Abstract
Examples on new researches dealing with various phases of the interaction of radiation (hν = 6 to 60 eV or 2 000 to 200 A) with atoms and molecules will be presented. Areas of interest by one of us (M. O.) concern themselves with some accurately determined absorption cross sections of O2 and CO2 in the near Schumann region, some measurements of absorption cross sections starting from the metastable 1 Ɗg state of O2, and some examples of molecular spectroscopie analysis of CS2 leading to a number of new Rydberg series. New results (by D. L. J.) will also be presented on the fluorescence, characteristic of transitions from excited states of CS+2. These CS+2 states are formed by bombardment with a monochromatic vaccuum U. V. photon beam. The wavelength analysis of these fluorescence results will be shown to contribute additional information on the CS2 molecule. Finally, methods will be presented for measuring in the vacuum U. V. (by G. L. W.) f-values of lines, such as the Lyman series of atomic hydrogen, and absorption (photoionization) cross sections of atomic carbon, using the plasma properties of a wall-stabilized arc.
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