Mathematics – Logic
Scientific paper
Jul 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998stin...9907415d&link_type=abstract
Technical Report, PB99-122301; IHES/P/98/55
Mathematics
Logic
Dark Matter, Solar System Evolution, Perturbation Theory, Nuclear Fusion, Cosmology, Perturbation, Nucleons, Supersymmetry, Particle Theory, Astronomical Models, Solar Orbits, Jupiter (Planet)
Scientific paper
The authors describe in detail how perturbations due to the planets can cause a subpopulation of WIMPs captured by scattering in surface layers of the Sun to evolve to have orbits which no longer intersect the Sun. The authors argue that such WIMPs, if their orbit has a semi-major axis less than 1/2 of Jupiter's, can persist in the solar system for cosmological timescales. This leads to a new, previously unanticipated WIMP population intersecting the Earth's orbit. The WIMP-nucleon cross sections required for this population to be significant are precisely those in the range predicted for SUSY dark matter, lying near the present limits obtained by direct underground dark matter searches using cyrogenic detectors. Thus, if a WIMP signal is observed in the next generation of detectors, a potentially measurable signal due to this new population must exist.
Damour Thibault
Krauss Lawrence M.
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