A discovery of a low-energy excess in cosmic-ray iron: an evidence of the past supernova activity in the Local Bubble

M. J. Boschini, S. Della Torre, M. Gervasi +11

Since its launch, the Alpha Magnetic Spectrometer - 02 (AMS-02) has delivered outstanding quality measurements of the spectra of cosmic-ray (CR) species, $\bar{p}$, $e^{\pm }$, and…