 2017
Published: 2017
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13. Observation of the Identical Rigidity Dependence of He, C, and O Cosmic Rays at High Rigidities by the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Ali Cavasonza, L, Alpat, B, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeğmez-du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Burger, W, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demakov, O, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Schulz von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Aguilar, M, Ali Cavasonza, L, Alpat, B, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeğmez-du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Burger, W, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demakov, O, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Schulz von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, and Zuccon, P
Abstract: We report the observation of new properties of primary cosmic rays He, C, and O measured in the rigidity (momentum/charge) range 2 GV to 3 TV with 90×106 helium, 8.4×106 carbon, and 7.0×106 oxygen nuclei collected by the Alpha Magnetic Spectrometer (AMS) during the first five years of operation. Above 60 GV, these three spectra have identical rigidity dependence. They all deviate from a single power law above 200 GV and harden in an identical way.
Published: 2017

14. Observation of the Identical Rigidity Dependence of He, C, and O Cosmic Rays at High Rigidities by the Alpha Magnetic Spectrometer on the International Space Station

Author: Massachusetts Institute of Technology. Department of Materials Science and Engineering, Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Becker, Ulrich J, Behlmann, Matthew Daniel, Burger, Joseph D, Cai, Xudong, Capell, Michael H, Chen, Andrew I, Choumilov, Evgueni, Choutko, Vitali, Dadzie, K., Demakov, O., Egorov, Alexander, Eline, Alexandre, Feng, Jie, Fisher, Peter H, Galaktionov, Y., Heil, Melanie, Hsieh, Timothy Hwa-wei, Jia, Yi, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Kulemzin, Alexander, Lebedev, Alexei, Liu, Hu, Phan, Huy Duc, Plyaskin, Vasily, Qin, Xiaoting, Rozhkov, Andrey B., Ting, Samuel, Ting, Steve M, Wang, X., Weng, Zhili, Xu, Weiwei, Yan, Qi, Zhang, J., Zhang, Zhan, Zuccon, Paolo, Aguilar, M., Ali Cavasonza, L., Alpat, B., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeğmez-du Pree, S., Battarbee, M., Battiston, R., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Burger, W. J., Cadoux, F., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D’Urso, D., Eronen, T., Fiandrini, E., Formato, V., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Pohl, M., Poireau, V., Quadrani, L., Qi, X. M., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Schulz von Dratzig, A., Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Vitillo, S., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X. Q., Wang, Z. X., Wei, C. C., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Yan, Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J. H., Zhang, S. W., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., AMS Collaboration, Massachusetts Institute of Technology. Department of Materials Science and Engineering, Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Becker, Ulrich J, Behlmann, Matthew Daniel, Burger, Joseph D, Cai, Xudong, Capell, Michael H, Chen, Andrew I, Choumilov, Evgueni, Choutko, Vitali, Dadzie, K., Demakov, O., Egorov, Alexander, Eline, Alexandre, Feng, Jie, Fisher, Peter H, Galaktionov, Y., Heil, Melanie, Hsieh, Timothy Hwa-wei, Jia, Yi, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Kulemzin, Alexander, Lebedev, Alexei, Liu, Hu, Phan, Huy Duc, Plyaskin, Vasily, Qin, Xiaoting, Rozhkov, Andrey B., Ting, Samuel, Ting, Steve M, Wang, X., Weng, Zhili, Xu, Weiwei, Yan, Qi, Zhang, J., Zhang, Zhan, Zuccon, Paolo, Aguilar, M., Ali Cavasonza, L., Alpat, B., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Başeğmez-du Pree, S., Battarbee, M., Battiston, R., Beischer, B., Berdugo, J., Bertucci, B., Bindel, K. F., Bindi, V., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Boschini, M. J., Bourquin, M., Bueno, E. F., Burger, W. J., Cadoux, F., Caroff, S., Casaus, J., Castellini, G., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Datta, A., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Dimiccoli, F., Díaz, C., von Doetinchem, P., Dong, F., Donnini, F., Duranti, M., D’Urso, D., Eronen, T., Fiandrini, E., Formato, V., Gallucci, G., García-López, R. J., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gómez-Coral, D. M., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guo, K. H., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, H., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kang, S. C., Kanishev, K., Khiali, B., Kim, G. N., Kim, K. S., Kirn, Th., Konak, C., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Li, H. S., Li, J. Q., Li, Q., Li, T. X., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Lordello, V. D., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Lyu, S. S., Machate, F., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mikuni, V. M., Mo, D. C., Mott, P., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Oliva, A., Orcinha, M., Palmonari, F., Palomares, C., Paniccia, M., Pauluzzi, M., Pensotti, S., Perrina, C., Picot-Clemente, N., Pilo, F., Pizzolotto, C., Pohl, M., Poireau, V., Quadrani, L., Qi, X. M., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rosier-Lees, S., Rozza, D., Sagdeev, R., Schael, S., Schmidt, S. M., Schulz von Dratzig, A., Schwering, G., Seo, E. S., Shan, B. S., Shi, J. Y., Siedenburg, T., Son, D., Song, J. W., Tacconi, M., Tang, X. W., Tang, Z. C., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Valtonen, E., Vázquez Acosta, M., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Vitillo, S., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, X. Q., Wang, Z. X., Wei, C. C., Whitman, K., Wu, H., Wu, X., Xiong, R. Q., Yan, Q., Yang, J., Yang, M., Yang, Y., Yi, H., Yu, Y. J., Yu, Z. Q., Zannoni, M., Zeissler, S., Zhang, C., Zhang, F., Zhang, J. H., Zhang, S. W., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., and AMS Collaboration
Abstract: We report the observation of new properties of primary cosmic rays He, C, and O measured in the rigidity (momentum/charge) range 2 GV to 3 TV with 90×10⁶ helium, 8.4×10⁶ carbon, and 7.0×10⁶ oxygen nuclei collected by the Alpha Magnetic Spectrometer (AMS) during the first five years of operation. Above 60 GV, these three spectra have identical rigidity dependence. They all deviate from a single power law above 200 GV and harden in an identical way.
Published: 2017

15. The status of KAGRA underground cryogenic gravitational wave telescope

Author: KAGRA Collaboration, Akutsu, T., Ando, M., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Barton, M. A., Cannon, K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Furuhata, T., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Inoue, Y., Ioka, K., Itoh, Y., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kambara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kim, C., Kim, H., Kim, J., Kim, Y., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kojima, Y., Kokeyama, K., Komori, K., Kotake, K., Kumar, R., Lee, H., Liu, Y., Luca, N., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Miyakawa, O., Miyamoto, T., Miyamoto, A., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, S., Nagano, K., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Narikawa, T., Quynh, L. Nguyen, Ni, W. -T., Ochi, T., Oh, J., Oh, S., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Oohara, K., Alleano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Sakai, K., Sakai, Y., Sasaki, Y., Sasaki, M., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shoda, A., Somiya, K., Son, E., Suemasa, A., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tatsumi, D., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Uehara, T., Ueki, S., Ueno, K., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Yamada, T., Yamamoto, S., Yamamoto, T., Yamamoto, K., Yamamoto, A., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yuzurihara, H., Zeidler, S., Zhu, Z. -H., KAGRA Collaboration, Akutsu, T., Ando, M., Araya, A., Aritomi, N., Asada, H., Aso, Y., Atsuta, S., Awai, K., Barton, M. A., Cannon, K., Craig, K., Creus, W., Doi, K., Eda, K., Enomoto, Y., Flaminio, R., Fujii, Y., Fujimoto, M. -K., Furuhata, T., Haino, S., Hasegawa, K., Hashino, K., Hayama, K., Hirobayashi, S., Hirose, E., Hsieh, B. H., Inoue, Y., Ioka, K., Itoh, Y., Kaji, T., Kajita, T., Kakizaki, M., Kamiizumi, M., Kambara, S., Kanda, N., Kanemura, S., Kaneyama, M., Kang, G., Kasuya, J., Kataoka, Y., Kawai, N., Kawamura, S., Kim, C., Kim, H., Kim, J., Kim, Y., Kimura, N., Kinugawa, T., Kirii, S., Kitaoka, Y., Kojima, Y., Kokeyama, K., Komori, K., Kotake, K., Kumar, R., Lee, H., Liu, Y., Luca, N., Majorana, E., Mano, S., Marchio, M., Matsui, T., Matsushima, F., Michimura, Y., Miyakawa, O., Miyamoto, T., Miyamoto, A., Miyo, K., Miyoki, S., Morii, W., Morisaki, S., Moriwaki, Y., Morozumi, T., Musha, M., Nagano, S., Nagano, K., Nakamura, K., Nakamura, T., Nakano, H., Nakano, M., Nakao, K., Narikawa, T., Quynh, L. Nguyen, Ni, W. -T., Ochi, T., Oh, J., Oh, S., Ohashi, M., Ohishi, N., Ohkawa, M., Okutomi, K., Oohara, K., Alleano, F. E. Peña, Pinto, I., Sago, N., Saijo, M., Saito, Y., Sakai, K., Sakai, Y., Sasaki, Y., Sasaki, M., Sato, S., Sato, T., Sekiguchi, Y., Seto, N., Shibata, M., Shimoda, T., Shinkai, H., Shoda, A., Somiya, K., Son, E., Suemasa, A., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takeda, H., Tanaka, H., Tanaka, K., Tanaka, T., Tatsumi, D., Tomaru, T., Tomura, T., Travasso, F., Tsubono, K., Tsuchida, S., Uchikata, N., Uchiyama, T., Uehara, T., Ueki, S., Ueno, K., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wada, S., Wakamatsu, T., Yamada, T., Yamamoto, S., Yamamoto, T., Yamamoto, K., Yamamoto, A., Yokoyama, J., Yokozawa, T., Yoon, T. H., Yuzurihara, H., Zeidler, S., and Zhu, Z. -H.
Abstract: KAGRA is a 3-km interferometric gravitational wave telescope located in the Kamioka mine in Japan. It is the first km-class gravitational wave telescope constructed underground to reduce seismic noise, and the first km-class telescope to use cryogenic cooling of test masses to reduce thermal noise. The construction of the infrastructure to house the interferometer in the tunnel, and the initial phase operation of the interferometer with a simple 3-km Michelson configuration have been completed. The first cryogenic operation is expected in 2018, and the observing runs with a full interferometer are expected in 2020s. The basic interferometer configuration and the current status of KAGRA are described., Comment: 7 pages, 2 figures. Proceedings for XV International Conference on Topics in Astroparticle and Underground Physics (TAUP2017), Sudbury, July 24-28, 2017
Published: 2017
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16. Observation of the Identical Rigidity Dependence of He, C, and O Cosmic Rays at High Rigidities by the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Ali Cavasonza, L, Alpat, B, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeğmez-du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Burger, W, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demakov, O, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Schulz von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Aguilar, M, Ali Cavasonza, L, Alpat, B, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeğmez-du Pree, S, Battarbee, M, Battiston, R, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindel, K, Bindi, V, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Burger, W, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Creus, W, Crispoltoni, M, Cui, Z, Dadzie, K, Dai, Y, Datta, A, Delgado, C, Della Torre, S, Demakov, O, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Gómez-Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guo, K, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jia, Y, Jinchi, H, Kang, S, Kanishev, K, Khiali, B, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Kulemzin, A, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lordello, V, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lyu, S, Machate, F, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mikuni, V, Mo, D, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Perrina, C, Phan, H, Picot-Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Schael, S, Schmidt, S, Schulz von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Tacconi, M, Tang, X, Tang, Z, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wu, H, Wu, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zannoni, M, Zeissler, S, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, and Zuccon, P
Abstract: We report the observation of new properties of primary cosmic rays He, C, and O measured in the rigidity (momentum/charge) range 2 GV to 3 TV with 90×106 helium, 8.4×106 carbon, and 7.0×106 oxygen nuclei collected by the Alpha Magnetic Spectrometer (AMS) during the first five years of operation. Above 60 GV, these three spectra have identical rigidity dependence. They all deviate from a single power law above 200 GV and harden in an identical way.
Published: 2017

