POSMOL 2023, held in Notre Dame University, South Bend Indiana, USA combined the XXI International Workshop on Low-Energy Positron and Positronium Physics and the XXIII International Symposium on Electron-Molecule Collisions and Swarms.
Dermot gave the EPJD sponsored Plenary talk on his group’s work on “Many-body theory of positron-molecule interactions”.
![](http://web.am.qub.ac.uk/wp/antimatter/files/2023/08/EPJ25-1.jpg)