Abstract
Experimental branching fractions of 56 Ni I lines in region of 202.659–663.974 nm are reported by the emission spectrum. A hollow cathode discharge lamp was used as a light source to produce free atoms and a grating spectrometer recorded the intensity–calibrated spectra. Combining branching fraction from the record spectra data with published radiative lifetimes measured by time–resolved laser–induced fluorescence (TR–LIF) technique, absolute transition probabilities and oscillator strengths were determined. Generally good agreement is found when comparing with previously reported oscillator strengths of Ni I.
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