Measurement of relative oscillator strengths for Cr I lines – I. Measures for transitions from levels a7S3 (0.00 eV), a5S2 (0.94 eV) and a5D0−4 (0.96−1.03 eV)

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Abstract
The relative oscillator strengths of 49 lines of Cr I with excitation energies of up to 1.03 volts have been measured using the Oxford spectroscopic furnace to an accuracy of better than 1 per cent. Where a direct relative measurement could not be made because the ratio of oscillator strengths is too large, the value obtained by Huber & Sandeman using the hook method has been adopted. The relative measures have been placed on an absolute scale using lifetime data. Comparison is made with the data of other authors.

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