Abstract
ABSTRACT The branching fraction (BF) determinations were performed for 87 La i lines from 290.963 to 1078.646 nm based on the emission spectra of hollow cathode lamps recorded using the 1.0 m Fourier transform spectrometer (FTS) and are available from the digital library of National Solar Observatory on Kitt Peak, USA (http://diglib.nso.edu/). Furthermore, by combining the determined BFs with reliable lifetime values reported in literature, the transition probabilities and absolute oscillator strengths for these lines were derived.
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