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RYDBREG STATES OF ${Li_{2}}$ AND MOLECULAR CONSTANTS OF ${Li_{2}}^{+}$

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/29187

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 Title: RYDBREG STATES OF ${Li_{2}}$ AND MOLECULAR CONSTANTS OF ${Li_{2}}^{+}$ Creators: Bernheim, R. A.; Gold, L. P.; Tipton, T. Issue Date: 1982 Abstract: Thirty-one new excited gerade states of $^{7}Li_{2}$ have been characterized by means of pulsed optical-optical double resonance spectroscopy. Twenty-nine of these have been identified as the lowest members of three Rydberg series: $3-15d\pi^{1}\Pi_{g}, 3-10d\sigma^{1}{\Sigma^{+}}_{g}$, and $3-10s\sigma^{1}{\Sigma_{g}}^{+}$, A fit of a Rydberg formula to the $^{1}{\Pi^{-}}_{g}$ term energies yield a value of $41496\pm 4 cm^{-1}$ for the ionization potential of $Li_{2}$. Extrapolations of the vibrational frequencies, rotational constants, and dissociation energies of these states give estimates for the corresponding quantities for the ground state of ${Li_{2}}^{+}$ which are in good agreement with those obtained by ab initio $calculations^{1}$. URI: http://hdl.handle.net/1811/29187 Other Identifiers: 1982-MG-5