Measurement of several transition probabilities in singly-ionized krypton

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Atomic Data, Line: Profile, Plasmas, Methods: Laboratory

Scientific paper

This work reports a collection of 35 transition probabilities of lines in the spectral region 450-580 nm, all of them measured in an emission experiment. Relative intensity measurements have been made in a pulsed discharge lamp and the absolute Aki values have been obtained by using reference data taken from the literature. The electron density has been determined by two-wavelength interferometry and ranges from 0.1 to 0.8 x 1023 m-3 in the plasma. Temperature (14 000-24 000 K) has been simultaneously determined from three different methods, including the Boltzmann-plot of KrII lines and the KrII/KrI intensities ratios. The final results have been compared with most of the previous existing data.

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