17. Antiproton Flux, Antiproton-to-Proton Flux Ratio, and Properties of Elementary Particle Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Ali Cavasonza, L, Alpat, B, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeǧmez du Pree, S, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindi, V, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cernuda, I, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Finch, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Goglov, P, Gómez Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guerri, I, Guo, K, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kang, S, Kanishev, K, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Schael, S, Schmidt, S, Schulz von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Sun, W, Tacconi, M, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wienkenhöver, J, Willenbrock, M, Wu, H, Wu, X, Xia, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, C, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhu, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, Zuccon, P., Aguilar, M, Ali Cavasonza, L, Alpat, B, Ambrosi, G, Arruda, L, Attig, N, Aupetit, S, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Başeǧmez du Pree, S, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindi, V, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Boschini, M, Bourquin, M, Bueno, E, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cernuda, I, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Dimiccoli, F, Díaz, C, von Doetinchem, P, Dong, F, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eronen, T, Feng, J, Fiandrini, E, Finch, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Goglov, P, Gómez Coral, D, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guerri, I, Guo, K, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, H, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kang, S, Kanishev, K, Kim, G, Kim, K, Kirn, T, Konak, C, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Pauluzzi, M, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Schael, S, Schmidt, S, Schulz von Dratzig, A, Schwering, G, Seo, E, Shan, B, Shi, J, Siedenburg, T, Son, D, Song, J, Sun, W, Tacconi, M, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vázquez Acosta, M, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, X, Wang, Z, Wei, C, Weng, Z, Whitman, K, Wienkenhöver, J, Willenbrock, M, Wu, H, Wu, X, Xia, X, Xiong, R, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, C, Zhang, J, Zhang, S, Zhang, Z, Zheng, Z, Zhu, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, and Zuccon, P.
Abstract: A precision measurement by AMS of the antiproton flux and the antiproton-to-proton flux ratio in primary cosmic rays in the absolute rigidity range from 1 to 450 GV is presented based on 3.49×105 antiproton events and 2.42×109 proton events. The fluxes and flux ratios of charged elementary particles in cosmic rays are also presented. In the absolute rigidity range ∼60 to ∼500 GV, the antiproton p, proton p, and positron e+ fluxes are found to have nearly identical rigidity dependence and the electron e- flux exhibits a different rigidity dependence. Below 60 GV, the (p/p), (p/e+), and (p/e+) flux ratios each reaches a maximum. From ∼60 to ∼500 GV, the (p/p), (p/e+), and (p/e+) flux ratios show no rigidity dependence. These are new observations of the properties of elementary particles in the cosmos.
Published: 2016

18. Scintillation efficiency of liquid argon in low energy neutron-argon scattering

Author: Creus, W., Allkofer, Y., Amsler, C., Ferella, Alfredo D., Rochet, J., Scotto-Lavina, L., Walter, M., Creus, W., Allkofer, Y., Amsler, C., Ferella, Alfredo D., Rochet, J., Scotto-Lavina, L., and Walter, M.
Abstract: Experiments searching for weak interacting massive particles with noble gases such as liquid argon require very low detection thresholds for nuclear recoils. A determination of the scintillation efficiency is crucial to quantify the response of the detector at low energy. We report the results obtained with a small liquid argon cell using a monoenergetic neutron beam produced by a deuterium-deuterium fusion source. The light yield relative to electrons was measured for six argon recoil energies between 11 and 120 keV at zero electric drift field.
Published: 2015
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19. Scintillation efficiency of liquid argon in low energy neutron-argon scattering

Author: Creus, W., Allkofer, Y., Amsler, C., Ferella, A. D., Rochet, J., Scotto-Lavina, L., Walter, M., Creus, W., Allkofer, Y., Amsler, C., Ferella, A. D., Rochet, J., Scotto-Lavina, L., and Walter, M.
Abstract: Experiments searching for weak interacting massive particles with noble gases such as liquid argon require very low detection thresholds for nuclear recoils. A determination of the scintillation efficiency is crucial to quantify the response of the detector at low energy. We report the results obtained with a small liquid argon cell using a monoenergetic neutron beam produced by a deuterium-deuterium fusion source. The light yield relative to electrons was measured for six argon recoil energies between 11 and 120 keV at zero electric drift field., Comment: 21 pages, 19 figures, 4 tables
Published: 2015
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20. Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

