Experimental determination of the dipole moments of the X(2Σ+) and B(2Σ+) states of the CN molecule

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Abstract
From observation of the electronic emission spectrum in high electric fields, the dipole moments of the X(2Σ+) and B(2Σ+) states of the CN molecule have been determined to be 1.45 ± 0.08 and 1.15 ± 0.08 debye, respectively. The relative signs of the dipole moments in these two states are shown to be opposite.