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Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 83: Kosmische Strahlung 6

T 83.5: Vortrag

Mittwoch, 29. März 2017, 17:50–18:05, H 3

Large Acceptance Analysis of Electrons and Positrons with AMS-02 — •Fabian Machate — RWTH Aachen University, Deutschland

The Alpha Magnetic Spectrometer (AMS-02) on the International Space Station performs precision measurements of cosmic rays in the GeV to TeV energy range. The published analyses of the electron and positron fluxes rely on the electromagnetic calorimeter (ECAL) for energy measurements and background rejection. The geometrical acceptance for the conventional analyses is restricted by the weight limitations for the calorimeter.

A new analysis procedure for electrons and positrons, which uses information from the Tracker to determine the energy scale and the Transition Radiation Detector (TRD) to reject the background, will be presented. This analysis increases the geometrical acceptance by a factor of ∼ 6 .

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