Author: Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Becker, Ulrich J., Behlmann, Matthew Daniel, Burger, Joseph D., Cai, Xudong, Capell, Michael H., Chen, Andrew I., Chen, Hai, Choumilov, Evgueni, Choutko, Vitali, Eline, Alexandre, Eppling, Frederic J., Fisher, Peter H., Galaktionov, Y., Goglov, Pavel, Heil, Melanie, Hsieh, Timothy Hwa-wei, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Krafczyk, Matthew Scott, Lebedev, Alexei, Li, Q., Plyaskin, Vasily, Rozhkov, Andrey B., Shi, X. Y., Sun, W. H., Ting, Samuel, Ting, Susan Marks, Vaurynovich, Siarhei S., Wang, Xiaozhen, Weng, Zhili, Xie, M., Xu, Weiwei, Yan, Qi, Zuccon, Paolo, Aguilar, M., Aisa, D., Alpat, B., Alvino, A., Ambrosi, G., Andeen, K., Arruda, L., Attig, N., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Battarbee, M., Battiston, R., Bazo, J., Beischer, B., Berdugo, J., Bertucci, B., Bigongiari, G., Bindi, V., Bizzaglia, S., Bizzarri, M., Boella, G., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Borsini, S., Boschini, M. J., Bourquin, M., Cadoux, F., Caroff, S., Casaus, J., Cascioli, V., Castellini, G., Cernuda, I., Cerreta, D., Cervelli, F., Chae, M. J., Chang, Y. H., Cheng, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Gil, E. Cortina, Coste, B., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Di Masso, L., Dimiccoli, F., Díaz, C., von Doetinchem, P., Donnini, F., Du, W. J., Duranti, M., D’Urso, D., Eronen, T., Fan, Y. Y., Farnesini, L., Feng, J., Fiandrini, E., Fiasson, A., Finch, E., Gallucci, G., García, B., García-López, R., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Gillard, W., Giovacchini, F., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guandalini, C., Guerri, I., Guo, K. H., Haas, D., Habiby, M., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kanishev, K., Kim, G. N., Kim, K. S., Kirn, Th., Kossakowski, R., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Levi, G., Li, H. L., Li, J. Q., Li, T. X., Li, W., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, H., Lolli, M., Lomtadze, T., Lu, M. J., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, J. Z., Lv, S. S., Majka, R., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mo, D. C., Morescalchi, L., Mott, P., Müller, M., Ni, J. Q., Nikonov, N., Nozzoli, F., Nunes, P., Obermeier, A., Oliva, A., Orcinha, M., Palmonari, F., Palomares, C., Paniccia, M., Papi, A., Pauluzzi, M., Pedreschi, E., Pensotti, S., Pereira, R., Picot-Clemente, N., Pilo, F., Piluso, A., Pizzolotto, C., Pohl, M., Poireau, V., Postaci, E., Putze, A., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rodríguez, I., Rosier-Lees, S., Rozza, D., Sagdeev, R., Sandweiss, J., Saouter, P., Sbarra, C., Schael, S., Schmidt, S. M., von Dratzig, A. Schulz, Schwering, G., Scolieri, G., Seo, E. S., Shan, B. S., Shan, Y. H., Shi, J. Y., Shi, Y. M., Siedenburg, T., Son, D., Spada, F., Spinella, F., Sun, W., Tacconi, M., Tang, C. P., Tang, X. W., Tang, Z. C., Tao, L., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Vannini, C., Valtonen, E., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Vitillo, S., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, R. S., Wang, Z. X., Whitman, K., Wienkenhöver, J., Wu, H., Wu, X., Xia, X., Xie, S., Xiong, R. Q., Xin, G. M., Xu, N. S., Yang, J., Yang, M., Ye, Q. H., Yi, H., Yu, Y. J., Yu, Z. Q., Zeissler, S., Zhang, J. H., Zhang, M. T., Zhang, X. B., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., Zurbach, C., Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Becker, Ulrich J., Behlmann, Matthew Daniel, Burger, Joseph D., Cai, Xudong, Capell, Michael H., Chen, Andrew I., Chen, Hai, Choumilov, Evgueni, Choutko, Vitali, Eline, Alexandre, Eppling, Frederic J., Fisher, Peter H., Galaktionov, Y., Goglov, Pavel, Heil, Melanie, Hsieh, Timothy Hwa-wei, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Krafczyk, Matthew Scott, Lebedev, Alexei, Li, Q., Plyaskin, Vasily, Rozhkov, Andrey B., Shi, X. Y., Sun, W. H., Ting, Samuel, Ting, Susan Marks, Vaurynovich, Siarhei S., Wang, Xiaozhen, Weng, Zhili, Xie, M., Xu, Weiwei, Yan, Qi, Zuccon, Paolo, Aguilar, M., Aisa, D., Alpat, B., Alvino, A., Ambrosi, G., Andeen, K., Arruda, L., Attig, N., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Battarbee, M., Battiston, R., Bazo, J., Beischer, B., Berdugo, J., Bertucci, B., Bigongiari, G., Bindi, V., Bizzaglia, S., Bizzarri, M., Boella, G., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Borsini, S., Boschini, M. J., Bourquin, M., Cadoux, F., Caroff, S., Casaus, J., Cascioli, V., Castellini, G., Cernuda, I., Cerreta, D., Cervelli, F., Chae, M. J., Chang, Y. H., Cheng, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Gil, E. Cortina, Coste, B., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Di Masso, L., Dimiccoli, F., Díaz, C., von Doetinchem, P., Donnini, F., Du, W. J., Duranti, M., D’Urso, D., Eronen, T., Fan, Y. Y., Farnesini, L., Feng, J., Fiandrini, E., Fiasson, A., Finch, E., Gallucci, G., García, B., García-López, R., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Gillard, W., Giovacchini, F., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guandalini, C., Guerri, I., Guo, K. H., Haas, D., Habiby, M., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kanishev, K., Kim, G. N., Kim, K. S., Kirn, Th., Kossakowski, R., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Levi, G., Li, H. L., Li, J. Q., Li, T. X., Li, W., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, H., Lolli, M., Lomtadze, T., Lu, M. J., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, J. Z., Lv, S. S., Majka, R., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mo, D. C., Morescalchi, L., Mott, P., Müller, M., Ni, J. Q., Nikonov, N., Nozzoli, F., Nunes, P., Obermeier, A., Oliva, A., Orcinha, M., Palmonari, F., Palomares, C., Paniccia, M., Papi, A., Pauluzzi, M., Pedreschi, E., Pensotti, S., Pereira, R., Picot-Clemente, N., Pilo, F., Piluso, A., Pizzolotto, C., Pohl, M., Poireau, V., Postaci, E., Putze, A., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rodríguez, I., Rosier-Lees, S., Rozza, D., Sagdeev, R., Sandweiss, J., Saouter, P., Sbarra, C., Schael, S., Schmidt, S. M., von Dratzig, A. Schulz, Schwering, G., Scolieri, G., Seo, E. S., Shan, B. S., Shan, Y. H., Shi, J. Y., Shi, Y. M., Siedenburg, T., Son, D., Spada, F., Spinella, F., Sun, W., Tacconi, M., Tang, C. P., Tang, X. W., Tang, Z. C., Tao, L., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Vannini, C., Valtonen, E., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Vitillo, S., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, R. S., Wang, Z. X., Whitman, K., Wienkenhöver, J., Wu, H., Wu, X., Xia, X., Xie, S., Xiong, R. Q., Xin, G. M., Xu, N. S., Yang, J., Yang, M., Ye, Q. H., Yi, H., Yu, Y. J., Yu, Z. Q., Zeissler, S., Zhang, J. H., Zhang, M. T., Zhang, X. B., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., and Zurbach, C.
Abstract: A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.
Published: 2015

21. Precision Measurement of the Helium Flux in Primary Cosmic Rays of Rigidities 1.9 GV to 3 TV with the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M, Bourquin, M, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cernuda, I, Cerreta, D, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Gil, E, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eppling, F, Eronen, T, Fan, Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K, Haas, D, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kanishev, K, Kim, G, Kim, K, Kirn, T, Korkmaz, M, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lolli, M, Lomtadze, T, Lu, M, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Müller, M, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Schael, S, Schmidt, S, von Dratzig, A, Schwering, G, Scolieri, G, Seo, E, Shan, B, Shan, Y, Shi, J, Shi, X, Shi, Y, Siedenburg, T, Son, D, Song, J, Spada, F, Spinella, F, Sun, W, Tacconi, M, Tang, C, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, R, Wang, X, Wang, Z, Weng, Z, Whitman, K, Wienkenhöver, J, Willenbrock, M, Wu, H, Wu, X, Xia, X, Xie, M, Xie, S, Xiong, R, Xu, N, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Ye, Q, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, C, Zhang, J, Zhang, M, Zhang, S, Zhang, X, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, Zuccon, P., Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M, Bourquin, M, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cernuda, I, Cerreta, D, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Gil, E, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eppling, F, Eronen, T, Fan, Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K, Haas, D, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kanishev, K, Kim, G, Kim, K, Kirn, T, Korkmaz, M, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lolli, M, Lomtadze, T, Lu, M, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Müller, M, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Schael, S, Schmidt, S, von Dratzig, A, Schwering, G, Scolieri, G, Seo, E, Shan, B, Shan, Y, Shi, J, Shi, X, Shi, Y, Siedenburg, T, Son, D, Song, J, Spada, F, Spinella, F, Sun, W, Tacconi, M, Tang, C, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, R, Wang, X, Wang, Z, Weng, Z, Whitman, K, Wienkenhöver, J, Willenbrock, M, Wu, H, Wu, X, Xia, X, Xie, M, Xie, S, Xiong, R, Xu, N, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Ye, Q, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, C, Zhang, J, Zhang, M, Zhang, S, Zhang, X, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, and Zuccon, P.
Abstract: Knowledge of the precise rigidity dependence of the helium flux is important in understanding the origin, acceleration, and propagation of cosmic rays. A precise measurement of the helium flux in primary cosmic rays with rigidity (momentum/charge) from 1.9 GV to 3 TV based on 50 million events is presented and compared to the proton flux. The detailed variation with rigidity of the helium flux spectral index is presented for the first time. The spectral index progressively hardens at rigidities larger than 100 GV. The rigidity dependence of the helium flux spectral index is similar to that of the proton spectral index though the magnitudes are different. Remarkably, the spectral index of the proton to helium flux ratio increases with rigidity up to 45 GV and then becomes constant; the flux ratio above 45 GV is well described by a single power law.
Published: 2015

22. Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bigongiari, G, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M, Bourquin, M, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Cascioli, V, Castellini, G, Cernuda, I, Cerreta, D, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, H, Cheng, G, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Gil, E, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Du, W, Duranti, M, D’Urso, D, Eline, A, Eppling, F, Eronen, T, Fan, Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Gillard, W, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K, Haas, D, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kanishev, K, Kim, G, Kim, K, Kirn, T, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Levi, G, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lolli, M, Lomtadze, T, Lu, M, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Müller, M, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Postaci, E, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Sbarra, C, Schael, S, Schmidt, S, von Dratzig, A, Schwering, G, Scolieri, G, Seo, E, Shan, B, Shan, Y, Shi, J, Shi, X, Shi, Y, Siedenburg, T, Son, D, Spada, F, Spinella, F, Sun, W, Tacconi, M, Tang, C, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, R, Wang, X, Wang, Z, Weng, Z, Whitman, K, Wienkenhöver, J, Wu, H, Wu, X, Xia, X, Xie, M, Xie, S, Xiong, R, Xin, G, Xu, N, Xu, W, Yan, Q, Yang, J, Yang, M, Ye, Q, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, J, Zhang, M, Zhang, X, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Zurbach, C, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, Zurbach, C., Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bigongiari, G, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M, Bourquin, M, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Cascioli, V, Castellini, G, Cernuda, I, Cerreta, D, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, H, Cheng, G, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Gil, E, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Du, W, Duranti, M, D’Urso, D, Eline, A, Eppling, F, Eronen, T, Fan, Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Gillard, W, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K, Haas, D, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kanishev, K, Kim, G, Kim, K, Kirn, T, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Levi, G, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lolli, M, Lomtadze, T, Lu, M, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Müller, M, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Postaci, E, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Sbarra, C, Schael, S, Schmidt, S, von Dratzig, A, Schwering, G, Scolieri, G, Seo, E, Shan, B, Shan, Y, Shi, J, Shi, X, Shi, Y, Siedenburg, T, Son, D, Spada, F, Spinella, F, Sun, W, Tacconi, M, Tang, C, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, R, Wang, X, Wang, Z, Weng, Z, Whitman, K, Wienkenhöver, J, Wu, H, Wu, X, Xia, X, Xie, M, Xie, S, Xiong, R, Xin, G, Xu, N, Xu, W, Yan, Q, Yang, J, Yang, M, Ye, Q, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, J, Zhang, M, Zhang, X, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Zurbach, C, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, and Zurbach, C.
Abstract: A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.
Published: 2015

