高红移的星族III星能产生GRB吗？
Can Population III Stars at High Redshifts produce GRB's?
摘要：
伽马射线暴是宇宙中最明亮的物理现象，由持续数秒至数小时的伽玛射线闪光组成。例如，人们曾试图观测到来自星族III恒星的伽马射线暴，这些恒星的质量约为500太阳质量，具有高红移。在这里，我们认为，这种高质量的恒星的坍缩不会导致伽马射线暴，因为它们的核心坍缩温度不足以产生伽玛射线，导致伽玛暴。
英文摘要：
Gamma ray bursts are the most luminous physical phenomena in the universe, consisting of flashes of gamma rays that last from seconds to hours. There have been attempts to observe gamma ray bursts, for example, from population III stars of about 500 solar mass at high redshifts. Here we argue that collapse of such high mass stars does not lead to gamma ray burst as their core collapse temperatures are not sufficient to produce gamma rays, leading to GRBs.
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