16 research outputs found

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

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    A measurement of the cosmic ray positron fraction 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 10^6 is reached by identifying converted bremsstrahlung photons emitted from positrons

    New Antiplatelet Strategies in the Adjunctive Treatment of Acute Myocardial Infarction

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