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Title

Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01

CollaborationWith : Bene, Pierre / Bourquin, Maurice / Cortina Gil, Eduardo / Cristinziani, Markus / Emonet, Pascal Philippe / Extermann, Pierre / Leluc, Catherine / Perrin, Eric / Pohl, Martin / Produit, Nicolas / Rapin, Divic Jean / Ribordy, Mathieu / Richeux, Jean-Pierre / Vite, Davide
Published in Physics Letters. B. 2007, vol. 646, no. 4, p. 145-154
Abstract A measurement of the cosmic ray positron fraction e+/(e++e−)e+/(e++e−) in the energy range of 1–30 GeV is presented. The measurement is based on data taken by the AMS-01 experiment during its 10 day Space Shuttle flight in June 1998. A proton background suppression on the order of 106 is reached by identifying converted bremsstrahlung photons emitted from positrons.
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AMS-01 COLLABORATION. Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01. In: Physics Letters. B, 2007, vol. 646, n° 4, p. 145-154. https://archive-ouverte.unige.ch/unige:41604

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Deposited on : 2014-11-07

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