Electron emission in fast heavy ion impact ionization of C60 and Ne: giant plasmon excitation A.H. Kelkar, D. Misra, L. Gulyás and Lokesh C. Tribedi Eur. Phys. J. D, 74 7 (2020) 157 Published online: 23 July 2020 DOI: 10.1140/epjd/e2020-10139-y