论文标题
GRB 221009a：超高能宇宙射线的潜在来源
GRB 221009A: a potential source of ultra-high-energy cosmic rays
论文作者
论文摘要
最近，几种涵盖整个电磁频谱的设施观察到了一个非常明亮的伽马射线爆发GRB 221009a。检测到具有高达18 TEV的能量的伽马射线以及251 TEV的可能的光子。这种能量事件不会被期望，因为它们会因与外乳外背景光的成对产生相互作用而减弱。但是，这种张力只是显而易见的，并且不要求任何非常规的解释。在这里，我表明这些观察结果可以解释为在宇宙辐射场在去地球过程中与宇宙辐射场相互作用的超高能量宇宙射线（UHECR）的结果，但前提是间阶层磁场相当弱。如果此假设是正确的，它将像UHECR来源一样建立像GRB 221009a这样的爆发。
Recently an extraordinarily bright gamma-ray burst, GRB 221009A, was observed by several facilities covering the whole electromagnetic spectrum. Gamma rays with energies up to 18 TeV were detected, as well as a possible photon with 251 TeV. Such energetic events are not expected because they would be attenuated by pair-production interactions with the extragalactic background light. This tension is, however, only apparent, and does not call for any unconventional explanation. Here I show that these observations can be interpreted as the result of ultra-high-energy cosmic rays (UHECRs) interacting with cosmological radiation fields during their journey to Earth, provided that intergalactic magnetic fields are reasonably weak. If this hypothesis is correct, it would establish bursts like GRB 221009A as UHECR sources.
