High energy neutrinos from microquasars

被引：0
|
作者：
Bednarek, W. [1 ]
机构：
[1] Univ Lodz, Dept Expt Phys, PL-90236 Lodz, Poland
来源：
Proceedings of the 29th International Cosmic Ray Conference, Vol 5: OG 2.5, 2.6 & 2.7 | 2005年
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We calculate the neutrino event rates from the jet in very compact, massive binary containing stellar mass black hole or a neutron star. A part of the jet kinetic energy, typically similar to 10%, can be transfered to relativistic nuclei. These nuclei lose nucleons as a result of photo-disintegration process in collisions with thermal photons from the accretion disk and the massive star. Due to the head on photon-nucleus collisions most of neutrons released from nuclei move towards the surface of the accretion disk and/or the massive star producing neutrinos in collisions with the matter. Such model predicts up to several neutrino events per km(3) per yr from Cyg X-3, provided that nuclei are accelerated to the Lorentz factors above 10(6) with a power law spectrum with an index close to 2.
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收藏
页码：67 / 70
页数：4
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