Spectral Line Shapes in Astrophysical and Laboratory Plasma 2023

Dear Colleagues,

We are pleased to announce that a series of works presented at the 14th Serbian Conference on Spectral Line Shapes in Astrophysics (14th SCSLSA, (http://www.scslsa.matf.bg.ac.rs/ or http://servo.aob.rs/scslsa13/index.html)) has been selected for this Special Issue of Physics. The conference is to be held in Bajina Basta (Serbia) from June 19 to June 23, 2023. This will not be traditional conference proceedings but rather regular research papers meeting the standards of publication in the journal Physics, so the title and abstract should be substantially different from that published in the book of abstract which will be published prior to the conference. The invited contributions will have their APC waived if published. The Special Issue will be focused on the spectral line investigations in laboratory and astrophysical plasma.

Spectral lines, their widths, and, more generally, their shapes are powerful diagnostic tools for probing emitting/absorbing gas in different astrophysical objects, from the solar system to the most distant objects in the universe—quasars. The emission/absorption lines of astrophysical objects are produced over a wide range of distances from an observer and under a wide range of physical and kinematic conditions. Therefore, in astrophysical objects lines from the X-ray region (e.g., Fe α) to the radio region (e.g., radio recombination lines) wavelength range have been studied. In parallel with this, experimental and theoretical investigations of laboratory plasmas are needed for spectroscopic astrophysical research; in particular, the same atomic data are needed for line-shape calculations.

The aim of this Special Issue is to reflect the most recent trends in the fields of spectral line shapes investigation in different fields, from atomic physics (providing line emission parameters) to the spectral line profile application for investigation of plasma conditions around the supermassive black holes.

Prof. Dr. Luka Č. Popović
Dr. Nataša Bon
Dr. Edi Bon
Dr. Sylvie Sahal-Bréchot
Guest Editors

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• astrophysiсs
• atomic physics
• spectroscopy
• spectral lines
• databases for spectral data
• laboratory plasma
• solar physics
• stellar physics
• galaxies: active galactic nuclei
• galaxies: interstellar matter