SEARCH FOR DAEMONS WITH NEMESIS

Author:

BERNABEI R.12,BELLI P.2,CAPPELLA F.34,CERULLI R.5,D'ANGELO A.34,EMILIANI F.12,INCICCHITTI A.4

Affiliation:

1. Dip. di Fisica, Università di Roma "Tor Vergata", I-00133 Rome, Italy

2. INFN, sez. Roma "Tor Vergata", I-00133 Rome, Italy

3. Dip. di Fisica, Università di Roma "La Sapienza", I-00185 Rome, Italy

4. INFN, sez. Roma, I-00185 Rome, Italy

5. Laboratori Nazionali del Gran Sasso, I.N.F.N., Assergi, Italy

Abstract

The DAEMONs (DArk Electric Matter Objects) have been suggested as a possible exotic component in cosmic rays able to contribute to the Dark Matter; they belong to the wide class of the Elementary Black Holes (EBH) deeply discussed in literature. A preliminary possible DAEMONs direct detection, at ≃3σ C.L., was originally suggested by the sea-level St. Petersburg experiment (SPb); a DAEMONs flux: (1.0±0.3) DAEMONs/(days m2 sr) can be derived. Here the results obtained by the sea-level NEMESIS experiment, which has exploited the same detection approach, are presented; they restrict the DAEMONs flux to be less than 0.32 DAEMONs/(days m2 sr) at 90% C.L.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

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