Wolf-Rayet stars in young massive star clusters as potential sources of Galactic cosmic rays

Maria E Kalyashova, Andrei M Bykov, Sergei M Osipov +2

For most elements, the isotopic ratios seen in cosmic rays (CRs) are similar to those in the solar wind. The most important exception to this is ${}^{22}$Ne/${}^{20}$Ne where the CR va…