Rainer Johnsen

Contact

115 OEH
rj@pitt.edu
(412) 624-9285
Professor Emeritus

Research

Experimental low–energy atomic collision physics, ion–molecule reactions, electron–ion and ion–ion recombination, atmospheric and astrophysical applications of atomic collisions

Selected Publications

  • 1. Collisional-radiative recombination of Ar+ ions with electrons in ambient helium at temperatures for 50 K to 100 K. Dohnal, P.; Rubovič, Kotric, T., A. Hejduk, M.; Plašil, R. Johnsen, R.  Glosík, J. , Phys. Rev. A 87, 052716 (2013)

    2. Mutual neutralization of atomic rare-gas cations (Ne+, Ar+, Kr+, Xe+) with atomic halide anions (Cl-, Br-, I-)  Nicholas S. Shuman, Thomas Miller, Rainer Johnsen,  Albert A. Viggiano, Journal of Chemical Physics 140, 044304 (2014)

    3. Three-body mechanisms in plasma recombination of H3+ and D3+ ions, Rainer Johnsen, EPJ Web of Conferences 84, 01003 (2015)

    4. Flowing-afterglow Measurements of Electron-Ion Recombination of para-H3+ and ortho-H3+ Ions at Temperatures from 60 to 300 K. Michal Hejduk, Petr Dohnal, Peter Rubovič, Ábel Kálosi, Radek Plašil,  Juraj Glosík and Rainer Johnsen, Journal of Chemical Physics, 143, 044303 (2015)

    5. Rydberg state, metastable, and electron dynamics in the low-pressure argon afterglow   Tsanko V. Tsankov, Rainer Johnsen  and Uwe Czarnetzki .  Plasma Sources Sci. Technol. 24 (2015) 065001

    6. Transport coefficients of He+ ions in Helium, Larry A. Viehland, Rainer    Johnsen, Benjamin R. Gray, and Timothy G. Wright, J. Chem. Phys. 144, 074306 (2016)