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Non-thermal X-rays from colliding wind shock acceleration in the massive binary Eta Carinae

Hamaguchi, Kenji; Corcoran, Michael F.; Russell, Christopher M. P. +9 more

Cosmic-ray acceleration has been a long-standing mystery^1,2 and, despite more than a century of study, we still do not have a complete census of acceleration mechanisms. The collision of strong stellar winds in massive binary systems creates powerful shocks that have been expected to produce high-energy cosmic rays through Fermi acceler…