Journal articles
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
M. Aguilar
A. Barrau
1
V. Bonnivard
1
L. Derome
1
A. Ghelfi
1
D. Maurin
1
J.S. Ricol
1
N. Tomassetti
1
L. Basara
2
S. Caroff
2
G. Coignet
2
J. Feng
2
A. Fiasson
2
C. Goy
2
R. Kossakowski
2
V. Poireau
2
A. Putze
2
S. Rosier-Lees
2
L. Tao
2
M. Vecchi
2
J.P. Vialle
2
A. Fiasson 2
Author IdHAL : armand-fiasson
C. Goy 2
Author IdHAL : goycorinne ORCID : https://orcid.org/0000-0002-1297-8925
R. Kossakowski 2
Author IdHAL : roman-kossakowski ORCID : https://orcid.org/0000-0003-3842-8531
V. Poireau 2
Author
J.P. Vialle 2
Author
1
LPSC - Laboratoire de Physique Subatomique et de Cosmologie (53 avenue des Martyrs - 38026 Grenoble Cedex - France)
- UJF - Université Joseph Fourier - Grenoble 1 (BP 53 - 38041 Grenoble Cedex 9 - France)
- Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology (46 avenue Félix Viallet 38031 Grenoble Cedex 1 - France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- Institut Polytechnique de Grenoble - Grenoble Institute of Technology (France)
- CNRS - Centre National de la Recherche Scientifique : UMR5821 (France)
2
LAPP - Laboratoire d'Annecy de Physique des Particules (9 Chemin de Bellevue - BP 110 - 74941 Annecy-le-Vieux CEDEX - France - France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- USMB [Université de Savoie] [Université de Chambéry] - Université Savoie Mont Blanc (27, rue Marcoz - 73000 Chambéry - France)
- CNRS - Centre National de la Recherche Scientifique : UMR5814 (France)
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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Journal articles
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http://hal.in2p3.fr/in2p3-01088104
Contributor : Emmanuelle Vernay <>
Submitted on : Thursday, November 27, 2014 - 1:49:02 PM
Last modification on : Tuesday, November 24, 2020 - 5:18:02 PM
Contributor : Emmanuelle Vernay <>
Submitted on : Thursday, November 27, 2014 - 1:49:02 PM
Last modification on : Tuesday, November 24, 2020 - 5:18:02 PM
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- HAL Id : in2p3-01088104, version 1
- DOI : 10.1103/PhysRevLett.113.221102
Citation
M. Aguilar, A. Barrau, V. Bonnivard, L. Derome, A. Ghelfi, et al.. 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. Physical Review Letters, American Physical Society, 2014, 113, pp.221102. ⟨10.1103/PhysRevLett.113.221102⟩. ⟨in2p3-01088104⟩
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