The fourth issue of the Iraqi Journal of Physics for 2022, Volume (20), has been issued within the specified dates for the issuance program of the journal. The journal adopts a completely electronic OJS system for receiving and evaluating research papers. It employs the program system Turnitin to prevent plagiarism. The journal has DOI: 10.30723.

This issue contains eight research papers in: meteorology, nuclear physics, plasma physics, and materials physics; which have met the conditions of publication and the evaluation of peer-reviewers.

It is worth mentioning that the Iraqi Journal of Physics is a scientific specialized peer-reviewed journal issued by the College of Science. University of Baghdad. It is concerned with publishing scientific papers of physics in the English language. It is indexed in many scientific indexes.

To view the published papers in this issue (4), please visit the link: