Journal de Physique II

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DOI: 10.1051/jp2:1992163
J. Phys. II France 2 (1992) 749-755

Measurement of the ratio of the squares of the reduced magnetic dipole matrix elements for the 876 nm and 648 nm transitions in atomic bismuth

M. J. D. Macpherson, R. B. Warrington, D. N. Stacey and K. P. Zetie

Clarendon Laboratory, Parks Road, Oxford, OX1 3PU, G.B.

(Received 19 December 1991, accepted 8 January 1992)

Abstract
Using Faraday spectroscopy, we have measured the ratio $\kappa$ of the squares of the reduced magnetic dipole matrix elements for the 876 nm ( ⁴S _3/2-²D _3/2) and 648 nm ( ⁴S _3/2-²D _5/2) transitions in the 6p ³ ground configuration of atomic bismuth. We find $\kappa = 8.75(25)$ , in good agreement with theory.