Electron excited multiply charged argon ions studied by means of an energy resolved electron-ion coincidence techniqueSunil Kumar, Suman Prajapati, Bhupendra Singh, Bhartendu Kumar Singh and Rama ShankerEur. Phys. J. D, 71 3 (2017) 53DOI: https://doi.org/10.1140/epjd/e2016-70583-8