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On the Galactic Center being the main source of galactic cosmic rays as evidenced by recent cosmic ray and gamma ray observations

Yuan, Qiang; Liu, Cheng; Hu, Hong-Bo +2 more

We revisit the idea that the Galactic Center (GC) is the dominant source of galactic cosmic rays (GCRs), based on a series of new observational evidence. A unified model is proposed to explain the new phenomena of GCRs and γ-rays simultaneously. The GCRs are thought to be accelerated during past activities of the GC. The pair production process of…