Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

AMS Collaboration

doi:10.1103/PhysRevLett.114.171103

Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

AMS Collaboration

电气工程学院

CIEMAT
National Institute for Nuclear Physics
University of Perugia
Karlsruhe Institute of Technology
Laboratório de Instrumentação e Física Experimental de Partículas
Jülich Research Centre
University of Geneva
RWTH Aachen University
Université Grenoble Alpes
CERN
Université Savoie Mont Blanc
University of Trento
University of Turku
ASI
Massachusetts Institute of Technology
University of Pisa
University of Hawai'i at Mānoa
University of Milan - Bicocca
NASA Johnson Space Center
University of Rome La Sapienza
National Research Council of Italy
Ewha Womans University
National Central University

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1026 引用（Scopus）

摘要

A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.

源语言	英语
文章编号	171103
期刊	Physical Review Letters
卷	114
期	17
DOI	https://doi.org/10.1103/PhysRevLett.114.171103
出版状态	已出版 - 30 4月 2015

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10.1103/PhysRevLett.114.171103

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title = "Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station",

abstract = "A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.",

author = "\{AMS Collaboration\} and M. Aguilar and D. Aisa and B. Alpat and A. Alvino and G. Ambrosi and K. Andeen and L. Arruda and N. Attig and P. Azzarello and A. Bachlechner and F. Barao and A. Barrau and L. Barrin and A. Bartoloni and L. Basara and M. Battarbee and R. Battiston and J. Bazo and U. Becker and M. Behlmann and B. Beischer and J. Berdugo and B. Bertucci and G. Bigongiari and V. Bindi and S. Bizzaglia and M. Bizzarri and G. Boella and \{De Boer\}, W. and K. Bollweg and V. Bonnivard and B. Borgia and S. Borsini and Boschini, \{M. J.\} and M. Bourquin and J. Burger and F. Cadoux and Cai, \{X. D.\} and M. Capell and S. Caroff and J. Casaus and V. Cascioli and G. Castellini and I. Cernuda and D. Cerreta and F. Cervelli and Chae, \{M. J.\} and Chang, \{Y. H.\} and Chen, \{A. I.\} and Wang, \{Q. L.\}",

year = "2015",

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doi = "10.1103/PhysRevLett.114.171103",

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T1 - Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

AU - AMS Collaboration

AU - Aguilar, M.

AU - Aisa, D.

AU - Alpat, B.

AU - Alvino, A.

AU - Ambrosi, G.

AU - Andeen, K.

AU - Arruda, L.

AU - Attig, N.

AU - Azzarello, P.

AU - Bachlechner, A.

AU - Barao, F.

AU - Barrau, A.

AU - Barrin, L.

AU - Bartoloni, A.

AU - Basara, L.

AU - Battarbee, M.

AU - Battiston, R.

AU - Bazo, J.

AU - Becker, U.

AU - Behlmann, M.

AU - Beischer, B.

AU - Berdugo, J.

AU - Bertucci, B.

AU - Bigongiari, G.

AU - Bindi, V.

AU - Bizzaglia, S.

AU - Bizzarri, M.

AU - Boella, G.

AU - De Boer, W.

AU - Bollweg, K.

AU - Bonnivard, V.

AU - Borgia, B.

AU - Borsini, S.

AU - Boschini, M. J.

AU - Bourquin, M.

AU - Burger, J.

AU - Cadoux, F.

AU - Cai, X. D.

AU - Capell, M.

AU - Caroff, S.

AU - Casaus, J.

AU - Cascioli, V.

AU - Castellini, G.

AU - Cernuda, I.

AU - Cerreta, D.

AU - Cervelli, F.

AU - Chae, M. J.

AU - Chang, Y. H.

AU - Chen, A. I.

AU - Wang, Q. L.

PY - 2015/4/30

Y1 - 2015/4/30

N2 - A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.

AB - A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.

UR - https://www.scopus.com/pages/publications/85007357918

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DO - 10.1103/PhysRevLett.114.171103

M3 - 文章

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SN - 0031-9007

VL - 114

JO - Physical Review Letters

JF - Physical Review Letters

IS - 17

M1 - 171103

ER -

Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station

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