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

AMS Collaboration; Liqiu Wang

doi:10.1103/PhysRevLett.113.221102

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

AMS Collaboration
, Liqiu Wang

Research output: Journal article publication › Journal article › Academic research › peer-review

351 Citations (Scopus)

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(energyscale).

Original language	English
Article number	221102
Journal	Physical Review Letters
Volume	113
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.113.221102
Publication status	Published - 26 Nov 2014
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

More information

10.1103/PhysRevLett.113.221102

Cite this

@article{fdcc2be2cc714c5eb6009e0cae78d105,

title = "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",

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(energyscale).",

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 F. Cervelli and Chae, \{M. J.\} and Chang, \{Y. H.\} and Chen, \{A. I.\} and H. Chen and Cheng, \{G. M.\} and Liqiu Wang",

note = "Publisher Copyright: {\textcopyright} 2014 American Physical Society.",

year = "2014",

month = nov,

day = "26",

doi = "10.1103/PhysRevLett.113.221102",

language = "English",

volume = "113",

journal = "Physical Review Letters",

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TY - JOUR

T1 - 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

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 - Cervelli, F.

AU - Chae, M. J.

AU - Chang, Y. H.

AU - Chen, A. I.

AU - Chen, H.

AU - Cheng, G. M.

AU - Wang, Liqiu

PY - 2014/11/26

Y1 - 2014/11/26

N2 - 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(energyscale).

AB - 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(energyscale).

UR - https://www.scopus.com/pages/publications/84914707731

U2 - 10.1103/PhysRevLett.113.221102

DO - 10.1103/PhysRevLett.113.221102

M3 - Journal article

AN - SCOPUS:84914707731

SN - 0031-9007

VL - 113

JO - Physical Review Letters

JF - Physical Review Letters

IS - 22

M1 - 221102

ER -

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

Abstract

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