BOLOGNA, Italy, Sept. 6 -- The European Physical Journal C, a peer-reviewed journal that says it covers pure and applied physics, posted research articles, including the following topics, in its August 2022 edition:

* Electron mass renormalization and absorption of hard photons

* End-to-end multi-particle reconstruction in high occupancy imaging calorimeters with graph neural networks

* Possible connection between dark matter and supermassive black holes