BOLOGNA, Italy, Dec. 4 -- The European Physical Journal C, a peer-reviewed journal that says it covers pure and applied physics, published research articles on the following topics in its December 2021 edition:

* Emergent universe revisited through the CSL theory

* Enlightening the CSL model landscape in inflation

* Generalized compact star models with conformal symmetry

* Measurement of the mean electronic excitation energy of liquid xenon