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首页> 外文期刊>The Astrophysical journal >Supermassive objects as Gamma-ray Bursters
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Supermassive objects as Gamma-ray Bursters

机译:超大质量物体,如伽马射线爆裂物

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摘要

We propose that the gravitational collapse of supermassive objects (M >≈10~4 M_⊙), either as relativistic star clusters or as single supermassive stars(with may result from stellar mergers is dense star clusters), could be a cosmological source of γ-ray bursts. These events could provide the seeds of the supermassive black holes observed at the center of many galaxies. Collapsing supermassive objects will release a fraction of their huge gravitational binding energy as thermal neutrino pairs. We show that the accompanying neutrino/antineutrino annihilation-induced heating could drive electron/positron "fireball" formation, relativistic expansion, and asso- ciated γ-ray.
机译:我们认为,相对论性星团或单个超大质量星(由于恒星合并可能是致密星团)引起的超大质量物体的引力坍塌(M>≈10〜4M_⊙)可能是γ的宇宙学来源射线爆裂。这些事件可以提供在许多星系中心观测到的超大质量黑洞的种子。崩溃的超大质量物体将以热中微子对的形式释放其巨大的重力结合能的一小部分。我们表明伴随的中微子/反中微子an灭引起的加热可以驱动电子/正电子“火球”的形成,相对论性膨胀以及相关的γ射线。

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