Electron and Positron Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station

M. Aguilar; D. Aisa; A. Alvino; G. Ambrosi; K. Andeen; L. Arruda; N. Attig; P. Azzarello; A. Bachlechner; F. Barao; A. Barrau; L. Barrin; A. Bartoloni; L. Basara; M. 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. de Boer; K. Bollweg; V. Bonnivard; B. Borgia; S. Borsini; M.J. Boschini; M. Bourquin; J. Burger; F. Cadoux; X.D. Cai; M. Capell; S. Caroff; J. Casaus; V. Cascioli; G. Castellini; I. Cernuda; F. Cervelli; M.J. Chae; Y.H. Chang; A.I. Chen; H. Chen; G.M. Cheng; H.S. Chen; L. Cheng; A. Chikanian; H.Y. Chou; E. Choumilov; V. Choutko; C.H. Chung; C. Clark; R. Clavero; G. Coignet; C. Consolandi; A. Contin; C. Corti; B. Coste; Z. Cui; M. Dai; C. Delgado; S. Della Torre; M.B. Demirköz; L. Derome; S. Di Falco; L. Di Masso; F. Dimiccoli; C. Díaz; P. von Doetinchem; W.J. Du; M. Duranti; D. d'Urso; A. Eline; F.J. Eppling; T. Eronen; Y.Y. Fan; L. Farnesini; J. Feng; E. Fiandrini; A. Fiasson; E. Finch; P. Fisher; Y. Galaktionov; G. Gallucci; B. García; R. García-López; H. Gast; I. Gebauer; M. Gervasi; A. Ghelfi; W. Gillard; F. Giovacchini; P. Goglov; J. Gong; C. Goy; V. Grabski; D. Grandi; M. Graziani; C. Guandalini; I. Guerri; K.H. Guo; M. Habiby; S. Haino; K.C. Han; Z.H. He; M. Heil; J. Hoffman; T.H. Hsieh; Z.C. Huang; C. Huh; M. Incagli; M. Ionica; W.Y. Jang; H. Jinchi; K. Kanishev; G.N. Kim; K.S. Kim; Th. Kirn; R. Kossakowski; O. Kounina; A. Kounine; V. Koutsenko; M.S. Krafczyk; S. Kunz; G. La Vacca; E. Laudi; G. Laurenti; I. Lazzizzera; A. Lebedev; H.T. Lee; S.C. Lee; C. Leluc; H.L. Li; J.Q. Li; Q. Li; T.X. Li; W. Li; Y. Li; Z.H. Li; Z.Y. Li; S. Lim; C.H. Lin; P. Lipari; T. Lippert; D. Liu; H. Liu; T. Lomtadze; M.J. Lu; Y.S. Lu; K. Luebelsmeyer; F. Luo; J.Z. Luo; S.S. Lv; R. Majka; A. Malinin; C. Mañá; J. Marín; T. Martin; Gines Martinez Garcia; N. Masi; D. Maurin; A. Menchaca-Rocha; Q. Meng; D.C. Mo; L. Morescalchi; P. Mott; M. Müller; J.Q. Ni; N. Nikonov; F. Nozzoli; P. Nunes; A. Obermeier; A. Oliva; M. Orcinha; F. Palmonari; C. Palomares; M. Paniccia; A. Papi; E. Pedreschi; S. Pensotti; R. Pereira; F. Pilo; A. Piluso; C. Pizzolotto; V. Plyaskin; M. Pohl; V. Poireau; E. Postaci; A. Putze; L. Quadrani; X.M. Qi; P.G. Rancoita; D. Rapin; J.S. Ricol; I. Rodríguez; S. Rosier-Lees; A. Rozhkov; D. Rozza; R. Sagdeev; J. Sandweiss; P. Saouter; C. Sbarra; S. Schael; S.M. Schmidt; D. Schuckardt; A. Schulz von Dratzig; G. Schwering; G. Scolieri; E.S. Seo; B.S. Shan; Y.H. Shan; J.Y. Shi; X.Y. Shi; Y.M. Shi; T. Siedenburg; D. Son; F. Spada; F. Spinella; W. Sun; W.H. Sun; M. Tacconi; C.P. Tang; X.W. Tang; Z.C. Tang; L. Tao; D. Tescaro; Samuel C. C. Ting; S.M. Ting; N. Tomassetti; J. Torsti; C. Türkoğlu; T. Urban; V. Vagelli; E. Valente; C. Vannini; E. Valtonen; S. Vaurynovich; M. Vecchi; M. Velasco; J.P. Vialle; L.Q. Wang; Q.L. Wang; R.S. Wang; X. Wang; Z.X. Wang; Z.L. Weng; K. Whitman; J. Wienkenhöver; H. Wu; X. Xia; M. Xie; S. Xie; R.Q. Xiong; G.M. Xin; N.S. Xu; Wei-Jiang Xu; Q. Yan; J. Yang; M. Yang; Q.H. Ye; H. Yi; Y.J. Yu; Z.Q. Yu; S. Zeissler; J.H. Zhang; M.T. Zhang; X.B. Zhang; Zhen Zhang; Z.M. Zheng; H.L. Zhuang; V. Zhukov; A. Zichichi; N. Zimmermann; P. Zuccon; C. Zurbach

doi:10.1103/PhysRevLett.113.121102

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Electron and Positron Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station