23. Scintillation efficiency of liquid argon in low energy neutron-argon scattering

Author: Creus, W., Allkofer, Y., Amsler, C., Ferella, A. D., Rochet, J., Scotto-Lavina, L., Walter, M., Creus, W., Allkofer, Y., Amsler, C., Ferella, A. D., Rochet, J., Scotto-Lavina, L., and Walter, M.
Abstract: Experiments searching for weak interacting massive particles with noble gases such as liquid argon require very low detection thresholds for nuclear recoils. A determination of the scintillation efficiency is crucial to quantify the response of the detector at low energy. We report the results obtained with a small liquid argon cell using a monoenergetic neutron beam produced by a deuterium-deuterium fusion source. The light yield relative to electrons was measured for six argon recoil energies between 11 and 120 keV at zero electric drift field., Comment: 21 pages, 19 figures, 4 tables
Published: 2015
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24. Scintillation efficiency of liquid argon in low energy neutron-argon scattering

Author: Creus, W., Allkofer, Y., Amsler, C., Ferella, A. D., Rochet, J., Scotto-Lavina, L., Walter, M., Creus, W., Allkofer, Y., Amsler, C., Ferella, A. D., Rochet, J., Scotto-Lavina, L., and Walter, M.
Abstract: Experiments searching for weak interacting massive particles with noble gases such as liquid argon require very low detection thresholds for nuclear recoils. A determination of the scintillation efficiency is crucial to quantify the response of the detector at low energy. We report the results obtained with a small liquid argon cell using a monoenergetic neutron beam produced by a deuterium-deuterium fusion source. The light yield relative to electrons was measured for six argon recoil energies between 11 and 120 keV at zero electric drift field., Comment: 21 pages, 19 figures, 4 tables
Published: 2015
Full Text: View/download PDF

25. Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bigongiari, G, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M, Bourquin, M, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Cascioli, V, Castellini, G, Cernuda, I, Cerreta, D, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, H, Cheng, G, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Gil, E, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Du, W, Duranti, M, D’Urso, D, Eline, A, Eppling, F, Eronen, T, Fan, Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Gillard, W, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K, Haas, D, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kanishev, K, Kim, G, Kim, K, Kirn, T, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Levi, G, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lolli, M, Lomtadze, T, Lu, M, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Müller, M, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Postaci, E, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Sbarra, C, Schael, S, Schmidt, S, von Dratzig, A, Schwering, G, Scolieri, G, Seo, E, Shan, B, Shan, Y, Shi, J, Shi, X, Shi, Y, Siedenburg, T, Son, D, Spada, F, Spinella, F, Sun, W, Tacconi, M, Tang, C, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, R, Wang, X, Wang, Z, Weng, Z, Whitman, K, Wienkenhöver, J, Wu, H, Wu, X, Xia, X, Xie, M, Xie, S, Xiong, R, Xin, G, Xu, N, Xu, W, Yan, Q, Yang, J, Yang, M, Ye, Q, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, J, Zhang, M, Zhang, X, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Zurbach, C, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, Zurbach, C., Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bigongiari, G, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M, Bourquin, M, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Cascioli, V, Castellini, G, Cernuda, I, Cerreta, D, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, H, Cheng, G, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Gil, E, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Du, W, Duranti, M, D’Urso, D, Eline, A, Eppling, F, Eronen, T, Fan, Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Gillard, W, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K, Haas, D, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kanishev, K, Kim, G, Kim, K, Kirn, T, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Levi, G, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lolli, M, Lomtadze, T, Lu, M, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Müller, M, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Postaci, E, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Sbarra, C, Schael, S, Schmidt, S, von Dratzig, A, Schwering, G, Scolieri, G, Seo, E, Shan, B, Shan, Y, Shi, J, Shi, X, Shi, Y, Siedenburg, T, Son, D, Spada, F, Spinella, F, Sun, W, Tacconi, M, Tang, C, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, R, Wang, X, Wang, Z, Weng, Z, Whitman, K, Wienkenhöver, J, Wu, H, Wu, X, Xia, X, Xie, M, Xie, S, Xiong, R, Xin, G, Xu, N, Xu, W, Yan, Q, Yang, J, Yang, M, Ye, Q, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, J, Zhang, M, Zhang, X, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Zurbach, C, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, and Zurbach, C.
Abstract: A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.
Published: 2015

26. Precision Measurement of the Helium Flux in Primary Cosmic Rays of Rigidities 1.9 GV to 3 TV with the Alpha Magnetic Spectrometer on the International Space Station

Author: Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M, Bourquin, M, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cernuda, I, Cerreta, D, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Gil, E, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eppling, F, Eronen, T, Fan, Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K, Haas, D, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kanishev, K, Kim, G, Kim, K, Kirn, T, Korkmaz, M, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lolli, M, Lomtadze, T, Lu, M, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Müller, M, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Schael, S, Schmidt, S, von Dratzig, A, Schwering, G, Scolieri, G, Seo, E, Shan, B, Shan, Y, Shi, J, Shi, X, Shi, Y, Siedenburg, T, Son, D, Song, J, Spada, F, Spinella, F, Sun, W, Tacconi, M, Tang, C, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, R, Wang, X, Wang, Z, Weng, Z, Whitman, K, Wienkenhöver, J, Willenbrock, M, Wu, H, Wu, X, Xia, X, Xie, M, Xie, S, Xiong, R, Xu, N, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Ye, Q, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, C, Zhang, J, Zhang, M, Zhang, S, Zhang, X, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, Zuccon, P., Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M, Bourquin, M, Burger, J, Cadoux, F, Cai, X, Capell, M, Caroff, S, Casaus, J, Castellini, G, Cernuda, I, Cerreta, D, Cervelli, F, Chae, M, Chang, Y, Chen, A, Chen, G, Chen, H, Cheng, L, Chou, H, Choumilov, E, Choutko, V, Chung, C, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Gil, E, Coste, B, Creus, W, Crispoltoni, M, Cui, Z, Dai, Y, Delgado, C, Della Torre, S, Demirköz, M, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Duranti, M, D’Urso, D, Egorov, A, Eline, A, Eppling, F, Eronen, T, Fan, Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Formato, V, Galaktionov, Y, Gallucci, G, García, B, García López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K, Haas, D, Habiby, M, Haino, S, Han, K, He, Z, Heil, M, Hoffman, J, Hsieh, T, Huang, Z, Huh, C, Incagli, M, Ionica, M, Jang, W, Jinchi, H, Kanishev, K, Kim, G, Kim, K, Kirn, T, Korkmaz, M, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M, LA VACCA, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H, Lee, S, Leluc, C, Li, H, Li, J, Li, Q, Li, T, Li, W, Li, Y, Li, Z, Lim, S, Lin, C, Lipari, P, Lippert, T, Liu, D, Liu, H, Lolli, M, Lomtadze, T, Lu, M, Lu, S, Lu, Y, Luebelsmeyer, K, Luo, F, Luo, J, Lv, S, Majka, R, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca Rocha, A, Meng, Q, Mo, D, Morescalchi, L, Mott, P, Müller, M, Nelson, T, Ni, J, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Picot Clemente, N, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Putze, A, Quadrani, L, Qi, X, Qin, X, Qu, Z, Räihä, T, Rancoita, P, Rapin, D, Ricol, J, Rodríguez, I, Rosier Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Schael, S, Schmidt, S, von Dratzig, A, Schwering, G, Scolieri, G, Seo, E, Shan, B, Shan, Y, Shi, J, Shi, X, Shi, Y, Siedenburg, T, Son, D, Song, J, Spada, F, Spinella, F, Sun, W, Tacconi, M, Tang, C, Tang, X, Tang, Z, Tao, L, Tescaro, D, Ting, S, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J, Vitale, V, Vitillo, S, Wang, L, Wang, N, Wang, Q, Wang, R, Wang, X, Wang, Z, Weng, Z, Whitman, K, Wienkenhöver, J, Willenbrock, M, Wu, H, Wu, X, Xia, X, Xie, M, Xie, S, Xiong, R, Xu, N, Xu, W, Yan, Q, Yang, J, Yang, M, Yang, Y, Ye, Q, Yi, H, Yu, Y, Yu, Z, Zeissler, S, Zhang, C, Zhang, J, Zhang, M, Zhang, S, Zhang, X, Zhang, Z, Zheng, Z, Zhuang, H, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, BOELLA, GIULIANO FILIPPO, GERVASI, MASSIMO, LA VACCA, GIUSEPPE, PENSOTTI, SIMONETTA, ROZZA, DAVIDE, TACCONI, MAURO, and Zuccon, P.
Abstract: Knowledge of the precise rigidity dependence of the helium flux is important in understanding the origin, acceleration, and propagation of cosmic rays. A precise measurement of the helium flux in primary cosmic rays with rigidity (momentum/charge) from 1.9 GV to 3 TV based on 50 million events is presented and compared to the proton flux. The detailed variation with rigidity of the helium flux spectral index is presented for the first time. The spectral index progressively hardens at rigidities larger than 100 GV. The rigidity dependence of the helium flux spectral index is similar to that of the proton spectral index though the magnitudes are different. Remarkably, the spectral index of the proton to helium flux ratio increases with rigidity up to 45 GV and then becomes constant; the flux ratio above 45 GV is well described by a single power law.
Published: 2015

27. Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

Author: Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Becker, Ulrich J., Behlmann, Matthew Daniel, Burger, Joseph D., Cai, Xudong, Capell, Michael H., Chen, Andrew I., Chen, Hai, Choumilov, Evgueni, Choutko, Vitali, Eline, Alexandre, Eppling, Frederic J., Fisher, Peter H., Galaktionov, Y., Goglov, Pavel, Heil, Melanie, Hsieh, Timothy Hwa-wei, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Krafczyk, Matthew Scott, Lebedev, Alexei, Li, Q., Plyaskin, Vasily, Rozhkov, Andrey B., Shi, X. Y., Sun, W. H., Ting, Samuel, Ting, Susan Marks, Vaurynovich, Siarhei S., Wang, Xiaozhen, Weng, Zhili, Xie, M., Xu, Weiwei, Yan, Qi, Zuccon, Paolo, Aguilar, M., Aisa, D., Alpat, B., Alvino, A., Ambrosi, G., Andeen, K., Arruda, L., Attig, N., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Battarbee, M., Battiston, R., Bazo, J., Beischer, B., Berdugo, J., Bertucci, B., Bigongiari, G., Bindi, V., Bizzaglia, S., Bizzarri, M., Boella, G., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Borsini, S., Boschini, M. J., Bourquin, M., Cadoux, F., Caroff, S., Casaus, J., Cascioli, V., Castellini, G., Cernuda, I., Cerreta, D., Cervelli, F., Chae, M. J., Chang, Y. H., Cheng, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Gil, E. Cortina, Coste, B., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Di Masso, L., Dimiccoli, F., Díaz, C., von Doetinchem, P., Donnini, F., Du, W. J., Duranti, M., D’Urso, D., Eronen, T., Fan, Y. Y., Farnesini, L., Feng, J., Fiandrini, E., Fiasson, A., Finch, E., Gallucci, G., García, B., García-López, R., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Gillard, W., Giovacchini, F., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guandalini, C., Guerri, I., Guo, K. H., Haas, D., Habiby, M., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kanishev, K., Kim, G. N., Kim, K. S., Kirn, Th., Kossakowski, R., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Levi, G., Li, H. L., Li, J. Q., Li, T. X., Li, W., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, H., Lolli, M., Lomtadze, T., Lu, M. J., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, J. Z., Lv, S. S., Majka, R., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mo, D. C., Morescalchi, L., Mott, P., Müller, M., Ni, J. Q., Nikonov, N., Nozzoli, F., Nunes, P., Obermeier, A., Oliva, A., Orcinha, M., Palmonari, F., Palomares, C., Paniccia, M., Papi, A., Pauluzzi, M., Pedreschi, E., Pensotti, S., Pereira, R., Picot-Clemente, N., Pilo, F., Piluso, A., Pizzolotto, C., Pohl, M., Poireau, V., Postaci, E., Putze, A., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rodríguez, I., Rosier-Lees, S., Rozza, D., Sagdeev, R., Sandweiss, J., Saouter, P., Sbarra, C., Schael, S., Schmidt, S. M., von Dratzig, A. Schulz, Schwering, G., Scolieri, G., Seo, E. S., Shan, B. S., Shan, Y. H., Shi, J. Y., Shi, Y. M., Siedenburg, T., Son, D., Spada, F., Spinella, F., Sun, W., Tacconi, M., Tang, C. P., Tang, X. W., Tang, Z. C., Tao, L., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Vannini, C., Valtonen, E., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Vitillo, S., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, R. S., Wang, Z. X., Whitman, K., Wienkenhöver, J., Wu, H., Wu, X., Xia, X., Xie, S., Xiong, R. Q., Xin, G. M., Xu, N. S., Yang, J., Yang, M., Ye, Q. H., Yi, H., Yu, Y. J., Yu, Z. Q., Zeissler, S., Zhang, J. H., Zhang, M. T., Zhang, X. B., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., Zurbach, C., Chen, Andrew I, Marks Ting, Susan Carol, Becker, Ulrich J, Burger, Joseph D, Capell, Michael H, Eppling, Frederic J, Fisher, Peter H, Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Becker, Ulrich J., Behlmann, Matthew Daniel, Burger, Joseph D., Cai, Xudong, Capell, Michael H., Chen, Andrew I., Chen, Hai, Choumilov, Evgueni, Choutko, Vitali, Eline, Alexandre, Eppling, Frederic J., Fisher, Peter H., Galaktionov, Y., Goglov, Pavel, Heil, Melanie, Hsieh, Timothy Hwa-wei, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Krafczyk, Matthew Scott, Lebedev, Alexei, Li, Q., Plyaskin, Vasily, Rozhkov, Andrey B., Shi, X. Y., Sun, W. H., Ting, Samuel, Ting, Susan Marks, Vaurynovich, Siarhei S., Wang, Xiaozhen, Weng, Zhili, Xie, M., Xu, Weiwei, Yan, Qi, Zuccon, Paolo, Aguilar, M., Aisa, D., Alpat, B., Alvino, A., Ambrosi, G., Andeen, K., Arruda, L., Attig, N., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Battarbee, M., Battiston, R., Bazo, J., Beischer, B., Berdugo, J., Bertucci, B., Bigongiari, G., Bindi, V., Bizzaglia, S., Bizzarri, M., Boella, G., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Borsini, S., Boschini, M. J., Bourquin, M., Cadoux, F., Caroff, S., Casaus, J., Cascioli, V., Castellini, G., Cernuda, I., Cerreta, D., Cervelli, F., Chae, M. J., Chang, Y. H., Cheng, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Gil, E. Cortina, Coste, B., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Di Masso, L., Dimiccoli, F., Díaz, C., von Doetinchem, P., Donnini, F., Du, W. J., Duranti, M., D’Urso, D., Eronen, T., Fan, Y. Y., Farnesini, L., Feng, J., Fiandrini, E., Fiasson, A., Finch, E., Gallucci, G., García, B., García-López, R., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Gillard, W., Giovacchini, F., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guandalini, C., Guerri, I., Guo, K. H., Haas, D., Habiby, M., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kanishev, K., Kim, G. N., Kim, K. S., Kirn, Th., Kossakowski, R., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Levi, G., Li, H. L., Li, J. Q., Li, T. X., Li, W., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, H., Lolli, M., Lomtadze, T., Lu, M. J., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, J. Z., Lv, S. S., Majka, R., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mo, D. C., Morescalchi, L., Mott, P., Müller, M., Ni, J. Q., Nikonov, N., Nozzoli, F., Nunes, P., Obermeier, A., Oliva, A., Orcinha, M., Palmonari, F., Palomares, C., Paniccia, M., Papi, A., Pauluzzi, M., Pedreschi, E., Pensotti, S., Pereira, R., Picot-Clemente, N., Pilo, F., Piluso, A., Pizzolotto, C., Pohl, M., Poireau, V., Postaci, E., Putze, A., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rodríguez, I., Rosier-Lees, S., Rozza, D., Sagdeev, R., Sandweiss, J., Saouter, P., Sbarra, C., Schael, S., Schmidt, S. M., von Dratzig, A. Schulz, Schwering, G., Scolieri, G., Seo, E. S., Shan, B. S., Shan, Y. H., Shi, J. Y., Shi, Y. M., Siedenburg, T., Son, D., Spada, F., Spinella, F., Sun, W., Tacconi, M., Tang, C. P., Tang, X. W., Tang, Z. C., Tao, L., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Vannini, C., Valtonen, E., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Vitillo, S., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, R. S., Wang, Z. X., Whitman, K., Wienkenhöver, J., Wu, H., Wu, X., Xia, X., Xie, S., Xiong, R. Q., Xin, G. M., Xu, N. S., Yang, J., Yang, M., Ye, Q. H., Yi, H., Yu, Y. J., Yu, Z. Q., Zeissler, S., Zhang, J. H., Zhang, M. T., Zhang, X. B., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., Zurbach, C., Chen, Andrew I, Marks Ting, Susan Carol, Becker, Ulrich J, Burger, Joseph D, Capell, Michael H, Eppling, Frederic J, and Fisher, Peter H
Abstract: A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.
Published: 2015

28. Precision Measurement of the Helium Flux in Primary Cosmic Rays of Rigidities 1.9 GV to 3 TV with the Alpha Magnetic Spectrometer on the International Space Station

