3 papers
astro-ph.SR2026
Diagnostics for the solar chromosphere using neutral carbon Rydberg lines
R. P. Dufresne, C. M. O. Osborne, G. Del Zanna
Diagnostics for the solar chromosphere are relatively few compared to other parts of the atmosphere. Despite this, hundreds of Rydberg lines emitted by neutrals in this region have…
astro-ph.SR2025
Improving the atomic modelling for solar UV radiative transfer calculations
R. P. Dufresne, G. Del Zanna, C. M. J. Osborne
Radiative transfer calculations have been produced over the years for many lines and continua in the UV wavelength range of solar and cool stellar atmospheres for a variety of cond…
physics.atom-ph2025
UK APAP R-matrix electron-impact excitation cross-sections for modelling laboratory and astrophysical plasma
G. Del Zanna, G. Liang, J. Mao +1
Systematic R-matrix calculations of electron-impact excitation for ions of astrophysical interest have been performed since 2007 for many iso-electronic sequences as part of the UK…