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| 題名: | High statistics measurement of the positron fraction in primary cosmic rays of 0.5-500 GeV with the alpha magnetic spectrometer on the international space station |
| 作者: | 張元翰;Vitale, V;Beischer, B;Bizzaglia, S;Barrau, A;Shan, Y H;Volpini, G;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;Zhou, F;Tang, X W;Carosi, G;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;Levi, G;von Doetinchem, P;Shi, Y M;Huang, Z C;Xu, W;Bizzarri, M;Lim, S;Massera, F;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;Alpat, B;Li, T X;Tang, C P;Rozza, D;Finch, E |
| 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;Energy measurement;Experiment;International Space Station;Particle Physics;Physics;Positrons;Primary cosmic rays;Sciences of the Universe;Statistics |
| 日期: | 2014-09-18 |
| 上傳時間: | 2026-04-23 12:01:26 (UTC+8) |
| 出版者: | American Physical Society;United States: American Physical Society |
| 摘要: | 摘要： A precision measurement by AMS of the positron fraction in primary cosmic rays in the energy range from 0.5 to 500 GeV based on 10.9 million positron and electron events is presented. This measurement extends the energy range of our previous observation and increases its precision. The new results show, for the first time, that above ∼200 GeV the positron fraction no longer exhibits an increase with energy.
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.121101, Article 121101
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.113.121101
識別號： PMID: 25279616 |
| 顯示於類別: | [物理學系] 期刊論文
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