Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-01-18
Phys.Lett. B529 (2002) 10-18
Astronomy and Astrophysics
Astrophysics
15 pages, 4 figures
Scientific paper
10.1016/S0370-2693(02)01234-0
It has been recently pointed out that any primary galactic population of Weakly Interacting Massive Particles (WIMP) generates, through collisions with solar matter, a secondary population of ``slow'' WIMPs trapped in the inner solar system. We show that taking into account this ``slow'' solar-system population dramatically enhances the possibility to probe the existence of stable massive neutrinos (of a 4th generation) in underground neutrino experiments. Our work suggests that a reanalysis of existing underground neutrino data should be able to bring extremely tight constraints on the possible existence of a stable massive 4th neutrino.
Belotsky K. M.
Damour Thibault
Khlopov Maxim Yu.
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