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Electron and Positron Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station

M. Aguilar, D. Aisa, A. Alvino, G. Ambrosi, K. Andeen, L. Arruda, N. Attig, P. Azzarello, A. Bachlechner, F. Barao, …

Physical Review Letters, Vol.113

2014

DOI: https://doi.org/10.1103/PhysRevLett.113.121102

Résumé

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 to500 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∼30GeV 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.

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Titre: Electron and Positron Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station
Créateurs - sans rôle: M. Aguilar - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
D. Aisa - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
A. Alvino - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
G. Ambrosi - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
K. Andeen - Karlsruhe Institute of Technology
L. Arruda - LIP - Laboratory of Instrumentation and Experimental Particle Physics
N. Attig - Jülich Aachen Research Alliance
P. Azzarello - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
A. Bachlechner - RWTH Aachen University
F. Barao - LIP - Laboratory of Instrumentation and Experimental Particle Physics
A. Barrau - Centre National de la Recherche Scientifique
L. Barrin - European Organization for Nuclear Research
A. Bartoloni - Istituto Nazionale di Fisica Nucleare, Sezione di Roma I
L. Basara - Laboratoire d’Annecy de Physique des Particules
M. Battarbee - University of Turku
R. Battiston - University of Trento
J. Bazo - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
U. Becker - Massachusetts Institute of Technology
M. Behlmann - Massachusetts Institute of Technology
B. Beischer - RWTH Aachen University
J. Berdugo - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
B. Bertucci - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
G. Bigongiari - University of Pisa
V. Bindi - University of Hawaii System
S. Bizzaglia - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
M. Bizzarri - University of Perugia
G. Boella - Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca
W. de Boer - Karlsruhe Institute of Technology
K. Bollweg - National Aeronautics and Space Administration
V. Bonnivard - Université Grenoble Alpes
B. Borgia - Sapienza University of Rome
S. Borsini - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
M.J. Boschini - Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca
M. Bourquin - University of Geneva
J. Burger - Massachusetts Institute of Technology
F. Cadoux - University of Geneva
X.D. Cai - Massachusetts Institute of Technology
M. Capell - Massachusetts Institute of Technology
S. Caroff - Laboratoire d’Annecy de Physique des Particules
J. Casaus - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
V. Cascioli - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
G. Castellini - CNR Istituto di Geoscienze e Georisorse [Firenze]
I. Cernuda - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
F. Cervelli - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
M.J. Chae - Ewha Womans University
Y.H. Chang - National Central University
A.I. Chen - Massachusetts Institute of Technology
H. Chen - Institute of High Energy Physics
G.M. Cheng - Institute of High Energy Physics
H.S. Chen - Institute of High Energy Physics
L. Cheng - Shandong University
A. Chikanian - Yale University
H.Y. Chou - National Central University
E. Choumilov - Massachusetts Institute of Technology
V. Choutko - Massachusetts Institute of Technology
C.H. Chung - RWTH Aachen University
C. Clark - Johnson Space Center
R. Clavero - Instituto de Astrofísica de Canarias
G. Coignet - Laboratoire d’Annecy de Physique des Particules
C. Consolandi - University of Hawaii System
A. Contin - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
C. Corti - University of Hawaii System
B. Coste - University of Trento
Z. Cui - Shandong University
M. Dai - Chinese Academy of Sciences
C. Delgado
S. Della Torre - Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca
M.B. Demirköz
L. Derome - Laboratoire de Physique Subatomique et de Cosmologie
S. Di Falco - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
