Experimental observation and theoretical calculations of rydberg series in hollow lithium atomic states
Diehl, S. and Cubaynes, D. and Wuilleumier, F. and Bizau, J.-M. and Journel, L. and Kennedy, Eugene T. and Blancard, C. and VoKy, L. and Faucher, P. and Hibbert, A. and Berrah, N. and Morgan, T. and Bozek, J. and Schlachter, A. (1997) Experimental observation and theoretical calculations of rydberg series in hollow lithium atomic states. Physical Review Letters, 79 (7). pp. 1241-1244. ISSN 0031-9007
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Several extended Rydberg series have been experimentally identified in triply excited states of hollow lithium, by use of electron spectrometry and synchrotron radiation at the Advanced Light Source. Energies, partial cross sections, and quantum defects have also been calculated using the R-matrix approximation. Our results show that the two inner electrons stay in a core-excited state of given symmetry while the behavior of the third electron is mostly governed by the nuclear potential screened by the two inner electrons.
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