TY - THES AU - Millinger, Mark TI - The discrimination between cosmic positrons and protons with the Transition Radiation Detector of the AMS experiment on the International Space Station CY - Aachen PB - Publikationsserver der RWTH Aachen University M1 - RWTH-CONV-143395 SP - XIII, 186 S. : Ill., graph. Darst. PY - 2012 N1 - Zsfassung in dt. und engl. Sprache N1 - Aachen, Techn. Hochsch., Diss., 2012 AB - The aim of this thesis is the development and validation of a particle identification method with the Transition Radiation Detector (TRD) of the Alpha Magnetic Spectrometer AMS-02 to allow for the determination of the positron fraction in the cosmic lepton flux. Independent measurements indicate that a significant amount of about 23 KW - Elementarteilchenphysik (SWD) KW - Dunkle Materie (SWD) KW - Antimaterie (SWD) KW - Kosmische Strahlung (SWD) KW - AMS <Teilchendetektor> (SWD) KW - ISS <Raumfahrt> (SWD) LB - PUB:(DE-HGF)11 UR - https://publications.rwth-aachen.de/record/197540 ER -