ON NONTHERMAL PARTICLE GENERATION IN SUPERBUBBLES

被引:105
作者
BYKOV, AM
FLEISHMAN, GD
机构
[1] A.F. Loffe Institute of Physics and Technology, Academy of Sciences, St Petersburg
关键词
D O I
10.1093/mnras/255.2.269
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Generation of non-thermal particles in an OB association is studied. A model of cosmic-ray acceleration is proposed where the interaction of charged particles with an ensemble of shocks and large-scale plasma motions inside the bubble is included. The cosmic-ray acceleration appears to be very efficient especially after explosions of a few supernovae in the association. The cosmic-ray acceleration time is of the order of 10(5) yr. Some tens of per cent of the bubble kinetic energy can be converted to the cosmic-ray acceleration.
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页码:269 / 275
页数:7
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