Author: Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Becker, Ulrich J., Behlmann, Matthew Daniel, Burger, Joseph D., Cai, Xudong, Capell, Michael H., Chen, Andrew I., Chen, H., Choumilov, Evgueni, Choutko, Vitali, Egorov, Alexander, Eline, Alexandre, Eppling, Frederic J., Fisher, Peter H., Galaktionov, Y., Goglov, Pavel, Heil, Melanie, Hsieh, Tsai-hsiu, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Krafczyk, Matthew Scott, Lebedev, Alexei, Li, J. Q., Li, Q., Plyaskin, Vasily, Rozhkov, Andrey B., Shi, X. Y., Sun, Wei, Sun, W. H., Ting, Samuel, Ting, Susan Marks, Vaurynovich, Siarhei S., Wang, Xiaozhen, Weng, Zhili, Willenbrock, Manfred, Xie, M., Xu, Weiwei, Yan, Q., Zhang, S. D., Zuccon, Paolo, Aguilar, M., Aisa, D., Alpat, B., Alvino, A., Ambrosi, G., Andeen, K., Arruda, L., Attig, N., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Battarbee, M., Battiston, R., Bazo, J., Beischer, B., Berdugo, J., Bertucci, B., Bindi, V., Bizzaglia, S., Bizzarri, M., Boella, G., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Borsini, S., Boschini, M. J., Bourquin, M., Cadoux, F., Caroff, S., Casaus, J., Castellini, G., Cernuda, I., Cerreta, D., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Gil, E. Cortina, Coste, B., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Di Masso, L., Dimiccoli, F., Díaz, C., von Doetinchem, P., Donnini, F., Duranti, M., D’Urso, D., Eronen, T., Fan, Y. Y., Farnesini, L., Feng, J., Fiandrini, E., Fiasson, A., Finch, E., Formato, V., Gallucci, G., García, B., García-López, R., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guandalini, C., Guerri, I., Guo, K. H., Haas, D., Habiby, M., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kanishev, K., Kim, G. N., Kim, K. S., Kirn, Th., Korkmaz, M. A., Kossakowski, R., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Li, H. L., Li, T. X., Li, W., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, H., Liu, Hu, Lolli, M., Lomtadze, T., Lu, M. J., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Lv, S. S., Majka, R., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mo, D. C., Morescalchi, L., Mott, P., Müller, M., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Nunes, P., Obermeier, A., Oliva, A., Orcinha, M., Palmonari, F., Palomares, C., Paniccia, M., Papi, A., Pauluzzi, M., Pedreschi, E., Pensotti, S., Pereira, R., Picot-Clemente, N., Pilo, F., Piluso, A., Pizzolotto, C., Pohl, M., Poireau, V., Putze, A., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rodríguez, I., Rosier-Lees, S., Rozza, D., Sagdeev, R., Sandweiss, J., Saouter, P., Schael, S., Schmidt, S. M., von Dratzig, A. Schulz, Schwering, G., Scolieri, G., Seo, E. S., Shan, B. S., Shan, Y. H., Shi, J. Y., Shi, Y. M., Siedenburg, T., Son, D., Song, J. W., Spada, F., Spinella, F., Tacconi, M., Tang, C. P., Tang, X. W., Tang, Z. C., Tao, L., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Vannini, C., Valtonen, E., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Vitillo, S., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, R. S., Wang, Z. X., Whitman, K., Wienkenhöver, J., Wu, H., Wu, X., Xia, X., Xie, S., Xiong, R. Q., Xu, N. S., Yang, J., Yang, M., Yang, Y., Ye, Q. H., Yi, H., Yu, Y. J., Yu, Z. Q., Zeissler, S., Zhang, C., Zhang, J. H., Zhang, M. T., Zhang, S. W., Zhang, X. B., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., Becker, Ulrich J, Burger, Joseph D, Capell, Michael H, Chen, Andrew I, Eppling, Frederic J, Fisher, Peter H, Marks Ting, Susan Carol, Massachusetts Institute of Technology. Department of Physics, Massachusetts Institute of Technology. Laboratory for Nuclear Science, Becker, Ulrich J., Behlmann, Matthew Daniel, Burger, Joseph D., Cai, Xudong, Capell, Michael H., Chen, Andrew I., Chen, H., Choumilov, Evgueni, Choutko, Vitali, Egorov, Alexander, Eline, Alexandre, Eppling, Frederic J., Fisher, Peter H., Galaktionov, Y., Goglov, Pavel, Heil, Melanie, Hsieh, Tsai-hsiu, Kounina, Olga, Kounine, Andrei, Koutsenko, Vladimir, Krafczyk, Matthew Scott, Lebedev, Alexei, Li, J. Q., Li, Q., Plyaskin, Vasily, Rozhkov, Andrey B., Shi, X. Y., Sun, Wei, Sun, W. H., Ting, Samuel, Ting, Susan Marks, Vaurynovich, Siarhei S., Wang, Xiaozhen, Weng, Zhili, Willenbrock, Manfred, Xie, M., Xu, Weiwei, Yan, Q., Zhang, S. D., Zuccon, Paolo, Aguilar, M., Aisa, D., Alpat, B., Alvino, A., Ambrosi, G., Andeen, K., Arruda, L., Attig, N., Azzarello, P., Bachlechner, A., Barao, F., Barrau, A., Barrin, L., Bartoloni, A., Basara, L., Battarbee, M., Battiston, R., Bazo, J., Beischer, B., Berdugo, J., Bertucci, B., Bindi, V., Bizzaglia, S., Bizzarri, M., Boella, G., de Boer, W., Bollweg, K., Bonnivard, V., Borgia, B., Borsini, S., Boschini, M. J., Bourquin, M., Cadoux, F., Caroff, S., Casaus, J., Castellini, G., Cernuda, I., Cerreta, D., Cervelli, F., Chae, M. J., Chang, Y. H., Chen, G. M., Chen, H. S., Cheng, L., Chou, H. Y., Chung, C. H., Clark, C., Clavero, R., Coignet, G., Consolandi, C., Contin, A., Corti, C., Gil, E. Cortina, Coste, B., Creus, W., Crispoltoni, M., Cui, Z., Dai, Y. M., Delgado, C., Della Torre, S., Demirköz, M. B., Derome, L., Di Falco, S., Di Masso, L., Dimiccoli, F., Díaz, C., von Doetinchem, P., Donnini, F., Duranti, M., D’Urso, D., Eronen, T., Fan, Y. Y., Farnesini, L., Feng, J., Fiandrini, E., Fiasson, A., Finch, E., Formato, V., Gallucci, G., García, B., García-López, R., Gargiulo, C., Gast, H., Gebauer, I., Gervasi, M., Ghelfi, A., Giovacchini, F., Gong, J., Goy, C., Grabski, V., Grandi, D., Graziani, M., Guandalini, C., Guerri, I., Guo, K. H., Haas, D., Habiby, M., Haino, S., Han, K. C., He, Z. H., Hoffman, J., Huang, Z. C., Huh, C., Incagli, M., Ionica, M., Jang, W. Y., Jinchi, H., Kanishev, K., Kim, G. N., Kim, K. S., Kirn, Th., Korkmaz, M. A., Kossakowski, R., La Vacca, G., Laudi, E., Laurenti, G., Lazzizzera, I., Lee, H. T., Lee, S. C., Leluc, C., Li, H. L., Li, T. X., Li, W., Li, Y., Li, Z. H., Li, Z. Y., Lim, S., Lin, C. H., Lipari, P., Lippert, T., Liu, D., Liu, H., Liu, Hu, Lolli, M., Lomtadze, T., Lu, M. J., Lu, S. Q., Lu, Y. S., Luebelsmeyer, K., Luo, F., Luo, J. Z., Lv, S. S., Majka, R., Mañá, C., Marín, J., Martin, T., Martínez, G., Masi, N., Maurin, D., Menchaca-Rocha, A., Meng, Q., Mo, D. C., Morescalchi, L., Mott, P., Müller, M., Nelson, T., Ni, J. Q., Nikonov, N., Nozzoli, F., Nunes, P., Obermeier, A., Oliva, A., Orcinha, M., Palmonari, F., Palomares, C., Paniccia, M., Papi, A., Pauluzzi, M., Pedreschi, E., Pensotti, S., Pereira, R., Picot-Clemente, N., Pilo, F., Piluso, A., Pizzolotto, C., Pohl, M., Poireau, V., Putze, A., Quadrani, L., Qi, X. M., Qin, X., Qu, Z. Y., Räihä, T., Rancoita, P. G., Rapin, D., Ricol, J. S., Rodríguez, I., Rosier-Lees, S., Rozza, D., Sagdeev, R., Sandweiss, J., Saouter, P., Schael, S., Schmidt, S. M., von Dratzig, A. Schulz, Schwering, G., Scolieri, G., Seo, E. S., Shan, B. S., Shan, Y. H., Shi, J. Y., Shi, Y. M., Siedenburg, T., Son, D., Song, J. W., Spada, F., Spinella, F., Tacconi, M., Tang, C. P., Tang, X. W., Tang, Z. C., Tao, L., Tescaro, D., Tomassetti, N., Torsti, J., Türkoğlu, C., Urban, T., Vagelli, V., Valente, E., Vannini, C., Valtonen, E., Vecchi, M., Velasco, M., Vialle, J. P., Vitale, V., Vitillo, S., Wang, L. Q., Wang, N. H., Wang, Q. L., Wang, R. S., Wang, Z. X., Whitman, K., Wienkenhöver, J., Wu, H., Wu, X., Xia, X., Xie, S., Xiong, R. Q., Xu, N. S., Yang, J., Yang, M., Yang, Y., Ye, Q. H., Yi, H., Yu, Y. J., Yu, Z. Q., Zeissler, S., Zhang, C., Zhang, J. H., Zhang, M. T., Zhang, S. W., Zhang, X. B., Zhang, Z., Zheng, Z. M., Zhuang, H. L., Zhukov, V., Zichichi, A., Zimmermann, N., Becker, Ulrich J, Burger, Joseph D, Capell, Michael H, Chen, Andrew I, Eppling, Frederic J, Fisher, Peter H, and Marks Ting, Susan Carol
Abstract: Knowledge of the precise rigidity dependence of the helium flux is important in understanding the origin, acceleration, and propagation of cosmic rays. A precise measurement of the helium flux in primary cosmic rays with rigidity (momentum/charge) from 1.9 GV to 3 TV based on 50 million events is presented and compared to the proton flux. The detailed variation with rigidity of the helium flux spectral index is presented for the first time. The spectral index progressively hardens at rigidities larger than 100 GV. The rigidity dependence of the helium flux spectral index is similar to that of the proton spectral index though the magnitudes are different. Remarkably, the spectral index of the proton to helium flux ratio increases with rigidity up to 45 GV and then becomes constant; the flux ratio above 45 GV is well described by a single power law.
Published: 2015

