Eine untere Massenschranke fuer Neutralinos aus Supernova-Kuehlung

Details Eine untere Massenschranke fuer Neutralinos aus Supernova-Kuehlung Eine untere Massenschranke fuer Neutralinos aus Supernova-Kuehlung

2004-07-29

arxiv.org/abs/hep-ph/0407341v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

66 pages, 10 figures

Scientific paper

In my diploma thesis I calculate a lower mass bound of the lightest nutralino assuming an additional supernova cooling mechanism. I consider elektron-positron annihilation and nucleon-nucleon bremsstrahlung as cooling processes. These cooling processes must not be too effective because they would destroy the neutrino signal (SN 1987a). From this requirement I derive an upper bound for the emitted energy and as a consequence I get a lower bound for the mass of the lightest neutralino.

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