Editorial

Recent studies with electrons, positrons and positronium^★

¹ College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide 5001, SA, Australia
² Department of Actuarial Science and Applied Statistics, Faculty of Business and Information Science, UCSI, Kuala Lumpur 56000, Malaysia
³ Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK
⁴ Institute of Physics, University of Belgrade, Pregrevica 118, Belgrade 11080, Serbia
⁵ Department of Physics and Astronomy, Clemson University, Columbia 29634-0978, SC, USA
⁶ Plasma Research Laboratories, The Research School of Physics, Australian National University, Canberra 0200, ACT, Australia
⁷ J. Heyrovský Institute of Physical Chemistry, Dolejškova 2155/3, Prague, Czech Republic

^a e-mail: michael.brungerl@flinders.edu.au

Received: 15 May 2020
Published online: 23 July 2020

Abstract

The latest rendition of the POSMOL conference, being comprised of the 20th International Workshop on Low-energy Positron and Positronium Physics and the 21st International Symposium on Electron–Molecule Collisions and Swarms, was successfully held at the Serbian Academy of Arts and Sciences, Belgrade, from July 18th to 20th 2019. Immediately thereafter, a one day workshop in honour of Professor Zoran Lj. Petrović, to acknowledge his many scientific contributions over a very distinguished career and to celebrate his retirement, was also held. This topical issue showcases contributions that encompass original research papers and topical reviews, on themes consistent with both POSMOL and the Workshop, as well as further contributions from the wider POSMOL community.