Efficiency of Electron-Positron Pair Productionby Neutrino Flux from Accretion Disk of a Kerr Black Hole

Details Efficiency of Electron-Positron Pair Productionby Neutrino Flux from Accretion Disk of a Kerr Black Hole Efficiency of Electron-Positron Pair Productionby Neutrino Flux from Accretion Disk of a Kerr Black Hole

2002-01-21

arxiv.org/abs/astro-ph/0201346v1

JETP Lett. 74 (2001) 298-301; Pisma Zh.Eksp.Teor.Fiz. 74 (2001) 330-334

Astronomy and Astrophysics

Astrophysics

8 pages, 1 figure

Scientific paper

10.1134/1.1421403

Dominant processes of neutrino production and neutrino-induced \ep-pair production are examined in the model of a disk hyper-accreting onto a Kerr black hole. The efficiency of plasma production by a neutrino flux from the disk, obtained for the both cases of presence and absence of a magnetic field, is found to be no more than several tenths of percent and, therefore, not enough for the origin of cosmological gamma-ray bursts.

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