IS THE STABLE TAU-NEUTRINO REALLY AN ALLOWABLE COLD DARK-MATTER CANDIDATE

Authors
FARGION D KHLOPOV MY KONOPLICH RV MIGNANI R
Citation
D. Fargion et al., IS THE STABLE TAU-NEUTRINO REALLY AN ALLOWABLE COLD DARK-MATTER CANDIDATE, Physics letters. Section B, 375(1-4), 1996, pp. 223-226
Citations number
11
Categorie Soggetti
Physics
Journal title
Physics letters. Section B → ACNP
ISSN journal
03702693
Volume
375
Issue
1-4
Year of publication
1996
Pages
223 - 226
Database
ISI
SICI code
0370-2693(1996)375:1-4<223:ITSTRA>2.0.ZU;2-B
Abstract
Considering the annihilation of massive tau-neutrinos in the Galactic Halo, we show that it is difficult to obtain concordance between the o bserved (directly on indirectly) and predicted fluxes of cosmic electr ons and positrons in the case of a stable tau-neutrino with mass appro ximate to 1-24 MeV and magnetic moment mu similar to 10(-6) mu(B). The se results exclude the possibility Tor such a tau-neutrino being the d ominant cold dark matter particle component.