29. Scintillation efficiency of liquid argon in low energy neutron-argon scattering

Author: Creus, W, Allkofer, Y, Amsler, C, Ferella, A D, Rochet, J, Scotto-Lavina, L, Walter, M, Creus, W, Allkofer, Y, Amsler, C, Ferella, A D, Rochet, J, Scotto-Lavina, L, and Walter, M
Abstract: Experiments searching for weak interacting massive particles with noble gases such as liquid argon require very low detection thresholds for nuclear recoils. A determination of the scintillation efficiency is crucial to quantify the response of the detector at low energy. We report the results obtained with a small liquid argon cell using a monoenergetic neutron beam produced by a deuterium-deuterium fusion source. The light yield relative to electrons was measured for six argon recoil energies between 11 and 120 keV at zero electric drift field.
Published: 2015

30. Light yield in liquid argon for dark matter detection

Author: Creus, W and Creus, W
Published: 2013

31. Study of nuclear recoils in liquid argon with monoenergetic neutrons

Author: Regenfus, C., Allkofer, Y., Amsler, C., Creus, W., Ferella, A., Rochet, J., Walter, M., Regenfus, C., Allkofer, Y., Amsler, C., Creus, W., Ferella, A., Rochet, J., and Walter, M.
Abstract: For the development of liquid argon dark matter detectors we assembled a setup in the laboratory to scatter neutrons on a small liquid argon target. The neutrons are produced mono-energetically (E_kin=2.45 MeV) by nuclear fusion in a deuterium plasma and are collimated onto a 3" liquid argon cell operating in single-phase mode (zero electric field). Organic liquid scintillators are used to tag scattered neutrons and to provide a time-of-flight measurement. The setup is designed to study light pulse shapes and scintillation yields from nuclear and electronic recoils as well as from {\alpha}-particles at working points relevant to dark matter searches. Liquid argon offers the possibility to scrutinise scintillation yields in noble liquids with respect to the populations of the two fundamental excimer states. Here we present experimental methods and first results from recent data towards such studies., Comment: 9 pages, 8 figures, proceedings of TAUP 2011, to be published in Journal of Physics: Conference Series (JCPS)
Published: 2012
Full Text: View/download PDF

32. Study of nuclear recoils in liquid argon with monoenergetic neutrons

Author: Regenfus, C., Allkofer, Y., Amsler, C., Creus, W., Ferella, A., Rochet, J., Walter, M., Regenfus, C., Allkofer, Y., Amsler, C., Creus, W., Ferella, A., Rochet, J., and Walter, M.
Abstract: For the development of liquid argon dark matter detectors we assembled a setup in the laboratory to scatter neutrons on a small liquid argon target. The neutrons are produced mono-energetically (E_kin=2.45 MeV) by nuclear fusion in a deuterium plasma and are collimated onto a 3" liquid argon cell operating in single-phase mode (zero electric field). Organic liquid scintillators are used to tag scattered neutrons and to provide a time-of-flight measurement. The setup is designed to study light pulse shapes and scintillation yields from nuclear and electronic recoils as well as from {\alpha}-particles at working points relevant to dark matter searches. Liquid argon offers the possibility to scrutinise scintillation yields in noble liquids with respect to the populations of the two fundamental excimer states. Here we present experimental methods and first results from recent data towards such studies., Comment: 9 pages, 8 figures, proceedings of TAUP 2011, to be published in Journal of Physics: Conference Series (JCPS)
Published: 2012
Full Text: View/download PDF

33. The ArDM experiment

Author: Harańczyk, M, Harańczyk, M, Amsler, C, Badertscher, A, Boccone, V, Bourgeois, N, Bueno, A, Carmona-Benitez, MC, Chorowski, M, Creus, W, Curioni, A, Daw, E, Degunda, U, Dell'Antone, A, Dröge, M, Epprecht, L, Haller, C, Horikawa, S, Kaufmann, L, Kisiel, J, Knecht, L, Laffranchi, M, Lagoda, J, Lazzaro, C, Lightfoot, P, Lozano, J, Lussi, D, Maire, G, Mania, S, Marchionni, A, Mavrokoridis, K, Melgarejo, A, Mijakowski, P, Natterer, G, Navas-Concha, S, Otiougova, P, Piotrowska, A, Poliński, J, De Prado, M, Przewłocki, P, Ravat, S, Regenfus, C, Resnati, F, Robinson, M, Rochet, J, Romero, L, Rondio, E, Rubbia, A, Scotto-Lavina, L, Spooner, N, Viant, T, Trawiński, A, Ulbricht, J, Zalewska, A, Harańczyk, M, Harańczyk, M, Amsler, C, Badertscher, A, Boccone, V, Bourgeois, N, Bueno, A, Carmona-Benitez, MC, Chorowski, M, Creus, W, Curioni, A, Daw, E, Degunda, U, Dell'Antone, A, Dröge, M, Epprecht, L, Haller, C, Horikawa, S, Kaufmann, L, Kisiel, J, Knecht, L, Laffranchi, M, Lagoda, J, Lazzaro, C, Lightfoot, P, Lozano, J, Lussi, D, Maire, G, Mania, S, Marchionni, A, Mavrokoridis, K, Melgarejo, A, Mijakowski, P, Natterer, G, Navas-Concha, S, Otiougova, P, Piotrowska, A, Poliński, J, De Prado, M, Przewłocki, P, Ravat, S, Regenfus, C, Resnati, F, Robinson, M, Rochet, J, Romero, L, Rondio, E, Rubbia, A, Scotto-Lavina, L, Spooner, N, Viant, T, Trawiński, A, Ulbricht, J, and Zalewska, A
Abstract: The aim of the ArDM project is the development and operation of a one ton double-phase liquid argon detector for direct Dark Matter searches. The detector measures both the scintillation light and the ionization charge from ionizing radiation using two independent readout systems. This paper briefly describes the detector concept and presents preliminary results from the ArDM R&D program, including a 3 l prototype developed to test the charge readout system.
Published: 2010

34. The ArDM experiment

Author: ArDM Collaboration, Amsler, C., Badertscher, A., Boccone, V., Bourgeois, N., Bueno, A., Carmona-Benitez, M. C., Chorowski, M., Creus, W., Curioni, A., Daw, E., Degunda, U., Dell'Antone, A., Droge, M., Epprecht, L., Haller, C., Haranczyk, M., Horikawa, S., Kaufmann, L., Kisiel, J., Knecht, L., Laffranchi, M., Lagoda, J., Lazzaro, C., Lightfoot, P., Lozano, J., Lussi, D., Maire, G., Mania, S., Marchionni, A., Mavrokoridis, K., Melgarejo, A., Mijakowski, P., Natterer, G., Navas-Concha, S., Otiougova, P., Piotrowska, A., Polinski, J., de Prado, M., Przewlocki, P., Ravat, S., Regenfus, C., Resnati, F., Robinson, M., Rochet, J., Romero, L., Rondio, E., Rubbia, A., Scotto-Lavina, L., Spooner, N., Viant, T., Trawinski, A., Ulbricht, J., Zalewska, A., ArDM Collaboration, Amsler, C., Badertscher, A., Boccone, V., Bourgeois, N., Bueno, A., Carmona-Benitez, M. C., Chorowski, M., Creus, W., Curioni, A., Daw, E., Degunda, U., Dell'Antone, A., Droge, M., Epprecht, L., Haller, C., Haranczyk, M., Horikawa, S., Kaufmann, L., Kisiel, J., Knecht, L., Laffranchi, M., Lagoda, J., Lazzaro, C., Lightfoot, P., Lozano, J., Lussi, D., Maire, G., Mania, S., Marchionni, A., Mavrokoridis, K., Melgarejo, A., Mijakowski, P., Natterer, G., Navas-Concha, S., Otiougova, P., Piotrowska, A., Polinski, J., de Prado, M., Przewlocki, P., Ravat, S., Regenfus, C., Resnati, F., Robinson, M., Rochet, J., Romero, L., Rondio, E., Rubbia, A., Scotto-Lavina, L., Spooner, N., Viant, T., Trawinski, A., Ulbricht, J., and Zalewska, A.
Abstract: The aim of the ArDM project is the development and operation of a one ton double-phase liquid argon detector for direct Dark Matter searches. The detector measures both the scintillation light and the ionization charge from ionizing radiation using two independent readout systems. This paper briefly describes the detector concept and presents preliminary results from the ArDM R&D program, including a 3 l prototype developed to test the charge readout system., Comment: Proceedings of the Epiphany 2010 Conference, to be published in Acta Physica Polonica B
Published: 2010

