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| 題名: | Electron and positron fluxes in primary cosmic rays measured with the alpha magnetic spectrometer on the international space station |
| 作者: | 張元翰;Beischer, B;Bizzaglia, S;Barrau, A;Shan, Y H;Yu, Y J;Consolandi, C;Nozzoli, F;Schmidt, S M;Battarbee, M;Lee, H T;Lee, S C;Xin, G M;Vecchi, M;Wang, Z X;Bachlechner, A;He, Z H;Chen, H;Berdugo, J;Yan, Q;García, B;Hsieh, T H;Battiston, R;Yi, H;Corti, C;Cui, Z;Luo, J Z;Rancoita, P G;Chou, H Y;Sbarra, C;Heil, M;Tang, X W;Fiasson, A;Grandi, D;Li, H L;Paniccia, M;Choumilov, E;Aisa, D;Spinella, F;Zhuang, H L;Guo, K H;Gillard, W;Ionica, M;von Doetinchem, P;Shi, Y M;Huang, Z C;Xu, W;Bizzarri, M;Lim, S;Du, W J;Wienkenhöver, J;Cheng, G M;Kunz, S;Di Masso, L;Lv, S S;García-López, R;Xu, N S;Zhang, M T;Pereira, R;Zichichi, A;Kim, G N;Mo, D C;Li, Z H;Lin, C H;Marín, J;Quadrani, L;Eronen, T;Sagdeev, R;Rosier-Lees, S;Eline, A;Bartoloni, A;Fan, Y Y;Galaktionov, Y;Martínez, G;Putze, A;Gebauer, I;Li, W;Velasco, M;Li, Q;Lippert, T;Bollweg, K;Schuckardt, D;de Boer, W;Nunes, P;Menchaca-Rocha, A;Müller, M;Jang, W Y;Poireau, V;Lu, Y S;Tao, L;Li, T X;Tang, C P;Rozza, D;Finch, E;Lebedev, A;Schael, S;Barao, F;Zurbach, C;Tang, Z C;Vialle, J P;Zhukov, V |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Alpha Magnetic Spectrometer;Astrophysics;Astrophysics and Astronomy;Cosmology and Extra-Galactic Astrophysics;Electron density;Experiment;Fluxes;Information dissemination;International Space Station;Origins;Particle Physics;Physics;Positrons;Sciences of the Universe;Spectra |
| 日期: | 2014-09-18 |
| 上傳時間: | 2026-04-23 11:52:41 (UTC+8) |
| 出版者: | American Physical Society;United States: American Physical Society |
| 摘要: | 摘要： Precision measurements by the Alpha Magnetic Spectrometer on the International Space Station of the primary cosmic-ray electron flux in the range 0.5 to 700 GeV and the positron flux in the range 0.5 to 500 GeV are presented. The electron flux and the positron flux each require a description beyond a single power-law spectrum. Both the electron flux and the positron flux change their behavior at ∼30 GeV but the fluxes are significantly different in their magnitude and energy dependence. Between 20 and 200 GeV the positron spectral index is significantly harder than the electron spectral index. The determination of the differing behavior of the spectral indices versus energy is a new observation and provides important information on the origins of cosmic-ray electrons and positrons.
其他題名： Phys Rev Lett
出版者： United States: American Physical Society
出版日期： 2014-09-19
出處： Physical review letters, 2014-09, Vol.113 (12), p.121102, Article 121102
資源來源： American Physical Society Journals
版權： licence_http://creativecommons.org/publicdomain/zero
識別號： ISSN: 0031-9007
識別號： ISSN: 1079-7114
識別號： ISSN: 1092-0145
識別號： EISSN: 1079-7114
識別號： DOI: 10.1103/PhysRevLett.113.121102
識別號： PMID: 25279617 |
| 顯示於類別: | [物理學系] 期刊論文
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