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Publikationsdatum:
2019-06-28
Beschreibung:
A review of cosmic ray antiproton observations is presented. The data from two experiments detecting fluxes above a few GeV, and an observation of an antiproton flux below 1 GeV are analyzed. The explanation for antiprotons of high energy with models, such as the modified closed galaxy of Peters and Westergaard (1977), which center around mechanisms that enhance production and/or storage of antiprotons relative to heavier nuclei is studied. Theories for low eenrgy antiprotons based on an energy changing process after production or the existence of a primary source are examined. The observations of positrons and helium-3 fluxes that reveal excesses similar to the antiproton excess are described. Future experiments to study antiprotons at 1-5 GeV and planned observations of antiprotons in the 1-15 GeV range using a magnet spectrometer system are discussed.
Schlagwort(e):
SPACE RADIATION
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