Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe..61d&link_type=abstract
Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:
Astronomy and Astrophysics
Astrophysics
Scientific paper
In a novel scenario, gamma-ray bursts having energy ~1051 ergs are of intergalactic origin and arise from induced collapse of a lone neutron star triggered by a primordial black hole. The black hole on a bound orbit inside the protostellar cloud can be captured (in pregalactic epoch) by a forming star. The energy released from the phase transition of accreted nucleon matter into the quark-gluon plasma is transferred by degenerate neutrinos to the star's surface, where neutrinos annihilate into an electron-positron plasma and produce an inverted temperature layer that preserves a fireball from undue baryonic pollution. Possible observational tests include absence of apparent cosmological time dilation, presence of a distinct population of bursts at z ~15, specific shape of logN-logS dependence with a break near redshift z ~0.7, bimodal distribution of durations, short burst of ~100 GeV photons just before the main event, etc.
Derishev Evgeny V.
Kocharovsky Vitaly V.
Kocharovsky Vl. V.
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