Escaping the accelerator: implications for an energy dependent composition?

机译：逃避加速器：对依赖能量的成分的影响？

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The escape of charged particles accelerated by diffusive shock acceleration from supernova remnants is amore complex process than generally appreciated. The high- energy end of the spectrum can exhibit spectral breaks evenwith no formal escape as a result of geometrical dilution and changing time-scales. The bulk of the cosmic ray particlesat lower energies must be produced and released in the late stages of the remnant's evolution whereas the high energyparticles are produced and escape early on; this may explain recent observations of slight compositional variations withenergy.

机译：由超新星残余物通过扩散冲击加速而加速的带电粒子逸出是一个比通常认为的更为复杂的过程。光谱的高能端即使由于几何稀释和时间尺度变化而没有正式逸出，也可能会出现光谱断裂。较低能量的大部分宇宙射线粒子必须在残余物演化的后期产生并释放，而高能粒子则在早期产生并逸出。这可能解释了最近观察到的随能量的微小成分变化。

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来源
《International Cosmic Ray Conference》|2011年|1-3|共3页
会议地点 Beijing(CN)
作者
LUKE O'C.DRURY;
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作者单位

Dublin Institute for Advanced Studies School of Cosmic Physics 31 Fitzwilliam Place Dublin 2 Ireland;

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会议组织
原文格式 PDF
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关键词
Shock acceleration; supernova remnants; chemical composition;

机译：冲击加速；超新星残余化学成分;

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Escaping the accelerator: implications for an energy dependent composition?

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