Two-photon spectroscopy of neutral barium: Observations of the highly excited even levels and theoretical analysis of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo>=</mml:mo><mml:mn>0</mml:mn><mml:mn/></mml:math>spectrumM Aymar, C. Morillon, M. Dieulin et al.|Physical Review A|1978Cited by 113
Two-Step Optogalvanic Spectroscopy of Neutral Barium: Observation and Interpretation of the Even Levels Above the 6<i>s</i>Ionization Limit Between 5.2 and 7 eVP. Camus, M Aymar, M. Dieulin et al.|Physica Scripta|1983Cited by 64