Detection of Dark Electric Matter Objects Falling Out from Earth-Crossing Orbits

Details Detection of Dark Electric Matter Objects Falling Out from Earth-Crossing Orbits Detection of Dark Electric Matter Objects Falling Out from Earth-Crossing Orbits

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005idm..conf..408d&link_type=abstract

THE IDENTIFICATION OF DARK MATTER. Proceedings of the Fifth International Workshop. Held 6-10 September 2004 in Edinburgh, UK. E

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If the DM consists of elementary Planckian black holes, their number (and flux) should be fairly low. If, however, they carry an electric charge corresponding to their mass (up to Ze ≈ 10e), such DArk Electric Matter Objects, daemons, should interact strongly with matter. They should be slowed down somewhat when crossing celestial bodies, build up in them, and in multiple systems, in close lying orbits too (e.g., in Earth-crossing orbits). Capture, say, of a Fe nucleus by a negative daemon releases >100 MeV of energy, i.e., cause ejection of ~10 nucleons. The detector consisting of two ZnS(Ag) scintillation screens stacked one upon the other (four modules 0.25 m2 each) detects at CL > 99% events with a time shift corresponding to velocities V ~ 30-5 km/s (in both down- and upward crossings). Such velocities are typical for objects trapped into helio- and geocentric orbits (with the latter crossing the Earth's surface to become finally confined to its interior). Of particular significance (> 3σ) is a group with V ≈ 10-15 km/s, which is characteristic of objects falling from near-Earth almost circular heliocentric orbits. Their flux is >10-9 cm-2s-1 and varies with P = 0.5 year.

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