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Observation of Complex Time Structures in the Cosmic-Ray Electron and Positron Fluxes with the Alpha Magnetic Spectrometer on the International Space Station
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Date
2018-07-31
Author
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.
Basegmez-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, Melahat Bilge
Derome, L.
Di Falco, S.
Dimiccoli, F.
Diaz, 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.
Garcia-Lopez, R. J.
Gargiulo, C.
Gast, H.
Gebauer, I.
Gervasi, M.
Ghelfi, A.
Giovacchini, F.
Gomez-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.
Mana, C.
Marin, J.
Martin, T.
Martinez, 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.
Raeihae, 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.
Turkoglu, C.
Urban, T.
Vagelli, V.
Valente, E.
Valtonen, E.
Vazquez 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.
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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 x 10(6) 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.
URI
https://hdl.handle.net/11511/68823
Journal
PHYSICAL REVIEW LETTERS
DOI
https://doi.org/10.1103/physrevlett.121.051102
Collections
Department of Physics, Article
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M. Aguilar et al., “Observation of Complex Time Structures in the Cosmic-Ray Electron and Positron Fluxes with the Alpha Magnetic Spectrometer on the International Space Station,”
PHYSICAL REVIEW LETTERS
, pp. 0–0, 2018, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/68823.