Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"Antimaterie"”.
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Search for promptly decaying heavy neutral leptons in proton-proton collision events with trilepton final states using the CMS detector
… zo laag zijn of waarom er meer materie dan antimaterie in het universumis. Steriele neutrino’s met massa’s in het bereik van 10 GeV en 1.5 TeV worden in rekening genomen in modellen die slechts ´e ´en extra zulk ne
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The Influence of Matter-Antimatter Domains on Big Bang Nucleosynthesis
… eventuell im fruehen Universum vorhandener Antimaterieregionen auf die Haeufigkeiten der leichten Elemente beschaeftigt. Praktisch das gesamte Deuterium und der ueberwiegende Teil der Helium-4 Kerne, die wir heute im Universum beobachten, wurden in einem fuehen Evolutionsstadium des Kosmos — …
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Search for cosmic-ray antiparticles with bolloon-borne and space-borne experiments
This thesis discusses two different approaches for the measurement of cosmic-ray antiparticles in the GeV to TeV energy range. The first part studies the prospects of antiparticle flux measurements with the proposed PEBS detector. The project allots long duration balloon flights at one of Earth's …