L. Di Masso - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
F. Dimiccoli - Istituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And Applications
C. Díaz - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
P. von Doetinchem - University of Hawaii System
W.J. Du - Shandong University
M. Duranti - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
D. d'Urso
A. Eline - Massachusetts Institute of Technology
F.J. Eppling - Massachusetts Institute of Technology
T. Eronen - University of Turku
Y.Y. Fan
L. Farnesini - Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
J. Feng - Centre National de la Recherche Scientifique
E. Fiandrini - University of Perugia
A. Fiasson - Laboratoire d’Annecy de Physique des Particules
E. Finch - Yale University
P. Fisher - Massachusetts Institute of Technology
Y. Galaktionov - Massachusetts Institute of Technology
G. Gallucci - European Organization for Nuclear Research
B. García
R. García-López
H. Gast - RWTH Aachen University
I. Gebauer - Karlsruhe Institute of Technology
M. Gervasi - Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca
A. Ghelfi - Centre National de la Recherche Scientifique
W. Gillard - National Central University
F. Giovacchini - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
P. Goglov - Massachusetts Institute of Technology
J. Gong - Southeast University
C. Goy - Centre National de la Recherche Scientifique
V. Grabski
D. Grandi
M. Graziani
C. Guandalini
I. Guerri
K.H. Guo
M. Habiby
S. Haino
K.C. Han
Z.H. He
M. Heil
J. Hoffman
T.H. Hsieh
Z.C. Huang
C. Huh
M. Incagli
M. Ionica
W.Y. Jang
H. Jinchi
K. Kanishev
G.N. Kim
K.S. Kim
Th. Kirn
R. Kossakowski - Laboratoire d’Annecy de Physique des Particules
O. Kounina
A. Kounine
V. Koutsenko
M.S. Krafczyk
S. Kunz
G. La Vacca
E. Laudi
G. Laurenti
I. Lazzizzera
A. Lebedev
H.T. Lee
S.C. Lee
C. Leluc
H.L. Li
J.Q. Li
Q. Li
T.X. Li
W. Li
Y. Li
Z.H. Li
Z.Y. Li
S. Lim
C.H. Lin
P. Lipari
T. Lippert
D. Liu
H. Liu
T. Lomtadze
M.J. Lu
Y.S. Lu
K. Luebelsmeyer
F. Luo
J.Z. Luo
S.S. Lv
R. Majka
A. Malinin
C. Mañá
J. Marín
T. Martin
Gines Martinez Garcia - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
N. Masi
D. Maurin - Laboratoire de Physique Subatomique et de Cosmologie
A. Menchaca-Rocha
Q. Meng
D.C. Mo
L. Morescalchi
P. Mott
M. Müller
J.Q. Ni
N. Nikonov
F. Nozzoli
P. Nunes
A. Obermeier
A. Oliva
M. Orcinha
F. Palmonari
C. Palomares
M. Paniccia
A. Papi
E. Pedreschi
S. Pensotti
R. Pereira
F. Pilo
A. Piluso
C. Pizzolotto
V. Plyaskin
M. Pohl
V. Poireau - Laboratoire d’Annecy de Physique des Particules
E. Postaci
A. Putze - Laboratoire d’Annecy de Physique des Particules
L. Quadrani
X.M. Qi
P.G. Rancoita
D. Rapin
J.S. Ricol - Laboratoire de Physique Subatomique et de Cosmologie
I. Rodríguez
S. Rosier-Lees - Laboratoire d’Annecy de Physique des Particules
A. Rozhkov
D. Rozza
R. Sagdeev
J. Sandweiss
P. Saouter
C. Sbarra
S. Schael
S.M. Schmidt
D. Schuckardt
A. Schulz von Dratzig
G. Schwering
G. Scolieri
E.S. Seo
B.S. Shan
Y.H. Shan
J.Y. Shi
X.Y. Shi
Y.M. Shi
T. Siedenburg
D. Son
F. Spada
F. Spinella
W. Sun
W.H. Sun
M. Tacconi
C.P. Tang
X.W. Tang
Z.C. Tang
L. Tao - Laboratoire d’Annecy de Physique des Particules
D. Tescaro
Samuel C. C. Ting
S.M. Ting
N. Tomassetti - Laboratoire de Physique Subatomique et de Cosmologie
J. Torsti
C. Türkoğlu
T. Urban
V. Vagelli
E. Valente
C. Vannini
E. Valtonen
S. Vaurynovich
M. Vecchi - Laboratoire d’Annecy de Physique des Particules
M. Velasco
J.P. Vialle - Laboratoire d’Annecy de Physique des Particules
L.Q. Wang
Q.L. Wang
R.S. Wang
X. Wang
Z.X. Wang
Z.L. Weng
K. Whitman
J. Wienkenhöver
H. Wu
X. Xia
M. Xie
S. Xie
R.Q. Xiong
G.M. Xin
N.S. Xu
Wei-Jiang Xu
Q. Yan
J. Yang
M. Yang
Q.H. Ye
H. Yi
Y.J. Yu
Z.Q. Yu
S. Zeissler
J.H. Zhang
M.T. Zhang
X.B. Zhang
Zhen Zhang
Z.M. Zheng
H.L. Zhuang
V. Zhukov
A. Zichichi
N. Zimmermann - Jülich Aachen Research Alliance
P. Zuccon - Massachusetts Institute of Technology
C. Zurbach - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
Détails de publication: Physical Review Letters, Vol.113
Identifiants: 99153314109311
Unité académique: Laboratoire Univers et Particules de Montpellier - LUPM
Langue: English
Type de ressource: Journal article
Champs locaux: in2p3-01066028