Astronomy and Astrophysics – Astrophysics
Scientific paper
2001-05-26
Astronomy and Astrophysics
Astrophysics
to be submitted to Gamma2001 Proceedings, Baltimore, April 4-6, 2001
Scientific paper
10.1063/1.1419405
The energetics of the long duration GRB phenomenum is compared with the BZ mechanism. A rough estimate of the energy extracted from a rotating Black Hole with the Blandford-Znajek mechanism is evaluated with a very simple assumption: an inelastic collision between the rotating BH and an accreting torus. The GRB energetics requires an high magnetic field that breaks down the vacuum around the BH and gives origin to a e$^\pm$ fireball.
Barbiellini Guido
Longo Francesco
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