Plasma plume diagnostics of low power stationary plasma thruster (SPT-20M8) with collisional radiative modelRajendrasing Uttamsing Rajput, Khaustova Alona and Andriy V. LoyanEur. Phys. J. Appl. Phys., 78 1 (2017) 10802DOI: https://doi.org/10.1051/epjap/2017160348