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Precision Measurement of the(e++e−)Flux in Primary Cosmic Rays from 0.5 GeV to 1 TeV with the Alpha Magnetic Spectrometer on the International Space Station
Authors
M. Aguilar,D. Aisa
B. Alpat,A. Alvino,G. Ambrosi,K. Andeen,L. Arruda,N. Attig,P. Azzarello,A. Bachlechner,F. Barão,Aurélien Barrau,L. Barrin,A. Bartoloni,L. Basara,Markus Battarbee,R. Battiston,J. Bazo,U. Becker,M. Behlmann,B. Beischer,J. Berdugo,B. Bertucci,G. Bigongiari,V. Bindi,S. Bizzaglia,M. Bizzarri,G. Boella,W. Boer,K. Bollweg,V. Bonnivard,B. Borgia,S. Borsini,M. Boschini,M. Bourquin,J.D. Burger,F. Cadoux,Xudong Cai,M. Capell,Sami Caroff,J. Casaus,Vincenzo Cascioli,G. Castellini,I. Cernuda,F. Cervelli,M. Chae,Yuan-Hann Chang,A. Chen,H. Chen,Cheng Gong,Lin Cheng,A. Chikanian,H. Chou,E. Choumilov,V. Choutko,C. Chung,C. Clark,R. Clavero,G. Coignet,C. Consolandi,A. Contin,C. Corti,B. Coste,M. Crispoltoni,Z. Cui,Min Dai,C. Mendez,S. Torre,B. Demirköz,L. Derome,S. Falco,L. Masso,F. Dimiccoli,C. Díaz,P. Doetinchem,F. Donnini,W. Du,M. Duranti,D. D’Urso,A. Eline,F.J. Eppling,T. Eronen,Yi-Zhong Fan,L. Farnesini,J. Feng,E. Fiandrini,A. Fiaßon,E. Finch,P.H. Fisher,Yu. Galaktionov,G. Gallucci,B. Garćıa,R. López,Corrado Gargiulo,H. Gast,Iris Gebauer,M. Gervasi,A. Ghelfi,W. Gillard,F. Giovacchini,P. Goglov,J. Gong,C. Goy,Varlen Grabski,D. Grandi,M. Graziani,C. Guandalini,I. Guerri,K. Guo,M. Habiby,S. Haino,K. Han,Z. He,M. Heil,J. Hoffman,Timothy Hsieh,Z. Huang,C. Huh,M. Incagli,M. Ionica,W. Jang,H. Jinchi,K. Kanishev,G. Kim,K. Kim,Th. Kirn,R. Kossakowski,O. Kounina,A. Kounine,V. Koutsenko,M. Krafczyk,Simon Kunz,G. Vacca,Elisa Laudi,G. Laurenti,I. Lazzizzera,A. Lebedev,H. Lee,S. Lee,C. Leluc,H. Li,Qiang Li,Q. Li,T. Li,W. Li,Y. Li,Z. Li,Soobin Lim,Chao‐Hung Lin,P. Lipari,Thomas Lippert,D. Liu,H. Liu,T. Lomtadze,M. Lu,Yudong Lu,K. Luebelsmeyer,Feng Luo,Junzhou Luo,S. Lv,R. Majka,A. Malinin,C. Mañá,J. Marín,T. Martin,Gustavo Martínez,N. Masi,D. Maurin,A. Menchaca-Rocha,Q. Meng,Dong-Chuan Mo,L. Morescalchi,P. Mott,M. Müller,J. Ni,N. Nikonov,F. Nozzoli,Pedro Nunes,Andreas Obermeier,A. Oliva,M. Orcinha,F. Palmonari,C. Palomares,M. Paniccia,Alberto Papi,M. Pauluzzi,E. Pedreschi,S. Pensotti,Rui Pereira,F. Pilo,A. Piluso,C. Pizzolotto,V. Plyaskin,M. Pohl,V. Poireau,E. Postaci,A. Putze,L. Quadrani,X. Qi,T. Räihä,P.G. Rancoita,D. Rapin,J. Ricol,I. Rodríguez,S. Rosier-Lees,A. Rozhkov,D. Rozza,R. Sagdeev,J. Sandweiss,P. Saouter,C. Sbarra,S. Schael,Susann Schmidt,D. Schuckardt,A. Dratzig,G. Schwering,G. Scolieri,E. Seo,B. Shan,Y. Shan,J. Shi,X-H. Shi,Ying Shi,T. Siedenburg,D. Son,F. Spada,F. Spinella,W. Sun,M. Tacconi,Chengpei Tang,Xiao Tang,Zhi-Cheng Tang,L. Tao,D. Tescaro,Samuel Ting,S.M. Ting,Nicola Tomassetti,J. Torsti,C. Türkoğlu,T. Urban,V. Vagelli,E. Valente,C. Vannini,E. Valtonen,S. Vaurynovich,M. Vecchi,M. Velasco,J. Vialle,L. Wang,Qiuliang Wang,R. Wang,X. Wang,Z. Wang,Z. Weng,Kathryn Whitman,J. Wienkenhöver,H. Wu,X. Xia,Min Xie,S. Xie,R. Xiong,Gongming Xin,N. Xu,W. Xu,Qi Yan,J. Yang,Min Yang,Q. Ye,Han Yi,Yaxin Yu,Z. Yu,S. Zeissler,J. Zhang,M. Zhang,X. Zhang,Z. Zhang,Z. Zheng,H. Zhuang,V. Zhukov,A. Zichichi,N. Zimmermann,P. Zuccon,C. Zurbach,C. Baty,Wenjing Du,H. Gemmeke,S. Caroff
+285 authors
,Zhaoyuan CuiJournal
Published
Nov 26, 2014
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Abstract
We present a measurement of the cosmic ray (e^{+}+e^{-}) flux in the range 0.5 GeV to 1 TeV based on the analysis of 10.6 million (e^{+}+e^{-}) events collected by AMS. The statistics and the resolution of AMS provide a precision measurement of the flux. The flux is smooth and reveals new and distinct information. Above 30.2 GeV, the flux can be described by a single power law with a spectral index γ=-3.170±0.008(stat+syst)±0.008(energy scale).
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