35. The ArDM experiment

Author: Harańczyk, M, Harańczyk, M, Amsler, C, Badertscher, A, Boccone, V, Bourgeois, N, Bueno, A, Carmona-Benitez, MC, Chorowski, M, Creus, W, Curioni, A, Daw, E, Degunda, U, Dell'Antone, A, Dröge, M, Epprecht, L, Haller, C, Horikawa, S, Kaufmann, L, Kisiel, J, Knecht, L, Laffranchi, M, Lagoda, J, Lazzaro, C, Lightfoot, P, Lozano, J, Lussi, D, Maire, G, Mania, S, Marchionni, A, Mavrokoridis, K, Melgarejo, A, Mijakowski, P, Natterer, G, Navas-Concha, S, Otiougova, P, Piotrowska, A, Poliński, J, De Prado, M, Przewłocki, P, Ravat, S, Regenfus, C, Resnati, F, Robinson, M, Rochet, J, Romero, L, Rondio, E, Rubbia, A, Scotto-Lavina, L, Spooner, N, Viant, T, Trawiński, A, Ulbricht, J, Zalewska, A, Harańczyk, M, Harańczyk, M, Amsler, C, Badertscher, A, Boccone, V, Bourgeois, N, Bueno, A, Carmona-Benitez, MC, Chorowski, M, Creus, W, Curioni, A, Daw, E, Degunda, U, Dell'Antone, A, Dröge, M, Epprecht, L, Haller, C, Horikawa, S, Kaufmann, L, Kisiel, J, Knecht, L, Laffranchi, M, Lagoda, J, Lazzaro, C, Lightfoot, P, Lozano, J, Lussi, D, Maire, G, Mania, S, Marchionni, A, Mavrokoridis, K, Melgarejo, A, Mijakowski, P, Natterer, G, Navas-Concha, S, Otiougova, P, Piotrowska, A, Poliński, J, De Prado, M, Przewłocki, P, Ravat, S, Regenfus, C, Resnati, F, Robinson, M, Rochet, J, Romero, L, Rondio, E, Rubbia, A, Scotto-Lavina, L, Spooner, N, Viant, T, Trawiński, A, Ulbricht, J, and Zalewska, A
Abstract: The aim of the ArDM project is the development and operation of a one ton double-phase liquid argon detector for direct Dark Matter searches. The detector measures both the scintillation light and the ionization charge from ionizing radiation using two independent readout systems. This paper briefly describes the detector concept and presents preliminary results from the ArDM R&D program, including a 3 l prototype developed to test the charge readout system.
Published: 2010

36. The ArDM experiment

Author: ArDM Collaboration, Amsler, C., Badertscher, A., Boccone, V., Bourgeois, N., Bueno, A., Carmona-Benitez, M. C., Chorowski, M., Creus, W., Curioni, A., Daw, E., Degunda, U., Dell'Antone, A., Droge, M., Epprecht, L., Haller, C., Haranczyk, M., Horikawa, S., Kaufmann, L., Kisiel, J., Knecht, L., Laffranchi, M., Lagoda, J., Lazzaro, C., Lightfoot, P., Lozano, J., Lussi, D., Maire, G., Mania, S., Marchionni, A., Mavrokoridis, K., Melgarejo, A., Mijakowski, P., Natterer, G., Navas-Concha, S., Otiougova, P., Piotrowska, A., Polinski, J., de Prado, M., Przewlocki, P., Ravat, S., Regenfus, C., Resnati, F., Robinson, M., Rochet, J., Romero, L., Rondio, E., Rubbia, A., Scotto-Lavina, L., Spooner, N., Viant, T., Trawinski, A., Ulbricht, J., Zalewska, A., ArDM Collaboration, Amsler, C., Badertscher, A., Boccone, V., Bourgeois, N., Bueno, A., Carmona-Benitez, M. C., Chorowski, M., Creus, W., Curioni, A., Daw, E., Degunda, U., Dell'Antone, A., Droge, M., Epprecht, L., Haller, C., Haranczyk, M., Horikawa, S., Kaufmann, L., Kisiel, J., Knecht, L., Laffranchi, M., Lagoda, J., Lazzaro, C., Lightfoot, P., Lozano, J., Lussi, D., Maire, G., Mania, S., Marchionni, A., Mavrokoridis, K., Melgarejo, A., Mijakowski, P., Natterer, G., Navas-Concha, S., Otiougova, P., Piotrowska, A., Polinski, J., de Prado, M., Przewlocki, P., Ravat, S., Regenfus, C., Resnati, F., Robinson, M., Rochet, J., Romero, L., Rondio, E., Rubbia, A., Scotto-Lavina, L., Spooner, N., Viant, T., Trawinski, A., Ulbricht, J., and Zalewska, A.
Abstract: The aim of the ArDM project is the development and operation of a one ton double-phase liquid argon detector for direct Dark Matter searches. The detector measures both the scintillation light and the ionization charge from ionizing radiation using two independent readout systems. This paper briefly describes the detector concept and presents preliminary results from the ArDM R&D program, including a 3 l prototype developed to test the charge readout system., Comment: Proceedings of the Epiphany 2010 Conference, to be published in Acta Physica Polonica B
Published: 2010

37. The ArDM experiment

Author: ArDM Collaboration, Amsler, C., Badertscher, A., Boccone, V., Bourgeois, N., Bueno, A., Carmona-Benitez, M. C., Chorowski, M., Creus, W., Curioni, A., Daw, E., Degunda, U., Dell'Antone, A., Droge, M., Epprecht, L., Haller, C., Haranczyk, M., Horikawa, S., Kaufmann, L., Kisiel, J., Knecht, L., Laffranchi, M., Lagoda, J., Lazzaro, C., Lightfoot, P., Lozano, J., Lussi, D., Maire, G., Mania, S., Marchionni, A., Mavrokoridis, K., Melgarejo, A., Mijakowski, P., Natterer, G., Navas-Concha, S., Otiougova, P., Piotrowska, A., Polinski, J., de Prado, M., Przewlocki, P., Ravat, S., Regenfus, C., Resnati, F., Robinson, M., Rochet, J., Romero, L., Rondio, E., Rubbia, A., Scotto-Lavina, L., Spooner, N., Viant, T., Trawinski, A., Ulbricht, J., Zalewska, A., ArDM Collaboration, Amsler, C., Badertscher, A., Boccone, V., Bourgeois, N., Bueno, A., Carmona-Benitez, M. C., Chorowski, M., Creus, W., Curioni, A., Daw, E., Degunda, U., Dell'Antone, A., Droge, M., Epprecht, L., Haller, C., Haranczyk, M., Horikawa, S., Kaufmann, L., Kisiel, J., Knecht, L., Laffranchi, M., Lagoda, J., Lazzaro, C., Lightfoot, P., Lozano, J., Lussi, D., Maire, G., Mania, S., Marchionni, A., Mavrokoridis, K., Melgarejo, A., Mijakowski, P., Natterer, G., Navas-Concha, S., Otiougova, P., Piotrowska, A., Polinski, J., de Prado, M., Przewlocki, P., Ravat, S., Regenfus, C., Resnati, F., Robinson, M., Rochet, J., Romero, L., Rondio, E., Rubbia, A., Scotto-Lavina, L., Spooner, N., Viant, T., Trawinski, A., Ulbricht, J., and Zalewska, A.
Abstract: The aim of the ArDM project is the development and operation of a one ton double-phase liquid argon detector for direct Dark Matter searches. The detector measures both the scintillation light and the ionization charge from ionizing radiation using two independent readout systems. This paper briefly describes the detector concept and presents preliminary results from the ArDM R&D program, including a 3 l prototype developed to test the charge readout system., Comment: Proceedings of the Epiphany 2010 Conference, to be published in Acta Physica Polonica B
Published: 2010

38. First results on light readout from the 1-ton ArDM liquid argon detector for dark matter searches

Author: ArDM Collaboration, et al, Amsler, C, Badertscher, A, Boccone, V, Creus, W, Curioni, A, Degunda, U, Gendotti, A, Epprecht, L, Horikawa, S, Kaufmann, L, Knecht, L, Laffranchi, M, Lazzaro, C, Lussi, D, Marchionni, A, Natterer, G, Otyugova, P, Regenfus, C, Resnati, F, Rochet, J, Rubbia, A, Scotto-Lavina, L, Strauss, T, Ulbricht, J, Viant, T, ArDM Collaboration, et al, Amsler, C, Badertscher, A, Boccone, V, Creus, W, Curioni, A, Degunda, U, Gendotti, A, Epprecht, L, Horikawa, S, Kaufmann, L, Knecht, L, Laffranchi, M, Lazzaro, C, Lussi, D, Marchionni, A, Natterer, G, Otyugova, P, Regenfus, C, Resnati, F, Rochet, J, Rubbia, A, Scotto-Lavina, L, Strauss, T, Ulbricht, J, and Viant, T
Abstract: ArDM-1t is the prototype for a next generation WIMP detector measuring both the scintillation light and the ionization charge from nuclear recoils in a 1-ton liquid argon target. The goal is to reach a minimum recoil energy of 30 keVr to detect recoiling nuclei. In this paper we describe the experimental concept and present results on the light detection system, tested for the first time in ArDM on the surface at CERN. With a preliminary and incomplete set of PMTs, the light yield at zero electric field is found to be between 0.3-0.5 phe/keVee depending on the position within the detector volume, confirming our expectations based on smaller detector setups.
Published: 2010

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