Recent advances in vacuum ultraviolet photochemistry of astrochemically important small molecules

https://phys.org/news/2023-07-advances-vacuum-ultraviolet-photochemistry-astrochemically.html 

"triatomic molecules (H2O, H2S, CO2, OCS and CS2) enabled by vacuum ultraviolet free electron laser central atom elimination... short photolysis wavelengths... hitherto unrecognized fragmentation pathways... wavelength dependent H atom and S atom spectra obtained following photodissociation H2S molecules, 3D contour plots translational energy distributions H + SH and S+H2 products photodissociation H2S via different rotational transitions"